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The Actiwatch User Manual

1. Dat 22 Apr 1907 Day Tue Bed tne Getap tine Tine la bed Skepstart Skepend Ascamedskep Actuals kep tme Actuals Rep 0 Achal wate tme Actialwabe 0 Skepemekicy Skep le toy Skepbort Wate bort Mean skep borttine Mean wate bowttine Inmobik mhs Inmobik tme Ca Mowleg mins Mouhg tne No of mobile phases Mean kigti Inmobiltty Ore Mire Inmobiity Ore Mi mmobllty Total actui soore Mean actly score Mean soore In actis pe riode Fragme tition Index Aug wake moveme at 23 Apr 1967 g 1 00 13 14 oma xeo 839 7150 16 1 da 50 10 D4 9125 19 55 p97 25 Apr 1967 00 15 19 mvo w0 0 700 uo u 98 4 9 n na 123 10 3 1 368 Apr 1987 Sat 00 1004 00m 4130 829 850 2 Apr 1967 22 Apr 1997 Mea 08 00 23 Apr 1997 ied Thu 03 00 24 Apr 1997 Thora 08 00 25 Apr 1997 PeR 08 00 26 Apr 1997 S Sun 08 00 27 Apr 1997 Sun Mon 08 00 28 Apr 1997 Mon Tue 08 00 Ap 1987 Mean Values Actiwatch User Manual V7 2 Page 40 5 4 1 2 Copy It is possible to copy all or selected days of summary data to the clipboard for use in a third party program such as Excel 5 5 Sensitivity The Actiwatch system can be set with one of 4 sensitivity values These are Low Medium e High Auto The default value is Medium and this is the value which was used in the validation study by Kushida et al Full details on
2. Actiwatch User Manual V7 2 Page 50 8 Light Analysis Menu There are 2 Actiwatch models which allow ambient light levels to be recorded along with activity the Actiwatch Light AWL and the ActiLight For full details of the Actiwatch product range please see section 1 3 of the Actiwatch Guide to Getting Started Full details on the ActiLight are given in section 9 Clicking on Light analysis please note that the light analysis option is only available when a light file is loaded brings up the following screen Light Analysis DER Eile Summary Copy Cal Identity brian Age 57 Sex M Start date 22 April 1997 Tue Interval 1 00 Start Time 09 38 Tue 22 Apr 1997 Wed 23 Apr 1997 El 1 Analysis start 4 i wy 4 gt Analysis end Tue 22 Apr 1997 Wed 23 Apr 1997 Expanded data window Average 200 256 495 Maximum 1845 8777 8777 Time above reference 00 00 00 57 00 57 8 1 Analysing a light file In order to analyse a light file it is necessary to select a period of time for analysis This is done by either left clicking at the required time on the top third of the screen to mark the start of the analysis period and right clicking to mark the end or by using the analysis start and end scroll bars shown below the expanded display screen When the required time period has been selected the analysis will be automatically performed and the results shown in the bottom third of the screen The followin
3. Copy and Expanded stats copies the information from the expanded display window to the clipboard for use in a third party program such as Excel An example of copied data is shown below Expanded Statistics for 22 April 1997 to 23 April 1997 Start 02 10 End 18 15 Average 377 Max 8777 Time above Ref 00 57 8 5 Cal Clicking on Cal allows the user to recalibrate the light data Selecting Cal brings up the following message Tf you recalibate light data then you should re save the data All AWL and ActiLight units are calibrated before they leave CamNtech however if there is reason to believe that the AWL or ActiLight unit is not recording appropriate light levels the calibration can be reset using the following procedure e Place the Actiwatch or sensor under a constant light source of known intensity in Lux for 1 hour or longer e Download the data e Set the threshold bar to the known level of the light source e Select Cal from the Light Analysis menu e Adjust the Calibration scroll bar so that the reference line just touches the top of the display e Place the Actiwatch on the Reader as instructed and store the new calibration factor All light level data recorded by the AWL and AWL Plus units are subsequently displayed and plotted in Lux NB This operation should only be undertaken if the user is confident with the procedure involved
4. expanded display window Alternatively right clicking on the main display shown in blue and yellow above will also set the analysis end Actiwatch User Manual V7 2 Page 54 9 The ActiLight The ActiLight is designed to be used in conjunction with the Actiwatch AW7 AW4 and Mini Full instructions on the use of the Actiwatch can be found in previous sections 9 1 1 ActiLight overview The ActiLight is an ultra light weight device which detects and logs light intensity The data is stored in the watch and can be downloaded to a PC for analysis As such it is a convenient tool for the ambulatory recording of light levels for clinical use and for research purposes The ActiLight can be used in conjunction with the Actiwatch which records physical activity The light and data files can be combined using specialised software so that the light data is superimposed on activity plots which quantify the intensity and duration of physical activity 9 1 2 ActiLight Technical Specification Diameter 24 mm Depth 7mm Weight 7 5 grams Range 0 5 40 000 Lux Memory 128 KB Recording Time 45 days Sampling Rate 3 seconds Battery life 500 days Battery type CR 1220 Waterproof Yes 2Bar Infra Red Filter Yes CE Marked in UK Yes Warranty 2 years PC Analysis Win 2000 XP Resolution Light Range Resolution Lux Lux 0 200 0 1 200 2000 2 2000 8000 4 8000 20 000 50 20 000 40 000 200 Actiwa
5. gt Assumed sleep 07 40 Actual sleep time Actual awake time Mo of sleep bouts Mean length of sleep bouts Sleep efficiency Number of wake bouts Mean length of wake bouts Sleep latency Ho of minutes immobile Mo of minutes moving Of Ho of immobile phases Mean length of immobility Immobility phases of 1 min Immobility of 1 min Fragmentation index Total activity score Mean activity score Mean score in active periods Ave Wake movement In order to analyse a sleep file it is necessary to perform the following actions e Ensure that the correct data file is currently loaded file details are shown above the plot area If another data file is to be analysed use the Load File option from the File menu e It is important to remember that only data collected with epoch lengths logging intervals of 15 seconds 0 25 minute 30 seconds 0 5 minute 1 or 2 minutes can be analysed by this program For accuracy it is recommended that epoch lengths of 1 minute or shorter are used e With the required data file loaded select the day for which the analysis is to be performed relative to the start day of the study data by using the Day slider control The maximum value of the plotted data may be adjusted by using the Scale control minimum value is 50 maximum is equal to the maximum value of the data Actiwatch User Manual V7 2 Page 36 The upper plot provides an
6. 1 32 sec 12 20 1 32 sec 13 21 1 32 sec 2 22 1 32 sec 29 23 1 32 sec 36 24 1 32 sec 50 25 1 32 sec 15 26 1 32 sec 6 27 1 32 sec 11 28 1 32 sec 18 29 1 32 sec 19 30 1 32 sec 42 31 1 32 sec 8 32 1 32 sec 66 The captured count is 75 11 2 2 Epoch An epoch is a period defined by the user for the purpose of logging and therefore viewing the captured activity data The data logged is the sum of the captured counts from the individual 1 second intervals making up the epoch Actiwatch User Manual V7 2 Page 62 Example for a 2 sec epoch Period Highest count 1 sec 5 1 sec 10 Total Count 15 11 2 3 Activity Score This is the same as the total count for an epoch In the example above the Activity Score is 15 for one epoch If there is no activity for two seconds the score for the epoch will be zero The scores are plotted on an Actogram epoch by epoch The Actogram below has 16 epochs however only 12 epochs have activity in them PTA 11 2 4 Total Activity Score This represents the total count for all the epochs between sleep start and sleep end 11 2 5 Mean Activity Score This is the average count per epoch If the Total Activity Score in the example above is 35 then the Mean Activity Score will be 35 16 11 2 6 Mean Activity Score in Active Periods This is the average count per active epoch In the example above it is 35 12 11 3 Sleep scoring algorithm Determination of sleep and wakefulness by t
7. amp van someren nih knaw nl for methodological questions This is the reference to the original paper published by Dr Eus Van Someren and contains Dr Van Someren s email address for any methodological queries about this part of the software 4 6 Markers Clicking on Markers brings up the following screen Actiwatch User Manual V7 2 Page 34 Markers File Copy Identity Patient 9 Age 46 Sex M Start date 01 May 2003 Thu Interval 1 00 Start Time 06 00 Date Time 02 May 2003 16 09 00 03 May 2003 00 06 00 03 May 2003 17 29 00 04 May 2003 02 38 00 04 May 2003 18 34 00 05 May 2003 05 12 00 05 May 2003 20 48 00 06 May 2003 03 43 00 D7 May 2003 00 32 00 D7 May 2003 07 18 00 07 May 2003 23 10 00 08 May 2003 08 18 00 08 May 2003 22 51 00 09 May 2003 08 16 00 10 May 2003 01 40 00 10 May 2003 10 47 00 11 May 2003 00 08 00 11 May 2003 10 29 00 12 May 2003 04 08 00 12 May 2003 11 59 00 13 May 2003 03 41 00 13 May 2003 12 42 00 14 May 2003 12 09 00 15 May 2003 03 34 00 15 May 2003 12 32 00 16 May 2003 06 21 00 16 May 2003 13 21 00 This shows a list of all the times when the marker button has been pressed by the user For further information on the Actiwatch maker button please see section 4 2 of the Actiwatch Guide to Getting Started 4 7 Actogram on screen controls Light on used in the calculation of light and dark average activity average graph Light off used in the calculat
8. e Average activity value per epoch shown on the right of each day e Peak activity for each day shown in the second column to the right of each day e Activity at a given time each day can also be displayed by clicking on the required time These are the figures shown in green on the far right hand side of the Actogram screen Actiwatch User Manual V7 2 Page 23 e It is also possible to mark a specific part of the single day plot for more detailed analysis To do this click on the required start time and select Mark start Then click on the required end point and select Mark end This will then bring up the following screen Actogram E El Eile Display Options Graphs Markers Light On Identity Patient 9 3 Cursor gt Start date 01 May 2003 Thu 20 17 00 B MB iel Start Time 06 00 Light Off 48 00 A 1 Activity Scale E a de NA IR A A bib a End 08 May 03 20 17 Zero bated O A llamo a oli ca La ay 4 day 14 47 Total 1143751 Average 172 1 Peak 1793 0 RMS 280 96 Start Time 00 00 a E Redraw ZZEE This screen shows the following information e Start and end times of the analysis period e Total time in the analysis period Total activity in counts during the analysis period Actiwatch User Manual V7 2 Page 24 e Average activity per epoch during the analysis period e Peak activity in any epoch during the analysis period e RMS
9. e Click on Replace to replace the value e Edited files are saved as filename edited awd to differentiate them from the original files The Actogram for the edited file can now be displayed Actiwatch User Manual V7 2 Page 12 2 5 Properties Selecting File and then Properties brings up the following screen Actiwatch properties Properties Default scale 5000 4 IV Autoscale Default Days 40 H M Auto redraw Default Light stat 6 00 24 Sinale dev Default Dark start 19 00 ren Use Default setup Save amp Exit 2 5 1 Actogram tab The Actogram tab allows the user to alter the following parameters 2 5 1 1 Default scale This is the default scale used when an Actogram is displayed The software default value is 5000 which is the maximum allowable value 2 5 1 2 Default Days This is the number of days shown when an Actogram is displayed The software default is 40 days and the maximum allowable value is 60 2 5 1 3 Default Light start This is the default for the lights on value shown on the left hand side of the Actogram screen The software default value is 06 00 2 5 1 4 Default Dark Start This is the default for the lights off value shown on the left hand side of the Actogram screen The software default value is 18 00 2 5 1 5 Warn before overwriting during setup It is possible to activate a warning which is shown before an Actiwatch is downloaded By ticking
10. 24 15 24 30 24 45 25 00 Peak correlation is at 24 00 Minimum period 23 00 aj T e Maximum period 25 00 4 gt Resolution mins 5 4 J gt 4 5 5 NPCRA NPCRA Non Parametric Circadian Rhythm Analysis is based on a complex circadian rhythm analysis the function and reasoning behind which is contained an NPCRA bulletin available from CamNtech as an Adobe Acrobat document To read this file the host pc will require Adobe Acrobat Reader which can be downloaded free of charge from http www adobe com uk Please contact admin camntech co uk for a copy of this bulletin Selecting Graphs and then NPCRA brings up the following screen Actiwatch User Manual V7 2 Page 33 Nonparametric Circadian Rhythm Analysis DER File Reference Copy 7Day Start r Rhythm analysis results 1 00 00 L5 1083 M10122195 Amplitude 21112 Interdaily Stability 0 661 wie L5 onset 00 00 M10 onset 07 00 Rel amp 0 907 Intradaily Variability 0 836 penal Double plotted averaged hourly data 7 days C 14 days 21 days C Variable EE End _ 17 24 00 Mon 28 Apr 1997 Hourly data display Clicking on Reference brings up the following screen BRIGHT LIGHT THERAPY IMPROVED SENSITIVITY TO ITS EFFECTS ON REST ACTIVITY RHYTHMS IN ALZHEIMER PATIENTS BY APPLICATION OF NON PARAMETRIC METHODS Yan Someren EJW et al In press Chronobiol int E mail
11. 3 4 Test Actiwatch Actiwatch User Manual V7 2 Page 15 Selecting Reader and then Test Actiwatch brings up the following message Place Actiwatch on reader with LED on WARNING the Actiwatch test routine will cause all setup information to be lost DO YOU REALLY WANT TO CONTINUE This function should normally only be accessed under instruction from CamNtech If technical support is required please call 44 1 480 831223 3 5 Cal Activity The Cal Activity tab is normally an engineering function and should only be used either under instruction from CamNtech or by users familiar with this function For further information or technical support please call 44 1 480 831223 3 6 Recover data Selecting Reader and then Recover data brings up the following screen Data recovery Actiwatch MUST be on reader This option must only be used if all else Fails Tt will reset a watch that has been inadvertantly reset or had a flat battery It will allow the watch to be read with the normal read rountine The file will be always be 32k samples long so some data in the file may be invalid The user may then edit the file using WORDPAD and ensure it is saved as a TEXT DOCUMENT We recommend that a new battery is Fitted after this recovery DO YOU WANT TO CONTINUE This option should also only be used under instruction from CamNtech Actiwatch User Manual V7 2 Page 16 4 Actogram Men
12. For example a 24 hour circadian rhythm will show a strong peak on the FFT plot at 24 hrs A cursor line may be placed at any point on the plot by use of the left mouse button The right mouse button moves the cursor at fixed intervals across the screen The period at the cursor is displayed above the plot The Options menu allow a Cosine window or cubic spline filtering to be applied to the date to minimise end effects An example of the FFT plot is shown below ia FFT Frequency Analysis E iol o x File Cut StatDay FFT Length Display Options Identity GARYUSA Age 38 Sex M Start date 24 May 1996 Fri Interval 5 00 Start Time 18 30 Period at cursor 02 00 4 5 4 Periodogram This plot allows the user to view the best correlated time period for the data sets loaded Three scroll bars are provided below the plot that allow the user to set the maximum period minimum period and the resolution in minutes Choose the data to be included in the analysis from the Select Days menu 4 or more consecutive days are required The Periodogram will be plotted showing a peak and the correlated best fit for the time period displayed An example is shown below Actiwatch User Manual V7 2 Page 32 AT ioix File Select Days Identity Age 57 Sex M Start date 10 Feb 1998 Tue Interval 2 00 Calculate Analysis start date 10 Feb 1998 Analysis end date 25 Mar 1998 23 00 23 15 23 30 23 45 24 00
13. OE 38 D222 VSAVEISUMIMALY a A Sadun panes 38 DDS EU 38 A EPH te cooss ist E E State A vi eiadieh miata eed 39 5 3 NN 39 3 1 Expanded raw dativo a 39 372 Calculated datar id dal aha ce ante 39 Dv SUMMIT he s gh O RO O RAE 39 34 1 Display summary ecc ratas 39 A O A O 40 IA E NS 41 5 5 Sensitivity aenieei tes ba dsedendads tates de dsc dodaagace aiae Sea EE a n 41 oA a E E N EE E E E E EA E E E es 41 SE Mikese e e e a a a R ER 42 e E S A BIET a AEE T A E E A 42 5 9 A al 43 NAS cecccscsssesssccssecsseeescesseeseecseeessecsaeeeseecseeessecsseeeaeeeseseeseeeaeeenes 45 6 1 Analysing a file using Activity Analysis oooooonnonincccooncnoncnonconnnoncnonnnconaconononcnonnno 45 O Ree sete est ven E ead any veut E A ae ae tees ar AES 45 63 TE 46 6 3 1 Histo gram data iio iaa 46 6 3 2 A A 46 63 32 Activity data ni e dani 46 634 Daly activity datan tas 46 6 3 5 Examples of copied activity data ooooconncnnononiocononcconcconnnnnncnononon oran con nnnnoss 46 6 4 Activity Analysis on screen CONtrOlS ooooonooccinncnoninonnononcnnncnnncono nono nonnnconononcrannn nnnoo 46 6 4 1 SS A 46 OAD A SE NN 46 64 35 POSE TOTO nt dnd 47 o E O 47 6 4 5 Histogram period ccccccccsccsscsssseseecesecsseceseeeeeeeecsecseeeeeeseeeseeeseeseeeaes 47 6 4 6 Activity display oooonononinconinononononnnonncnoncconcnonccon ccoo nono nonn nro n rc nn nono nono n rra nnnnss 47 6 4 7 Histogram display cccccccccs
14. Please contact CamNtech in case of any queries Actiwatch User Manual V7 2 Page 53 Light Analysis Eile Summary Copy Cal Identity brian Age 57 Sex M Start date 22 April 1997 Tue Interval 1 00 Start Time 09 38 Reference Level Tue 22 Apr 1 997 i Wed 23 Apr 1 997 i Analysis start gt gt Analysis end 03 00 Tue 22 Apr 1997 Wed 23 Apr 1997 Expanded data window Average 200 256 6 Maximum 1845 8777 764 Time above reference 00 00 00 57 00 00 Calibration factor gt Save Calibration 8 6 On screen controls e Scale The scale control can be used to alter the level of light displayed The software autoscales the light data Reducing the scale increases the resolution of the light data Day The day control is used to scroll through the days of the recording e Reference level The reference level can be set to allow the user to measure the amount of time spent above the reference level The amount of time that the light level is above the reference level is shown on the bottom left hand side of the screen e Analysis start The scroll bar can be used to set the analysis start which defines the start of the expanded display window Alternatively left clicking on the main display shown in blue and yellow above will also set the analysis start e Analysis end The scroll bar can be used to set the analysis end which defines the end of the
15. are expressed in terms of the 24 hour clock and calculated times unless indicated in terms of hours minutes and seconds 5 2 File 5 2 1 Load file Selecting File and then Load file allows the user to load a file for analysis 5 2 2 Save summary When all or selected days of sleep data have been analysed it is possible to save the results as an AWS file Selecting File and then Save summary brings up the following message Sleep watch Summary data to be saved in data file C Program Files Actiwatch Sleep Sidemodata aws Cancel Selecting OK saves the sleep summary file to the file location chosen Once a sleep summary file has been saved the next time the recording is opened the following message is displayed Sleep watch There is a sleep summary file C Program Files Actiwatch Sleep Sidemodata AWS Do you wish to load it Selecting Yes loads the sleep summary file for viewing or further analysis 5 2 3 Colours If the file loaded contains light data it is possible to change the colour in which the light data is displayed For further details on selecting display colours please see section 4 1 3 Actiwatch User Manual V7 2 Page 38 5 24 Print Selecting Print prints the current screen including the Actogram plot for that day and the sleep statistics for the selected night 5 3 Copy 5 3 1 Expanded raw data Selecting Copy and Expanded raw data copies dat
16. by the operator or set automatically by the analysis software by reading an event marker e Time in Bed The difference between the Get Up and Bed times e Sleep Start The start of sleep as set by the operator or determined automatically by the sleep algorithm Please see the technical appendix for further details e Sleep End The end of sleep as set by the operator or determined automatically by the sleep algorithm Please see the technical appendix for further details e Assumed Sleep The difference between sleep end and sleep start e Actual Sleep Time The amount of sleep as determined by the algorithm and is equivalent to assumed sleep minus wake time e Actual Awake Time The amount of time spent awake as determined by the algorithm e Actual Sleep and Wake Time Percentages These are displayed to the right of the Actual Sleep and Actual Wake boxes e Sleep Efficiency Actual Sleep Time Time in Bed e Sleep Latency The latency before sleep onset following bed time e Number of Sleep Bouts The actual number of episodes of sleep e Number of Wake Bouts The actual number of episodes of wakefulness e Mean Length of Sleep and Wake Bouts These figures are determined by dividing the total duration of sleep and wake by the corresponding number of sleep and wake bouts e Number of Minutes Immobile The total number of minutes during the assumed sleep period where the counts per minute are below a
17. epoch is scored as napping Please note that in order to avoid periods of low activity such as television viewing being scored as napping it is recommended that the threshold is set to 0 7 5 Nap Details The Nap Details screen shows the following information e Nap number e Start time e Nap length e Total nap length Actiwatch User Manual V7 2 Page 49 e Average nap length Please note that if no period of time fulfils the criteria set then this screen will be blank 7 6 Analysis period It is possible to analyse a subsection of the nap analysis screen Select the entire period of time to be analysed in the normal way Select the sub period to be analysed by left clicking at the start of the analysis period and right clicking at the end of the analysis period as shown below Nap Analysis File Markers Cdpy Identity brian Start date 22 April 1997 Tue Start Time 09 38 Tue 22 Apr 1997 Day Scale hd et J al K Analysis start 4 gt gt Maximum Nap 180 4 Nap Details Minimum Nap 20 4 4 f gt Analysis end gt Sensitivity 100 4 to Analysis period Start time End time Time Total Average epoch 1 Hr average This then provides the following information shown in the Analysis period window to the bottom right of the screen Start time End time Total time e Total activity e Average activity epoch e 1 hour average activity
18. last epoch in this period as Sleep End Within this period we allow for up to 2 epochs above the threshold The threshold and consecutive period of activity below the threshold necessary to equate to sleep end is determined by the epoch length set as such Epoch 15 seconds 30 seconds 1 minute 2 minutes Threshold counts lt 1 5 lt 3 lt 6 lt 12 Period of activity below 21 11 6 4 threshold required 5 25 mins 5 5 mins 6 mins 8 mins epochs The sleep wake algorithm has been validated using medium sensitivity Results obtained with other sensitivity settings should be interpreted with care 11 4 Time keeping The Actiwatch range are set from the PC clock and elapsed time is marked in each unit by means of a crystal which oscillates 32 times a second Selecting a sampling epoch sends an instruction to wait a certain number of oscillations before storing the number of activity counts This system is also used when specifying any delays in start time Actiwatch User Manual V7 2 Page 64 11 5 Sensitivity settings The sleep scoring algorithm has 4 different sensitivity settings Low Threshold level 80 e Medium Threshold level 40 High Threshold level 20 e Auto Threshold level variable Altering the sensitivity setting selected alters the number of counts in an epoch required to score that epoch as wake The default setting is medium and when this setting is selected an acti
19. only Once an AWF file has been loaded the main software screen will show a dropdown menu for AWF plot as shown below A Sleep analysis File Reader Actogram Sleep Analysis Activity analysis Nap Anal gis AWE plot Options Selecting AWF _plot brings up the following screen Actiwatch User Manual V7 2 Page 8 Line graph File Copy Identity Jenny Age 29 Start date 06 Oct 05 Thu Interval 2 Start Time 10 47 Mi 10 50 10 55 11 00 11 05 11 10 1115 11 20 11 25 11 30 11 35 11 40 lt gt Expand window Reduce window 2 1 4 AWF Plot on screen controls e The File menu allows the user to print the screen shown above e The Copy menu puts the raw data onto the clipboard for use in a third party program such as Excel e Expand window allows the user to increase the amount of time viewed i e decrease the resolution e Reduce window allows the user to decrease the amount of time viewed i e increase the resolution The scale can be altered using the slider to the left of the screen as shown above e Itis possible to scroll through the data either using the scroll bar shown at the bottom of the screen or using the mouse to click and drag on the data Actiwatch User Manual V7 2 Page 9 2 2 Saving Files Clicking on File and then Save brings up the following screen Save in O Actiwatch Sleep 7 vy e md Ea 4 My Recent la Nrolight awd D
20. overall view of two days of activity with an analysis window highlighted in blue covering the period of data to be analysed The lower plot provides an expanded view of the analysis window and will also show marker events where used as vertical blue lines The expanded analysis window plot has two further data bars just below the plot area The upper bar shows the bed time get up times blue lines and sleep start sleep end times pink lines The lower bar represents periods of sleep as white areas and periods of wakefulness as red areas 5 1 1 Setting the Analysis Window period Set the start time for the analysis by clicking on the upper activity plot with the LEFT mouse button until the blue highlighting starts at the required time Set the end time for the analysis by clicking on the upper activity plot with the RIGHT mouse button until the blue highlighting ends at the required time Scroll bars are provided below the expanded activity plot to allow further adjustment of the analysis start end times as required The Analysis Window may be set to between 1 and 24 hours in length The Analysis Window must be of sufficient duration to encompass the sleep periods of the subjects and this should be consistent for each day within the data file if possible 5 1 2 Setting Bed and Get Up Times These times or the equivalent such as lights on and lights off have to be set by the operator and are indicated by the small dark blue lines underneath
21. possible to smooth the data to better delineate trends The smoothing factor applied can be between 2 minutes and 1 hour 4 5 1 5 Scale It is possible to alter the activity and light if applicable scale to best represent the data This is done by altering the slide bars shown on either side of the screen 4 5 2 Line Selecting Graphs and then Line brings up the following screen Line graph File Display Smoothing Identity brian Age 57 Sex M Start date 22 Apr 1997 Tue Interval 1 00 Start Time 09 38 Smoothing None 3220 a iil Thu 24 This shows each or selected days of data drawn end to end It is possible to manipulate the data in the same way as described in the section on average data Please see section 4 5 1 for further details 45 3 FFT This option provides a plot of the frequency distribution of events for selected data Select the Start Day for the analysis this defaults to the first day of the study Select the FFT Length from the options displayed and the time base from the Actiwatch User Manual V7 2 Page 31 Display menu 1 minute to 12hrs A longer FFT length will provide a more accurate plot A representation of the data to be analysed is displayed across the bottom of the screen Click on the Do FFT button to perform the analysis the plot will be re drawn The peaks on the plot show a correlation of the rhythmicity of activity
22. predetermined immobility threshold See below e Number of Minutes moving The converse of the above being the total number of minutes where scores greater than the immobility threshold were recorded during the assumed sleep period e Percentage of Minutes Immobile Number of Minutes Immobile Assumed Sleep period e Percentage Minutes Moving Number of Minutes Moving Assumed Sleep period e The Number of Immobile Phases The number of periods of continuous periods made up of consecutive epochs where the counts are lt than the immobility threshold E g suppose a score lt 4 was recorded in 4 consecutive epochs This is classed as one Immobile Phase In the example below there are 4 immobile phases id eap 4 epochs 1 Minute Actiwatch User Manual V7 2 Page 43 e The Number of Immobile Phases of 1 Minute The number of immobile phases where the duration is no more than 1 minute In the example above there is one Immobile Phase of 1 Minute e Percentage Immobility The Number of Immobile Phases of 1 Minute as a proportion of the Number of Immobile Phases In the example above the percentage immobility is 25 e Fragmentation Index The addition of Percentage Minutes Moving and Percentage Immobility This is used as an indicator of restlessness IMPORTANT The above three parameters are only valid if the epoch is set to 1 minute Actiwatch User Manual V7 2 Page 44 6 Activity Analysi
23. the Expanded Analysis Window These can be moved by using a LEFT mouse click or by use of the slider bars for fine adjustment They can also be set automatically by use of the Event Marker in the Sleep Diary routine see section 5 1 8 The corresponding time in bed is shown in the box at the right of this information 5 1 3 Setting Sleep Start and Sleep End These times have to be set by the operator and are indicated by the small pink lines underneath the Expanded Analysis Window These can be moved by using a RIGHT mouse click or by use of the slider bars for fine adjustment note these times must fall within the region encompassed by the blue bed and get up time lines Alternatively the Sleep start end times may be set automatically by clicking on the Auto button thus allowing the sleep wake scoring algorithm to calculate the times The bedtime and get up time must be set before selecting the Auto option The amount of assumed sleep will be shown in the box at the right of this information 5 1 4 Performing the sleep analysis When the correct periods have been selected click on the Calculate button to perform the analysis The Actiwatch sleep wake scoring algorithm will calculate the Sleep Wake and movement information for the period between sleep start and end times The results will be displayed in the lower part of the screen Actiwatch User Manual V7 2 Page 37 Please note that where actual times are involved they
24. the box Warn before overwriting during setup the following warning message is displayed when an Actiwatch is being downloaded Actiwatch User Manual V7 2 Page 13 Has this Actiwatch been downloaded All data will be overwritten by new setup Selecting Yes allows the user to proceed with the setup Selecting No aborts the setup procedure 2 5 1 6 Use Default setup It is possible to specify a default setup for certain parameters by ticking the Use default setup tick box For further information please see section 2 5 4 on the default setup tab 2 5 2 Reports tab The reports tab allows the user to select what information is included on printed reports This includes the option to include User name free text field e Date Time selected by tick box Watch serial number selected by tick box User name selected by tick box e Actiwatch read date selected by tick box 2 5 3 Data Path tab The Actiwatch data path tab allows a default data path to be selected for saving Actiwatch files to The software default path is C program files actiwatch sleep 5 This should only be changed if necessary 2 5 4 Default Setup tab It is possible to select certain parameters which appear as default parameters when an Actiwatch is set up These are e Epoch e Start Time Gender Age When the Use default setup box is ticked this tab is accessible and these parameters can be set by the u
25. the different sensitivity settings are given in the technical appendix 5 6 Sleep Wake Clicking on Sleep Wake brings up the following screen Sleep wake display File Copy Analysis Start 23 00 Time Epoch 0001 0021 0041 0061 0081 0101 0121 0141 0161 0181 0201 0221 0241 0261 0281 0301 0321 0341 0361 0381 0401 0421 0441 0461 0481 0501 0521 0541 to to to to to to to to to to to to to to to to to to to to to to to to to to to to No 0020 0040 0060 0080 0100 0120 0140 0160 0180 0200 0220 0240 0260 0280 0300 0320 0340 0360 0380 0400 0420 0440 0460 0480 0500 0520 0540 0560 Analysis End WS555 SSW 55555 35535 55555 33353 55555 55555 535355 55555 55555 55555 SSW 553555 335355 55555 55555 35555 55555 55555 SUIS 553555 WUSUU 55555 55555 WWW WoW WS WW SSWUW 35555 55555 55555 55555 S5W55 WS555 35555 35555 SWUWWW 55555 55555 55555 S5505 SSWW SU5355 353555 55555 55555 353555 335350 WUWUS SSuuw SUUSS WT WWWWW 08 00 Actiwatch User Manual V7 2 Page 41 This enables the user to see which epochs during the night have been recorded as wake w and which have been recorded as sleep s For further details on how the software scores wake and sleep please see the technical appendix 5 7 Markers Clicking on markers brings up a complete list of the times when the Actiwatch marker button has
26. 25 1 A E E 13 2S lele Defaultscales ai A A diia 13 25102 Default Dai A ltd 13 2 5 1 3 Default Light start 0 2 2 ssev cccsie priori 13 2 5 1 4 Default Dark Start cccccccccsccesecesecessecsseeeseecseecsseseeesseeesseeegs 13 2 5 1 5 Warn before overwriting during SetUP oocooccnoncooncnonncoonconnnonnncnnnonos 13 2 5 1 6 Use Default setup lunod insere e a e E ccoo ono n nn a eE 14 2 9 2 REPOS tab reisene aaeeea e ea a a ea aah e aaee oa 14 ZE Data Path tabori a a eid Baad Bt i 14 2 3 4 Default Setup tab cisco ana a E E iaacodon diieiia ias 14 3 Reader Men ii een 15 31 Comms NA 15 A O NN 15 O NN RN 15 E A A A O E 15 3S Cal A cies clipes teen oA ae a a aa 16 3 6 Recover data iaa criados 16 4 Actogram Menu 5 24 35 eevee A edie ad dee 17 ASV ile ccstecs E haste eit ees eect Gil AS E E rea acta Bava ee 18 O Loy le deren E 18 4 1 2 Editditaa nee a o a a Sana oe 18 4 1 3 ColoufS ananira niriana idid riae ine endea dieiis 19 AA Pt E E ad 19 ALS Presi AA si 19 4 1 6 Load Setup iii ic EEE E E EAE Eas 20 a ET oT AESA o AE SS E AS E E E 20 DR COPY oa A A A As 21 A A A eater S EE S OU 22 AS Tr A E eae 22 As Din WGC O tcc si tate th sockets Mk oli eee a MU SU oe So teeth ohn sa se tint totes sect E 22 A333 O ees 22 4 3 3 1 Single day display ooooococinocoonnnononioncnonccnnncnnnconnocnnncnnnonnnnonnnonononos 22 4 3 3 2 Dual day display 3 5 tcc ahd a 25 4 3 3 3 Expanded activity displ
27. Complete blank days will be removed Part days will be filled with zeros to maintain timing The dates days of the second File will be changed to follow sequentially the First File e are compatible the two files will be joined and the following message displayed 5 The joined file Joined AWD has been created and loaded If the data is From two different Actiwatches then the data may be uncalibrated The new file has then been created and named joined awd It is important to note that each time a new joined file is created it is named joined awd and the previous joined file is overwritten To avoid this it is important to re name joined files as soon as they are created Actiwatch User Manual V7 2 Page 11 2 4 Edit file Selecting File and then Edit file brings up the following screen Edit data file Sela Day 1 Tue 22 Apr 1997 Start E 00 00 End 00 00 Replace Activity With Zero Day Average 4 Fixed Value fo NM Replace Light With Zero C Day Average fi20 C Fixed Value fo Replace Data Exit This allows the user to edit AWD files The procedure for doing this is as follows e Select the day date of the file to be edited e Enter the start and end times required all times are in 24 hour format e Select the format to replace the activity data with This can be one of three things 1 Zero 2 Day average for the selected day 3 User enterable fixed value
28. a from the analysis period epoch by epoch The raw activity in counts is shown along with information as to whether the epoch has been scored as wake or sleep 5 3 2 Calculated data Selecting Copy and then Calculated data copies all of the calculated data to the clipboard This function only works when sleep data has been analysed Each parameter for the selected day is reported 5 4 Summary 5 4 1 Display summary It is possible to display a summary of all parameters in the sleep analysis Clicking on Display summary produces the following screen Sleep Summary DAR Analysis Period Start Day Pe TST a End Day ES Date 22 Apr 1997 23 Apr 1997 24 Apr 1997 25 Apr 1997 26 Apr 1997 27 Apr 1997 28 Apr 1997 Day A Bed time 4 23 20 23 21 23 3 i 23 21 Get up time OF 400 zi or AO Time in bed 08 21 oga 8 20 08 08 2 20 8 20 Sleep start ey 3 23 23 20 23 Sleep end 0722 a ee a B ul Assumed sleep 74d 0745 0 47 ig 0818 0734 0707 Actual sleep time GS 06 3 m ozog 06 4 A A Actual sleep 4 Actual wake time HE E AO A AN ET IA 05e Actual wake A e 15 14 f 14 93 Sleep efficiency dl He 6 30 74 2 79 51 Sleep latency 00 00 17 y p 00 ar 41 00 14 26 Sleep bouts Saal 4 Wake bouts 4 pil al 25 2 29 57 Mean sleep
29. a measure of deviation 4 3 3 2 Dual day display As previously mentioned the dual day plot is useful for visually representing longer periods of recording The example below is the dual day version of the Actogram shown above and shows a clear circadian rhythm shift Actogram File Display Options Graphs Markers Light On Identity Patient 9 Age 46 06 00 Start date 01 May 2003 Thu Interval 1 00 q hm Ol Start Time 06 00 Light Off 18 00 al J gt ThuFri Activity Scale Frisa Lil l ajui Hilo DA SAS rates al 4 gt SuniMon jus jaoi ai fa Zero Monue in ua TueWed Wed Thu ThuFri Fri Sat Sat Sun Sun Mon 00 00 06 00 12 00 18 00 00 00 06 00 12 00 18 00 00 00 ae Mon Tue ce TueWed foe er te Ol UE A ja wd ot bad i laddai at Lad Start Time Wed Thu 7A Vie se Fa O SN AA OS HORA 00 00 ThuFri dnl fia a O be dodo Pool d all gt Fri Sat fef heh od el deo le gt Sat Sun SunMon Mon Mue TueWed Wed Thu Thu Fri Fri Sat Sat Sun Sun Mon Mon Tue Tue Wed Wed Thu Thu Fri Fri Sat Sat Sun Sun Mon Mon Tue TueWed Wed Thu Thu Fri Fri Sat Sat Sun Sun Mon Mon Tue Tue Wed Wed Thu Thu Fri Fri Sat Sat Sun Actiwatch User Manual V7 2 Page 25 4 3 3 3 Expanded activity display It is possible to expand a certain part of the Actogram display by double clicking on it This brings up a screen like the following example Expanded activi
30. are calibrated on a specially designed calibration jig before they leave CamNtech The Actiwatch incorporates a calibration factor to produce the same output for the same amount of motion in terms of g In practice inherent variation in application of Actiwatch units means that no two Actiwatches will produce exactly the same output To minimise this difference 1t is important to develop a standardised Actiwatch mounting and positioning protocol 11 2 How does the Actiwatch work Activity is measured by the means of a piezo electric accelerometer that is set up to record the integration of intensity amount and duration of movement in all directions The corresponding voltage produced is converted and stored as an activity count in the memory unit of the Actiwatch The maximum sampling frequency is 32Hz It is important to realise that due to this improved way of recording activity data there is no need for sensitivity settings as the Actiwatch unit will record all movement over 0 05g Filters are set to 3 to 11 Hz The following sections contain a worked example of how the Actiwatch works and definitions of terms used in actigraphy 11 2 1 Activity Counts Activity is measured in counts This is a generic term used to denote the amplitude of the signal produced by the accelerometer in the Actiwatch The number of counts is proportional to the intensity of the movement Accelerometer is Most Sensitive to Motion in this Direction Accel
31. ay ooooconoccnoccnononocncooncoononnnnonnnonnnconononononos 26 AI MD ette dd 26 ABD A O 26 EE cya o E 26 AIT Change EPOC tt a Ge iba ees tees 26 BA OPHONS ii dai 27 e A AA Se a needa tigen otra aire eons 27 AAD TAMOS A A aad Pace 27 Actiwatch User Manual V7 2 Page 3 IN A O OSs 29 pa ES DO O OA 29 AS LA ACOPIO ad 29 ASN O E Mii et lie hata wae ae a ee 30 Arsh 3 AAA O dace oe Settee 30 AS M4 ISTMO MO Het isons a T tosco 31 A lA AN 31 A O hoe cel caten Pc tne E 31 AS So PE O a Soe das ee oleae a ape hee ae 31 ASA Porlodo Minnie daas 32 SN A A O 33 40 Matkers ci ccevcesceaesicccedesestesssestcctedevesncdecuetccuedutdedecnedndcndcdadesncsvasedcdncdutentedvesvadstedetdene 34 4 7 Actogram on screen CONtrOlS ooooooncccnnonoonnonnnonncconcconononononnonononon ono nn non nono rcnn rra nono 35 5S Sleep Analysis MEU ts eee 36 5 1 Analysing and scoring sleep data preparing for sleep analysSiS ooonoonnnon 36 5 1 1 Setting the Analysis Window perlOd ooooonooonionnnoncconoconnconcconnonanonanoranononos 37 5 1 2 Setting Bed and Get Up Times 0 ccc cccccecccssseseeeseeeeseeeneeeeeeneeeneeneeenes 37 5 1 3 Setting Sleep Start and Sleep Edd ooccnicnnonnioocnooncconoconnnonnconncnononanonanonnnos 37 5 1 4 Performing the sleep analysis ccccesccccscesseeeseeeseeeeseeseeseeeeeeseesneenes 37 O FilG ceieciecssscescg eames veecheshen dh pase eesise desea eeshiade teense adenine 38 SeQsl
32. been pressed For more information on the Actiwatch maker button please see section 4 2 of the Guide to Getting Started For an example of a list of markers please see section 4 6 5 8 Sleep Diary It is possible to load information for each day of the study from the Sleep Diary command Clicking on Sleep Diary brings up the following screen Sleep diary Exit Print diary Analysis Window Da Date Start End Get up time y Tue 22Ape97 2300 Tue 08 00 wea 2320 Tue 07 40 wea p3 Thu 24 Apr 97 23 00 Thu 08 00 Fi 23 20 Thu 07 40 Dei lt Back _ Next gt ox Read markers The following functions are available e The Analysis Window start and end times can be set for each day of the recording The bed time and get up time can be set for each day of the recording Ifthe marker button has been used to demarcate bed time and get up time then the Read markers button can be used to automatically load the bed time and get up time for each day of the study The option to print summary data from the sleep diary by selecting Print diary Actiwatch User Manual V7 2 Page 42 5 9 Sleep Parameters A full list of all the available sleep parameters is given below e Bed Time Inserted time when lights are switched off This is set by the operator or set automatically by the analysis software reading an event marker e Get Up Time Inserted time when lights are switched on This is set
33. bouttme 001250 001406 001314 001519 001004 001530 001527 Mean wake bout time 00 02 33 E 1 02 20 02 22 00 01 58 00 0 Immobile mins a w ee TORES A Immobile time 4 ami i Moving mins 76 al 70 750 oo 850 62 El 70 Moving time w 15 pal e i l a 1 Lar No of immobile phases al E 4 l 4 SERS Mean lenath immobility 6 Sa MES One Minute immobility ST a i il all i One Min immobility 2 nn 220 as El 11 4 Total activity score 10181 93069 A stos BL Mean activity score Ea AO amas 5e Mean score in active periods _ w ae isan J ge E p ttzes Fragmentation index 8 37 1 O Al 26 9 Avg wake movement E 279 1 Actiwatch User Manual V7 2 Page 39 A full list of all parameters available from the sleep software is given in section 5 9 5 4 1 1 The File menu allows the user to perform the following actions File e Print 7 day report prints a complete summary for all parameters for 7 days e Print 7 day report with graphs prints a complete summary for all parameters for 7 days complete with sleep graphs for each day An example is shown below Print Preview Sleep Summary Report 22 Apr 1997 to 28 Apr 1997 User ID BRIAN Start Date 22 Apr 1997 Subject Age 57 Start Time 09 38 Subject Gender M Epoch 1 Mins Watch Serial Ho P401259
34. cam Mtech The Actiwatch User Manual Issue Date 07 10 08 Issue Version 7 2 Document No 30096 CamNtech Ltd Upper Pendrill Court Ermine Street North Papworth Everard Cambridge CB23 3UY Tel 01480 831223 Fax 01480 831733 Email admin camntech co uk Website www camntech co uk This manual is designed to be read in conjunction with the Actiwatch Guide to Getting Started Actiwatch User Manual V7 2 Page 1 Actiwatch Medical Device Information The Actiwatch is a Class I Medical Device conforming to the essential safety amp health requirements and provisions of EC Council Directives 93 42 EEC Annex I and VII Manufacturer Mi CamNtech Ltd Upper Pendrill Court Papworth Everard Cambridgeshire CB23 3UY UK Applicable Standards EN60601 1 2001 Medical electrical equipment General requirements for safety EN60601 1 2 2002 Medical electrical equipment Part 1 2 General requirements for safety Collateral standard Electromagnetic compatibility Requirements and tests Group 1 equipment Class B emissions only EN60601 1 2 2002 Medical electrical equipment Part 1 2 General requirements for safety Collateral standard Electromagnetic compatibility Requirements and tests Non life supporting equipment immunity section only EN60601 1 4 1997 Medical electrical equipment Part 1 4 General requirements for safety Collateral standard General requireme
35. ccssscesecsseessecsseeeseecseeessecseeeseeeeeeneeeneeeneeeaes 47 Actiwatch User Manual V7 2 Page 4 6 4 8 Altoscale il Ae 47 T Nap Analysis Menisi asn a bocce Sh eases eh aie doe Bes ee 48 NS A eek FN A OA 48 Tas MaS AT td 48 T3 COPY aen iiaii E E RE E E EEEE ECAR E A 48 E A aen at teases 48 AD e TANASI a a nl Sint tal hace a Cl 49 7 4 Nap analysis on screen controls oooooonoccnonononcnonnconnconncnonononoonn nono ncnononnncon oran nronnnnn noo 49 TAE Dd e e a 49 FAQ A NN 49 PAS IS A cceeet is cenit med ide pAb dads 49 TAM Maximum Nap A A i Me ee 49 TE EE E aE TE vs ceiss E cd Th od deals 49 Ko Napa Aceon Cees 49 7 6 Amalysis period iii aces 50 8 Might Analysis Medline a 51 Sl An alysmeaa listillo 51 Ble A o T ade 52 A eane vance Sea stiewee sonia cs paste venue E 52 8 22 A a RK ses agers nash he ase ee Maegan wend aes 52 SI NRO 52 Sd COPY SUM Mary A A Te eke A 52 E A O 52 8 4 Copy Expanded Stat 2s ienei aee o anene ane eaa a nani Ee aan aae rn iae Eoi ea 53 BB E NN 53 A AN LE 54 9 The Actii ght E aah tas taka Sot eh ete mil ah a mihi aS Reset 55 9 1 1 ActiLight overview sssesssseesessesseesessreressresressesreesesseesresreseessessreseeseeeses 55 9 1 2 ActiLight Technical Specification oonnoononnninconnncconnconnconnconnonancnonornnnnnos 55 9 1 3 Wearing the ActiLight oooonnonncccncnonnnonnconnnonnononononononcnnnnononononcnnnrannonnss 56 9 1 4 Setting up the ActiLight oooo
36. ch e 60 days allows up to 60 days to be displayed in the Actogram e 20 days allows up to 20 days to be displayed in the Actogram 43 3 Type The Type function allows the user to select either a single day display or a dual day display 4 3 3 1 Single day display The single day display plots each day on a single line from midnight to midnight An example of a single day plot is shown below Actiwatch User Manual V7 2 Page 22 Actogram DER Eile py Display Options Graphs Markers Hamon Start gate 01May 2003 T uo ae Mark start i Pe eae SIE ey el Eee 1089 Activity Scale ii 5 i Ga Aine a lord OTE STS E Ea oy ERE 1355 Pasa k IR Sel acs a lo PA 1633 4 gt ee A o E PA A O S PA A ate ML A 104 1488 qa Zero e A A RET daki ee o mi lp 1488 d 1793 AAR 1355 ADA a ey 1438 cub ma lle o 1123 y al AO EZ 1442 1196 1398 1123 Start Time 1398 00 00 AAR PE foetal eres A A 1022 kl mi i A RAEE 1684 1355 Reser den te fll Al ba ll al ia 990 co fli d alsa ta 1488 rm lr e nl soho Dect Judita i 1442 BN A att 2521 laca al tl lo alo lalo ale ekra tard 1488 Da teria ab ill lei aiaia La ana Ath ll per O k n 14 149 r cid lle rta tl os o s 1535 Sa beset bh as X Jazd 1583 1793 2031 1633 1793 1159 1089 1488 0 382 137 124 408 ZZEE The single day display allows the user to look in more detail at specific parts of the data The following information is available
37. electing Options and then Graticule the graticule lines on the Actogram can be switched on and off An example of an Actogram plot with the graticule lines switched off is shown below Actogram Eile Display Options Graphs Markers Light On Identity brian 4 Cursor 0600 Start date 22 Apr 1997 Tue 04 54 00 Start Time 09 38 ASI gt i x Light Off 21 ae 00 00 06 00 00 00 Mark start SY gt Activity Scale male e OA Ea o lb a Alla bata ul tual a E Start mes lat Eta tot Wee Eee 00 00 a Ei Redraw Elo ber des ete All lic l od EA J Se ere PW bol Actiwatch User Manual V7 2 Page 28 4 5 Graphs It is possible to graphically represent the activity data in a number of different ways 4 5 1 Average Selecting the Average option produces a screen similar to the one shown below Actogram Average DSR File Copy Display Select Days Smoothing Identity brian Age 57 Sex M Start date 22 Apr 1997 Tue Interval 1 00 Start Time 09 38 06 00 12 00 18 00 ooa a a a aa aA E Activity Light Average 221 9 Variance 189 1 Activity Average Light 341 137 Cosine Peak 13 36 Activity Average Dark 102 692 Smoothing time constant None Light Dark ratio 3 322 This is a graphical representation of the average activity in each epoch over all or selected days of the recording The data can be manipulated in the following ways 4 5 1 1 Copy The C
38. erometer Orientation lt Actiwatch The electronics in the watch checks or samples the amplitude thirty two times per second and it captures the highest amplitude in that second This represents the peak intensity of the movement in that second Actiwatch User Manual V7 2 Page 60 Prior to sampling the movement waveform is continuous A sinusoidal waveform is shown below for ease of visualisation In practice the waveform could be any shape and does not necessarily have to be periodic Acceleration Fig 1 The sampling process converts the continuous signal into discreet steps each representing a sample as shown below Acceleration Fig 2 In the Actiwatch the amplitude of each step can have a value between 128 and 128 These values are referred to as counts The greater the number of counts the higher the acceleration in the period represented by a particular step Since the maximum achievable acceleration for human movement is 5g 25 counts sec represents approximately an acceleration of 1 g NB The above definition of counts may not apply to other actimeters Actiwatch User Manual V7 2 Page 61 Example Period Count 1 1 32 sec 50 2 1 32 sec 22 3 1 32 sec 75 4 1 32 sec 60 5 1 32 sec 34 6 1 32 sec 10 7 1 32 sec 15 8 1 32 sec 41 9 1 32 sec 25 10 1 32 sec 9 11 1 32 sec 17 12 1 32 sec 25 13 1 32 sec 7 14 1 32 sec 1 15 1 32 sec 40 16 1 32 sec 33 17 1 32 sec 28 18 1 32 sec 5 19
39. formation from the Analysis period box onto the clipboard for use in a third party program such as Excel Please note that in order to be able to copy analysis data an analysis period must previously have been selected Please see section 7 6 for details 7 4 Nap analysis on screen controls 7 4 1 Day It is possible to scroll through the days of the analysis in order to select the day required for nap analysis using the Day bar located to the left of the nap analysis main screen 7 4 2 Scale The scale slider located on the left hand side of the nap analysis screen is used to alter the scale of the activity data The software autoscales the data when it is displayed and reducing the scale shows the lower data values so the plots appear larger when viewed 7 4 3 Minimum Nap The user can define the minimum period of inactivity required to be scored as a nap This can be set to a value of between minute and 20 minutes 7 4 4 Maximum Nap It is also possible to define the maximum amount of time to be scored as a nap This value can be set to between 6 minutes and 3 hours but must be gt 5 minutes higher than the minimum nap figure 7 4 5 Sensitivity The sensitivity value can be set between 0 and 100 This is the threshold below which inactivity is scored as a nap It is equivalent to the number of counts in the epoch For example if the sensitivity value is set to 5 then if an epoch has fewer than 5 counts in it then that
40. g information will be displayed e Average light intensity in Lux e Maximum light intensity in Lux Amount of time spent above reference Actiwatch User Manual V7 2 Page 51 8 2 File 8 2 1 Colours Selecting File and then Colours allows the user to change the colour that the light is displayed in Full details on colours are given in section 4 1 3 8 2 2 Print Selecting File then Print prints the screen shown above if a printer is connected to the host PC 8 3 Summary Selecting Summary brings up the following screen Light Analysis summary Exit Copy summary Print Summary Average Maximum Time above reference Tue 22 Apr 1997 200 1845 00 00 Wed 23 Apr 1997 256 8777 00 57 Thu 24 Apr 1997 197 7644 00 16 Fri 25 Apr 1997 135 2170 00 01 Sat 26 Apr 1997 158 6878 00 28 Sun 27 Apr 1997 294 10806 01 05 Mon 28 Apr 1997 426 16947 01 52 Tue 29 Apr 1997 146 2718 00 16 This shows the average light maximum light and the time above reference for the duration of the recording 8 3 1 Copy summary Selecting Copy summary from the light analysis screen shown above copies the data shown above to the clipboard It can then be pasted into a third party program such as Excel for further analysis 8 3 2 Print summary Selecting Print summary prints the screen shown above if a printer is connected to the host PC Actiwatch User Manual V7 2 Page 52 8 4 Copy Expanded Stats Selecting
41. he Actiwatch Sleep Analysis software relies on an algorithm using the activity data recorded by the Actiwatch in a series of linked calculations The Actiwatch algorithm looks at each data point from each epoch and those surrounding it and makes a total score based on these activity counts The adjacent activity scores influence the total score in the following way Within 1 minute of the scored epoch activity levels are reduced by a factor of 5 in comparison to the epoch being scored and this value is added to the scored value Actiwatch User Manual V7 2 Page 63 Within 2 minutes of the scored activity epoch activity values are reduced by a factor 25 and in comparison to the epoch being scored and this value is added to the scored value Using the default Medium Sensitivity for 1 minute epoch data and pro rata for other epochs used a total score of 40 will be enough to designate the epoch as being Awake For automatic determination of Sleep Start the algorithm looks for a period of at least 10 minutes of consecutively recorded immobile data with no more than 1 epoch of movement within that time following the Bed Time The start of this defined period is classified as Sleep Start and the difference between this and Bed Time is used to determine Sleep Latency For Sleep End the algorithm looks backwards from the last sample in the analysis window for a specific consecutive period of activity below the threshold and classifies the
42. hium Manganese cell is 6 months Replacing the batteries should be done as a matter of course at 6 monthly intervals or before a study that encompasses this time The battery is located beneath the stainless steel plate that is screwed to the Actiwatch With any Actiwatch units supplied after July 1997 series 6 units simply unscrew the 2 screws without shoulders leaving the top right and bottom left ones in relation to the orientation mark in place but loosened such that the base will pivot By pivoting the base and turning the Actiwatch the battery will drop out and it can be easily replaced by one of the correct type and the screws tightened up The Test Actiwatch routine Actiwatch User Manual V7 2 Page 65 should be run after changing the battery to check the Actiwatch is functioning correctly This can actually be done before the final tightening of the screws For older units the following procedure should be adopted 1 Remove three of the screws from the back of the Actiwatch completely leaving the one at the opposite corner to the small orientation marker in place 2 Undo this screw three turns 3 Turn the Actiwatch over so that the black face is upwards and rotate out the base complete with the battery 4 Replace the battery with a new one 5 Rotate the base back into the correct position 6 Tighten the single screw 7 Place the Actiwatch on the reader and use the Test Actiwatch routine from the Reader menu 8 If
43. ion of light and dark average activity average graph Activity scale automatically set by the software to best display the activity data This may be used to clip the upper end of the data by reducing the value Zero sets the minimum value may be used to clip the lower end of the data Start day may be used to plot the Actogram starting at any day during the recording Start time may be used to plot the Actogram starting at any time during the recording Redraw refreshes the Actogram also found in the display menu Actiwatch User Manual V7 2 Page 35 5 Sleep Analysis Menu The Actiwatch can be used to quantitatively measure sleep quality and has been validated against polysomnography for use in sleep studies For further information on validation of the Actiwatch please see the technical appendix 5 1 Analysing and scoring sleep data preparing for sleep analysis Opening the Sleep Analysis section of the software brings up the following screen Sleep Analysis File Copy 3 Sensitivity Sleep Wake Markers Sleep Diary Calculate Identity brian Age 57 Sex M Start date 22 Apr 1997 Tue Interval 1 00 Day Scale Stat Fec Light scale 1 3219 Tue 22 Apr 1997 Wed 23 Apr 1997 2048 4 a El zal zl El zi T E 23 00 Analysis start 4 gt gt Analysis end 08 00 Bedtime 23 20 4 gt Getuptime 07 40 gt Time in Bed 08 20 AUTO T Sleep start 23 40 4 gt moe end 07 20 4
44. llows the user to specify the parameters to be printed Correctly setting these parameters and then selecting Confirm will print the selected parameters 4 15 Printer setup Selecting Printer setup brings up the following screen Actiwatch User Manual V7 2 Page 19 Print Setup Printer Name SHARP AL 1556 X Properties Status Ready Type SHARP AL 1556 Where 192 168 254 250 Ip Comment Paper Drientation Size 44 y Portrait Source Auto Select 7 C Landscape Network Cancel This allows the user to select which printer is used for printing if applicable and to alter the page setup when printing 4 1 6 Load setup Selecting Load setup brings up the following message Actiwatch Sleep 5 This will load previously saved settings For all controls and some menu options do you wish to proceed This function loads previously saved settings for controls and menu options if they have been saved by the user For a full list of these settings please see section 4 1 7 4 1 7 Save setup Selecting File and then Save setup brings up the following screen Actiwatch Sleep 5 This will save the current control settings and some menu options do you wish to continue Selecting Yes saves the current control settings defined by the user The parameters that can be set are as follows Light on Actiwatch User Manual V7 2 Page 20 Light off e Activi
45. mins 5 mins 10 mins 15 mins 30 mins 1 Hour DK Cancel E x j X A It is possible to change the post hoc analysis epoch to one greater than that with which the recording was made For example it is possible to load a recording made with 1 minute epochs with a 1 hour epoch and in this case 60 one minute epochs would be combined to produce a 1 hour epoch Please note that this action should only be performed once as it is not possible to for example go from minute to 1 hour and then back to 1 minute Should this be required it is necessary to re load the original file Changing the analysis epoch does not alter the original data 4 4 Options 4 4 1 Time bars The Time bars function on the Options menu allows the user to select to either view or hide the time bars shown at the top of the Actogram screen 4 4 2 Tau Line This option allows a free running rhythm Tau value to be calculated from the data loaded if it is suitable Select Tau Line then click and drag with the left mouse key to mark the start and end of the Tau line where required usually activity onset or offset A value for Tau which will automatically be updated as the line is moved will be displayed at the top of the screen Selecting the Redraw option at the bottom left of the screen will refresh the Actogram and remove the line and the Tau value from the display Actiwatch User Manual V7 2 Page 27 4 4 3 Graticule By s
46. nto the program for analysis 2 1 1 File types There are 2 different types of Actiwatch file Actiwatch AWD files and Actiwatch AWF files When loading an Actiwatch file ensure that the correct type of file is selected in the Files of type field 2 1 2 AWD files Actiwatch data files are saved by default as Actiwatch AWD files This should not be altered otherwise the files may not be recognised by the Actiwatch software The only exception to this is if a file has a 2 5 or 10 second epoch In this case the user has the option to save these files as AWF files For full details on AWF files please see section 2 1 3 Actiwatch User Manual V7 2 Page 7 2 13 AWF files When an Actiwatch has been set up with either a 2 5 or 10 second epoch it is possible to save the file as either an AWF file or as an AWD file Full information on AWD files is given in section 2 1 2 AWF files are high resolution activity data files recorded at either a 2 5 or 10 second epoch Selecting Open and then Files of type AWF will bring up any available AWF files as shown below Look in O Actiwatch Sleep 7 Er Ee E 2 seconds2 AWF E 128kb AWF My Recent Ed calcheck2 AWF Documents E calcheck AWF E calcheckok AWF Howard2secNeck AWF E LongJigt AWF E LongJigF AwF Mini_compare2 AWF E Mini_compare AWF File name Howard AW X Files of type Actiwatch fast AWF y Cancel l Open as read
47. nts for programmable electrical medical systems Electrical and Electronic Equipment Directive 2002 96 EC that manufacturers and or distributors of Electronic and or Electrical Equipment manage and pay for the collection and further handling of WEEE products as well as provide WEEE related information to their customers DZA Waste Electrical amp Electronic Equipment WEEE The EU requires under the Waste CamNtech has taken the following approach to complying with this Directive CamNtech has registered with an approved producer compliance scheme PCS in accordance with the requirements of the WEEE Directive CamNtech will provide free recycling for all of its WEEE products when returned CamNtech WEEE products will be designed with recycling reuse and waste management as a consideration CamNtech WEEE products will be labelled or stamped with the WEEE marking in accordance with European Standard EN 50419 Actiwatch User Manual V7 2 Page 2 Contents A o A re 6 2 Fade Men i tnd ov eect ah nr ames enn ocean Sagres enn 7 Dede AsOad Mo E O O oot ici ced 7 Pll 1 Ei 0 0 0 os ete Mee a ap T N T 7 21 2 AWD files iii dia 7 PAE S TA E T E E tas S 8 2 1 4 AWF Plot on screen controls oooooonoccnocinocococncnoncnanononncnnnonononnn non ncnoncnnnnnnnos 9 Dede A I EEA E 10 2 3 AMES o e dl e O E DL 10 24 Edd ii ds 12 2 5 Proper eS fas sos aeta e eaer e oarra aee e rh Mis antes aa Bee Paea tese tna 13
48. o allow the user to look for periods of activity below a user definable threshold Clicking on Nap Analysis from the main menu brings up the following screen Nap Analysis OBS File Markers Copy Identity brian Age 57 Sex M Start date 22 April 1997 Tue Interval 1 00 Start Time 09 38 Day Scale 3219 Tue 22 Apr 1997 Wed 23 Apr 1997 E a Y gt af J _ gt Analysis end Minimum Nap CA gt Maximum Nap Cis af _ Sensitivity Lo l gt Nap Details Analysis period Nap number 1 SUE d Length 00 03 00 Start ti Nap number 2 20 Length 00 03 00 ain Nap number 3 20 Length 00 02 00 A Nap number 4 ZN Length 00 02 00 ne e Nap number 5 221 Length 00 04 00 Total 00 14 00 Tine Average 00 02 48 Total Average epoch 1 Hr average 7 1 File The File menu allows the user to print the nap summary as shown in the screen shot above 7 2 Markers Selecting Markers displays a list of all the times the marker button has been pressed Further information on the marker button is given in 4 2 of the Actiwatch Guide to Getting Started 7 3 Copy 7 3 1 Nap details Selecting Copy and Nap details copies the information displayed in the Nap Details box as shown in the screen shot above to the clipboard for use in a third party program such as Excel Actiwatch User Manual V7 2 Page 48 7 3 2 Analysis Selecting Copy and then Analysis places the in
49. ocuments Nrosnd awd E Scoredem awd E ScoreMKIdemo AWD Desktop My Documents My Computer File name Howard Aw hd My Network Save as type Actiwatch AWD y Cancel Places This allows the user to save the file currently loaded with the file name required 2 3 Join files It is possible to join two Actiwatch AWD files together It is important to note that when joining files the epoch lengths of the 2 files joined must be the same Ideally the files should also be from the same Actiwatch To join two files it is necessary to follow the following steps e Firstly load the earlier of the 2 files to be joined this must be the file with the earlier date e Selecting File and then Join files brings up the following screen Join files File 1 Remove Complete Blank Days Identity brian Identity No of epochs Date 22 Apr 1 997 Date mm dd yy 10103 Time 09 38 00 Time hh mm ss OK Epoch 01 00 Mins Epoch 00 00 Cancel Actiwatch User Manual V7 2 Page 10 e Clicking on Load then lists the files available for joining to the previously loaded file e Selecting the tick box Remove Complete Blank Days brings up the following message When this option is selected complete blank days are removed and part days are filled with zeros to maintain timing If this option is selected then the 2 files will be displayed sequentially ignoring the start date of the second file
50. oonnnninconnnnnonnnonnnonnconnconnononcnonncnnncnncnanonannnnss 56 9 1 5 Downloading data from the ActiLight o ononnnnnnnninnnnnnnoncnnnnccnnncncnnos 57 9 1 6 Loading data from the ActiLight oooooooccnnnonoccnonnconncnoncnonnnonncnononanonononnnos 57 9 1 7 Changing the ActiLight battery ooooconnnnninnnionononcconcconnnonncnononanccanncnnnnnnos 58 10 Options Medina A E te on 59 LOSE Eae aia ni ca unidad esntaid 59 11 Technical Appendix ae A eee amos bl ed ae o MA o 60 11 1 Sensor calibration and reproducibility ooonnoccnincnonnnonconncconononononnnanccooncnannronncnnos 60 11 2 How does the Actiwatch work ceccesccsesesecseceseesecseccececsceeecseeneceeceeneeeeenaeess 60 11 2 1 Activity Counts sinnini a Sai a aa 60 11 2 2 O TE 62 11 2 3 ACV da a o 63 11 2 4 Total Activity SCOE incasii ii inini aens 63 11 2 5 VEIA 63 11 2 6 Mean Activity Score in Active Periods oooooonccnonnnonnnonncconocannnonccnnncnos 63 11 3 Sleep scoring algorithm 0 cccccccccscseseessecesecsecsseeeeeceecsseceeeeeeeneesseesteeeeeeaes 63 ATA gt Time RE a a dd Dash ad DR wad A tl STs 64 11 5 Sensitivity settings lion ideada 65 116 Shock A sasassdeasnaveseessseasdecdeatense S 65 VET Temperature Tane oien A iia 65 11 8 Changing the battery Actiwatch AW4 and AWD oooonncnccnnnnciccnnononnconnnnncnncnnnonos 65 1139 Trouble Shootings ec as ia 67 Actiwatch User Manual V7 2 Page 5 1 Introduction The Actiwatch Use
51. opy function allows the user to copy the data in one of three ways e Raw average data copies the raw average data for the selected days of the recording e Smoothed data copies the processed data if smoothing has been applied to the raw data e Statistics copies a summary of the statistics shown at the bottom of the screen Actiwatch User Manual V7 2 Page 29 An example of each type of copied data is shown below Brian Raw average Brian Smoothed Brian Statistics 00 00 00 67 00 00 00 37 Average 221 9 00 01 00 0 00 01 00 35 Deviation 189 1 00 02 00 46 00 02 00 34 Cosine 13 36 Light 00 03 00 0 00 03 00 32 Ave 341 1 00 04 00 0 00 04 00 30 Dark Ave 102 7 L D 00 05 00 1 00 05 00 28 Ratio 3 3 4 5 1 2 Display If a light file is loaded then it is possible to select to view just the average activity data or just the average light data 4 5 1 3 Select Days Clicking on Select Days brings up the following screen Actogram Average File Copy Display EGSA Smoothing Age 57 Sex M Interval 1 00 RERERAEE la Activity Light Average 221 9 Variance 189 1 Activity Average Light 341 137 Cosine Peak 13 36 Activity Average Dark 102 692 Smoothing time constant 30 MIN Light Dark ratio 3 322 Actiwatch User Manual V7 2 Page 30 This allows the user to select the days for inclusion in the graphical analysis 4 5 1 4 Smoothing It is
52. pre and post reference times and is shown on the top of the screen shot above 6 4 2 Pre reference This is set to define the pre reference analysis period It can be set up to 24 hours before the reference time Actiwatch User Manual V7 2 Page 46 6 4 3 Post reference This is set to define the post reference analysis period It can be set up to 24 hours after the reference time 6 4 4 Find marker If the marker button has been used to mark the reference time the Find marker control can be used to load the reference time 6 4 5 Histogram period The histogram period is user selectable and a value greater than 1 min can be selected The activity data is averaged for the epochs in the histogram period 6 4 6 Activity display When the Activity display box is ticked the activity data is displayed in black as shown on the screen shot above If this is un ticked then the activity data is not displayed 6 4 7 Histogram display When the Histogram display box is ticked the histogram data is displayed in red and green as shown on the screen shot above If this is un ticked then the histogram data is not displayed 6 4 8 Autoscale Leaving the Autoscale box ticked allows the software to best display the data loaded It is recommended that this box is left ticked Actiwatch User Manual V7 2 Page 47 7 Nap Analysis Menu The Nap Analysis section of the Actiwatch sleep and activity software is designed t
53. r Manual is designed to be read in conjunction with the Actiwatch Guide to Getting Started Both the User Manual and the Guide to Getting Started are supplied on the Actiwatch software CD The Guide to Getting Started is also supplied in printed form with each copy of Actiwatch software supplied The Guide to Getting Started contains all the information required to enable the user to install the Actiwatch software and to setup and download an Actiwatch It also contains an overview of the Actiwatch range and analysis options The Actiwatch User Manual is a detailed guide to the Actiwatch software and covers the functionality of that software tab by tab Actiwatch User Manual V7 2 Page 6 2 File Menu 2 1 Loading Files In order to view or analyse an Actiwatch file the relevant file has to be loaded Selecting File and then Load brings up the following screen My Recent E Nrolight awd Documents E Nrosnd1 awd El Scoredem awd E ScoreMKIIdemo AWD File name Howard AW v D gt My Network Files of type Actiwatch AWD y Cancel HEEE I Open as read only This shows all of the available files which can be viewed or analysed The default file path for storage of Actiwatch files is within the Actiwatch Sleep 5 7 folder For further details on saving Actiwatch files please see section 2 2 Clicking on the required file and then selecting Open or double clicking on the required file will load it i
54. red in the unit This should ONLY be done if the data in the ActiLight has been downloaded and is no longer required as this procedure will erase any data stored in the ActiLight NB This battery changing procedure is the same for the Actiwatch Mini Details of the battery changing procedures for other Actiwatches are given in the Technical Appendix Actiwatch User Manual V7 2 Page 58 10 Options Menu 10 1 Full Menus The default setting is for the software to display full menus as shown in the screen below A Sleep analysis File Reader Actogram Sleep Analysis Activity analysis Nap Analysis Light analysis Options Eien pe Files Actiwatch Sleep 7 demodata awd Start Date 22 Apr 1997 User ID brian Start Time 09 38 00 Age 57 Sex M Logged samples 10103 Watch Serial No P401259 Epoch length 01 00 Mins Watch Type Activity light Plus Selecting Options and then un ticking Full menus will give the following alternative menu options A Sleep analysis File Reader Activity analysis Options Actiwatch Activity amp Sleep Analysis 7 Copyright CamNtech Ltd Version 7 28 Beta Actiwatch gt Data File _ View data En ml a ee _ Setup Save Nap Light User ID Please note it is recommended that full menus are used wherever possible Actiwatch User Manual V7 2 Page 59 11 Technical Appendix 11 1 Sensor calibration and reproducibility All Actiwatches
55. red light file and the select Open Repeat the procedure to add the desired activity file This will bring up the following message Do you want to add this activity data to the existing light data Selecting Yes will combine the activity and light files They can then be viewed in the Activity and Sleep Analysis Software For full details on analysing a combined activity and light file please see section 9 Actiwatch User Manual V7 2 Page 57 9 1 7 Changing the ActiLight battery The battery in the ActiLight is changed by removing the three screws in the back plate The battery is a lithium ion CR1220 which will give 500 days use in normal operation Replacement batteries are available from CamNtech Please contact CamNtech for up to date availability and pricing information The replacement battery is fitted with the writing upwards It is necessary to update the battery fitted date in the software when the battery has been replaced This is done by clicking on the battery fitted date screen during setup The following message will be displayed New Battery A Use this Function to reset date when a new battery has been fitted Do you wish to reset the date Selecting Yes will load the current date and the battery life remaining will be reset to 500 days Please note that it is necessary to send this information to the ActiLight after resetting the battery fitted date in order to update the information sto
56. rn as detailed above Please note that the recording time is dependent on the epoch selected The available recording times are as follows Epoch Total Recording Length Time 15sec 11 3 days 30sec 22 5 days 1 Min 45 days 2 Mins 90 days 5 Mins 225 days 10 Mins 450 days 15 Mins 675 days Actiwatch User Manual V7 2 Page 56 Please note that when selecting a 15 Min epoch the total recording time is limited by the battery life rather than by the memory available Total battery life is 500 days of normal use Instructions for changing the battery are given below 9 1 5 Downloading data from the ActiLight Having placed the ActiLight on the reader and ensured that the reader LED is lit in red selecting Reader and then Read will download the data stored in the ActiLight Once downloaded the data can be stored under the desired file path 9 1 6 Loading data from the ActiLight Important If data from the ActiLight is to be combined with data from the Actiwatch the ActiLight data must be loaded first To load and combine an activity and light file select File and then Load This brings up the following screen My Recent E Nrolight awd Documents 3 Nrosnd1 awd E Scoredem awd E ScoreMKIIdemo AWD My Computer e File name Howard AW Open D My Network Files of type Actiwatch AWD Cancel Places Open as read only Select the requi
57. s Menu The activity analysis section of the software is designed to allow the user to analyse a period of activity in more detail It is ideal for examining activity pre and post administration of a drug or therapy Up to 24 hours prior to and following a reference time can be analysed 6 1 Analysing a file using Activity Analysis Selecting Activity Analysis brings up the following screen Activity Analysis DER Eile Copy Identity brian Histogram IV Autoscald 551 3000 400 2000 1000 200 0 0 08 47 y Activity y Histogram 12 47 display display Define window Histogram analysis a a Histogram period ped tp ee i y i 22 Apr 1997 p5 4 02 34 to Uo Reference time 10 47 trol Pp 00 05 08 57 to 09 02 3 09 02 to 09 07 Pre reference 02 00 fincludes reference 09 07 to 09 12 09 12 to 09 17 wl Post reference 02 00 aai 09 17 to 09 22 In order to analyse a file it is necessary to set the following parameters e Reference time either set from the scroll bar or by clicking on Find marker e Pre reference time set by the scroll bar e Post reference time set by the scroll bar e Histogram period set by the scroll bar Once these parameters have been set the average activity per epoch within each histogram period is shown in the box on the lower right hand side of the screen 6 2 File Allows the user to close the Activity Analysis window Actiwa
58. ser When this function is enabled it is not possible to alter these parameters during the Actiwatch setup procedure Actiwatch User Manual V7 2 Page 14 3 Reader Menu 3 1 Comms Select Reader and then Comms from the main screen A Sleep analysis File GESEH Actogram Sleep Analysis Activity analysis Nap Analysis Light analysis Options i Read Write Test Actiwatch Cal Activity Ny ork VB Sleep Working demodata awd Recover data Start Date 22 Apr 1997 User ID brian Start Time 09 38 00 Age 57 Sex M Logged samples 10103 Watch Serial No P401259 Epoch length 91 00 Mins Watch Type Activity light Plus The following form will be shown USB Serial control m Comm Pott r USB reader i C Port C Pot C Por8 I USB reader enabled Dea Port9 C Pot4 Por10 E REO Boral C Pot6 S Port12 ListDevices failed Received character count J 0 Transmitted character count J 0 It is important to ensure that the USB reader is correctly installed before attempting to either set up or download an Actiwatch For further information on installing the USB reader please see section 2 7 to 2 10 of the Actiwatch Guide to Getting Started 3 2 Read For full details on using the Read function please see section 5 of the Actiwatch Guide to Getting Started 3 3 Write For full details on using the Write function please see section 3 1 of the Actiwatch Guide to Getting Started
59. stem However some easily solvable problems may occur examples of which are given below l Reader red light does not come on when the Actiwatch is placed on it and or the PC will not communicate with the Actiwatch Check the Communication links is the correct COM port selected Is the Actiwatch on the Reader in the correct orientation make sure the hole on the base of the Actiwatch and the dot on the Reader are in the same position whilst Reading If an Actiwatch Mini or an ActiLight is being used the arrow should point upwards indicating correct orientation Try sliding the Actiwatch up the Reader away from the grey rectangle Are there any communication conflicts on the host PC Does the battery in the Actiwatch need changing Is the Actiwatch placed Plastic Lid side down i e is the ID number visible The PC will not let the user access the Software Is the COM port being used by another application Has the host PC sufficient free memory available to run the software If there are any other problems with the Actiwatch system or for any technical queries please contact technical support Telephone 44 0 1480 831223 admin camntech co uk For any other information on the products described in this Manual or other queries please contact CamNtech using the details provided at the front of this manual Actiwatch User Manual V7 2 Page 67
60. tch User Manual V7 2 Page 55 9 1 3 Wearing the ActiLight The ActiLight can be worn anywhere on the body or clothing There are 2 mounting options available It can be supplied with a fixing hook as shown in the picture above which allows the unit to be either pinned to clothing or affixed to a chain which can be worn on the neck It can also be supplied with a wrist mount option for wearing with a strap similar to the Actiwatch Mini If ambient light levels in for example a bedroom are required then the ActiLight can be placed face up on a flat surface for maximum light capture 9 1 4 Setting up the ActiLight The ActiLight is set up from the Actiwatch Activity and Sleep Analysis Software Please note that software version 5 52 or later is required for correct operation of the ActiLight Select Write from the Reader menu to display the set up parameters The user then needs to input the following subject data e User identity subject identifier e Start date can be up to 7 days in advance Start time e Epoch length variable between 15 Secs and 15 Mins e Gender Age Once all of the above parameters have been entered selecting Send will send the parameters to the ActiLight When the ActiLight has successfully been set up the following message will be shown i Actiwatch verified amp ready Recording will begin 11 03 2007 13 21 Click OK and then remove from reader The ActiLight can then be wo
61. tch User Manual V7 2 Page 45 6 3 Copy 6 3 1 Histogram data This option copies only the histogram data in counts No time data is displayed An example of copied data is shown in column A below 6 3 2 Times and data Selecting Copy and then Times and data copies both the histogram data in counts and the time covered by the histogram period An example is shown in column B below 6 3 3 Activity data Selecting Activity data copies the activity data for each epoch along with the time of the epoch An example is shown column C below 6 3 4 Daily activity data Selecting Copy and Daily activity data copies the time stamped activity data for each epoch for each day An example is shown in Column D below 6 3 5 Examples of copied activity data A B C D 22 Apr 23 Apr 24 Apr 25 Apr 415 10 02 to 10 07 415 10 00 00 415 10 00 00 415 0 245 237 297 10 07 to 10 12 297 10 01 00 554 10 01 00 554 0 245 45 367 10 12 to 10 17 367 10 02 00 429 10 02 00 429 0 228 47 198 10 17 to 10 22 198 10 03 00 813 10 03 00 813 0 280 70 269 10 22 to 10 27 269 10 04 00 289 10 04 00 289 0 163 110 269 10 27 to 10 32 269 10 05 00 280 10 05 00 280 4 330 207 206 10 32 to 10 37 206 10 06 00 262 10 06 00 262 6 186 245 190 10 37 to 10 42 190 10 07 00 245 10 07 00 245 6 299 609 170 10 42 to 10 47 170 10 08 00 280 10 08 00 280 6 341 309 6 4 Activity Analysis on screen controls 6 4 1 Reference time This is set to demarcate the
62. the Actiwatch is OK then replace the other 3 screws and the Actiwatch is ready for use 9 If the Actiwatch does not operate then try steps 2 to 7 again with the same battery 10 If this does not work then leave the battery in the Actiwatch for 10 minutes then re test the Actiwatch After the battery change has been carried out check that the memory length of the Actiwatch is correct if it is not replace the battery and test again If after changing the battery the user finds that the Actiwatch appears to have stopped functioning then it is likely that on insertion an electrical contact between the Actiwatch base and body has been rapidly made and then lost again This will have caused the microprocessor in the Actiwatch to crash causing the apparent malfunction Please remove the battery and replace it again and the Actiwatch will start working normally Please contact CamNtech technical support if the problem persists NB The procedure for changing the battery in the ActiLight and Actiwatch Mini is different from this procedure and is detailed in section 9 1 7 The battery in the AW7 is a sealed unit which gives up to 8 years of continuous use After this period the unit can be returned to CamNtech for battery exchange Please contact CamNtech for up to date pricing on this option Actiwatch User Manual V7 2 Page 66 11 9 Trouble Shooting CamNtech is confident that the user should have a trouble free time when using the Actiwatch sy
63. ty data File Copy 2500 2000 1500 1000 swo fi mE 0 II Lul a ul aul 00 55 02 55 04 55 06 55 08 55 10 55 14 55 16 55 18 55 il 55 22 55 00 55 Display Center 125519May 2003 eee 2003 Display Width 24 Hr ki J El al ue It is possible to alter the following parameters and perform the following functions e Display centre marked by the central line above e Display width defaults to 24 hours but adjustable between 24 hours and 5 minutes e Selecting File and then Print allows the user to print the expanded data e Selecting Copy copies the data from the expanded display window to the clipboard for use in a third party program such as Excel 4 3 4 Day Selecting Display and then Day allows the user to select either the day of the week or the date to be shown on the left hand side of the Actogram 4 3 5 Activity If a light file is loaded then the option to turn off the activity data and only view the light data will be available by clicking on Activity in the Display tab 4 3 6 Light If a light file is loaded then the option to turn off the light data and only view the activity data will be available by clicking on Light in the Display tab 4 3 7 Change Epoch Selecting Change epoch brings up the following screen Actiwatch User Manual V7 2 Page 26 Change Epoch SEE 0 25 mins 0 5min Y Y 5 2
64. ty scale e Zero Start day Start time Time bars on off e Graticule on off e Length 20 days 60 days auto e Single day dual day plot as default e Day date displayed as default 4 2 Copy It is possible to copy parts of the Actogram either a day at a time or in a block of 7 or 14 days To do this click on the Actogram to the left of the required day as shown below Actogram File Copy Display Options Graphs Markers Light On Identity Cursor brian A 06 00 Start date 22 Apr 1997 Tue 00 00 39 00 K E y Light Off Start Time 09 38 Kil a Mark start Redraw Actiwatch User Manual V7 2 Page 21 The required day is highlighted in blue It is then possible to access the Copy menu Selecting Copy brings up the following options e Single day copies activity data for the selected day to the clipboard e 7 days copies activity for the selected day and the following 6 days e 14 days copies activity for the selected day and the following 13 days 4 3 Display 4 3 1 Redraw Selecting Redraw re displays the Actogram for the file currently loaded This function is duplicated by a button on the left hand side of the Actogram screen 4 3 2 Length Selecting Display and then Length allows the user to select the number of days displayed in the Actogram The options are e Auto this is the factory default setting and is recommended by CamNte
65. u The Actogram menu allows the user to view a visual display of the activity rest patterns over the entire length of an experiment The identity sex age start date start time age gender and epoch are displayed at the top of the screen The Actogram can either be shown as a single day or dual day plot Which of these is shown by default can be selected from the properties menu see section 2 5 For further information on single and double day plots please see section 4 3 3 The double day plot Actogram as shown in the example below is particularly useful for the visualisation of data collection over a long time period such as in chronobiological experiments Actogram File Display Options Graphs Markers Light On Identity brian 57 Sex M ge 0600 Start date 22 Apr 1997 Tue Interval 1 00 Te E Start Time 09 38 Light off 18 00 q ple Activity Scale 0 JE ight scal WearThu issu cule al AA Alca al Jul 06 00 12 00 18 00 00 00 06 00 12 00 18 00 00 00 ThuFri ilti caida Lai lt rwa oat il Redraw Fri Sat aa decidas ili Jo dd illes talla oy ctf e satiSun tod bio ddudil TueWed iiu Ll da sunMon uhat malkl ast l MN crea uand Mahal Monue ue uuan hajh l an OA dl Actiwatch User Manual V7 2 Page 17 4 1 File 4 1 1 Load Selecting File and then Load brings up the following screen El Insomnia Demo AWD My Recent si Nrolight awd Doc
66. uments El Nrosndi awd l Scoredem awd E ScoreMKIIdemo AWD My Network Files of type Actiwatch FAwD Se Places Open as read only File name Howard AW It is then possible to select a file for viewing by double clicking on it 4 12 Edit data Selecting File and then Edit data brings up the following screen Edit data file DAR Day 1 Tue 22 Apr 1997 Stat 2 00 00 End 00 00 AV Replace Activity With Zero C Day Average 41 C Fixed Value 0 JW Replace Light With Zero C DayAverage 0 C Fixed Value 0 Replace Data Exit It is then possible to edit the Actiwatch data Full details are given in section 2 4 Actiwatch User Manual V7 2 Page 18 4 1 3 Colours If a light file is displayed it is possible to change the colour in which the light data is displayed For full details on using light files please see section 8 on Light Analysis Selecting File and then Colours brings up the following screen w Colours Select colour for Light Plot Current Colour Yellow The default colour is yellow Selecting a different colour and clicking on OK will change the colour used to display the light data 4 1 4 Print Selecting Print from the file menu brings up the following screen Actogram printout Print start day Cai al gt Number of days Ce W I Days per page ia al gt Confirm Cancel This a
67. vity score in an epoch of 40 or more is sufficient for that epoch to be scored as awake When auto sensitivity is selected the software makes a direct relationship between the subject s activity level and the threshold above which an epoch is scored as wake The sensitivity setting should not be changed unless there is a good reason to do so If the sensitivity setting is changed during sleep analysis the previously calculated data is cleared and a warning will be flagged 11 6 Shock resistance Severe shocks generate very high g forces which can damage sensors and can affect the calibration if the sensor is mechanically displaced The new surface mounted technology used in the AW7 and the Actiwatch Mini minimises considerably both the risk of damage and the effect on the calibration Tests which CamNtech has conducted have shown that after dropping an AW7 onto concrete from a height of 2 metres the calibration was unchanged and the sensor was undamaged Care should be taken with the Actiwatch AW4 and Actiwatch Light as these models although robust are not as resistant to shock as the AW7 and Mini 11 7 Temperature range All Actiwatches in the range are suitable for operation in the temperature range 10 to plus 40 degrees centigrade 11 8 Changing the battery Actiwatch AW4 and AWL Under normal circumstances and usage the battery life of the batteries supplied in the Actiwatch AW4 and AWL units CR2025 a 3 Volt 150 mAmp hour Lit

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