User`s Manual - B&H Photo Video
Contents
1. 33 TRIM Potentiometers 34 Camcorder Settings 35 Low Noise Performance 35 Dynamic Range 35 AGC Disable DT454 only eere erroe eere nene nun 36 TONE 37 Safety Mode Noise 37 Metering Setting the Appropriate Gain Trim Levels 39 Headphone 41 Playback Headphone Monitoring 1er eee eoe 41 Advanced 43 Post Production Removing Right Track 07454 only 43 AppendiX eme 452. 13 DT414 Bottom 14 DT454 Bottom 15 Front Panel Switches 16 Side Back 5 17 Bottom Switches 18 Included Items corro eurer maur uasa una 20 Accessories 20 Block Diagram Basic 21 Basic 22 Mounting to 22 Mounting to
3. 23 Output Connection to 24 Powering 25 Alkaline Battery 25 Rechargeable Batteries 25 Input Connections 26 TIP L RING R Unbalanced 26 XLR L XLR R Balanced 27 XLR L XLR R with Unbalanced Sources Wireless Etc 27 Page 2 www juicedLink com Phantom Power 07454 28 MIC LINE 30 MONO STEREO 5 31 NORM DT454 only 32 GAIN 1
4. User s Manual DT414 No Phantom Power No AGC Disable DT454 XLR Adapter Preamplifier Canon X R Pose AGC x mota 2011 juicedLink LLC ENGLISH All Rights Reserved DT414 DT454 User Manual Rev1 12 Click heading to jump to page Contents p 2 Read This FirSt ssss2222 4 Warnings General 4 Notes Regarding Specific Cameras 5 Canon 5D Mark II GOD 5 60D and 5DMKII Firmware Release 2 0 4 and Later 5 MagicLantern 3 Party Firmware for 6 Canon T2i 7D 1D Mark IV DT454 Only 8 Nikon 03005 DSS DRE DRE M n 10 General e 12 Features lt 12 Switch Panel Descriptions and 13 5
5. lt gt lt Line Mono Stereo e 20 O1 J TN 0 2 2 2 4 j 3 9 v H 8 Read the instruction manual www juicedLink com Made in USA Page 14 Omissions Suggestions Contact Us www juicedLink com DT454 Bottom INPUT RING XLR R 5 Mc Ff Line e 1 10 o LE 8 2 iw gw s Pan toL Norm 2 2 g w 2 T 8 Meter HI for AGC DIS or if camera gain be throttled back X CE www juicedLink com Made in USA Return to Contents Get notified on User Manual and product updates Page 15 Subscribe at http www juicedlink com blog index html Front Panel Switches DT454 XLR Adapter Preamp AGC Disabler XLR L RING R PHONES NON j Playback Monitor Operation turn PHONES down all the way PHONES LOW OUT BATT MIC LEVEL vol control using TIP L RING R MONO 1 ON OFF switch PWR indicator LED LOW low battery indicator LED 2 TRIM controls for XLR L and XLR R microphone or line input channels 3 TRIM controls for TIP L and RING R microphone or playback monitor input channels 4 Left L and Right R channel signal level meters 5 Output OUT at an amplified mic level which connects to the microphone input of your camera through a st
6. not hit or infrequently hit the 4 red LED But the correct meter settings for the corresponding situation must be used The bottom of the unit has a METER switch The METER LO position has been calibrated for a typical camera with its AGC in operation When you want to optimize dynamic range instead of noise performance then you will want to take advantage of the camera s AGC See the Dynamic Range Performance section for more details The METER HI position has been calibrated for a typical camera using one of the AGC DISABLE approaches or a camera whose gain has been manually throttled back See the Low Noise Performance and AGC Disable sections for more details There are exceptions to these general rules Different camera platforms have different gain lineups and require adjustment of the meter Check to see if your camera is listed in the Notes on Specific Cameras section This list includes Canon 5D Canon T2i 7D 1D Mark IV Get notified on User Manual and product updates Page 39 Subscribe at http www juicedlink com blog index htm For camera which has manual control throttling the gain to about 1 3 full gain is a good place to start Different cameras may have a different sweet spot for lowest noise performance with decent dynamic range You will have to conduct some recording tests to experiment Some cameras do not have a meter and only coarse granularit
7. Return to Contents e Get notified on User Manual and product updates Page 21 Subscribe at http www juicedlink com blog index html Mounting to Camera 07454 XLR Adapter Preamp AGC Disabler XLR L XLR R RING R PHONES v FE ack Monitor Operation LOW ira PHONES down all the control using TIP L RING R on t OUT MIC LEVEL Use the 1 8 Hex Key included Insert the Hex Key into the bottom of the 14 20 mounting screw and rotate the mounting screw into the 14 20 threads in the base of the camera The Hex Key provides leverage so the 14 20 mounting screw can be secured tightly Return to Contents Page 22 Omissions Suggestions Contact Us www juicedLink com Mounting to Tripod INPUT TIP RING XLR L XLR R 2 2 Mic H gt Stereo Pan to L Norm 1 ON OFF XLR R INPUT OG Meter HI for AGC DIS or if camera galaan be throttled back B Read the instruction manual www juicedLink com Made in USA d d JOWUOWy xoeq ejd 20 O1 v 2 o 5 o 8 5 9 D 2 5 9 3 S Approx size of Manfrotto quick release mounting plate 20 Threads The bottom of the DT has 1 20 threads for mounting to the top of a tripod or other device Typically users will mount their equipment to a quick release p
8. AGC Disable to get better SNR from cameras without manual control DT 454 only o 30dB low noise max gain single ended stereo This is even more available max gain than the CX family of preamps This is additional gain is very valuable with the new Canon 5D 2 0 4 firmware release as well as MagicLantern users Headphone amplifier Playback Monitor 48V phantom plus 12V phantom power saving mode DT454 only Low noise preamp see THAT1512 datasheet for details on XLR preamp Power Single 9V Alkaline or Li polymer battery not included See Powering Section for more details o Mechanical Black Anodized Aluminum enclosure for EMI protection and rugged use Mounts to bottom of camera and top of tripod Case Dimensions 4 5 x 3 2 x 1 5 Weight 10 ounces no battery o Includes Stereo 3 5mm miniplug cable 1 8 Allen wrench key O Features and Specifications are subject to change without notice Return to Contents Page 12 Omissions Suggestions Contact Us www juicedLink com Switch Panel Descriptions and Photos Photos DT454 XLR Adapter Preamp AGC Disabler TIP L RING R PHONES hy ot dea back Monitor Operation PHONES down all the way vol control using TIP L RING R MONO Get notified on User Manual and product updates Page 13 Subscribe at http www juicedlink com blog index htm DT414 Bottom INPUT TIP RING XLR L XLR R 5
9. Subscribe to the juicedLink 45 Care and Maintenance 45 Warranty Service and 45 Compliance 45 DT414 DT454 XLR Adapter Preamplifier Page 3 Before operating the unit please read this manual thoroughly Any future revisions will be posted on the website and available for download Get notified on new revisions of this User Manual product updates new product releases and tutorial videos Subscribe to the blog www juicedlink com blog index html Notes regarding documentation in this manual are as follows References to markings labels on the unit are denoted in underline bold For example HPF Warnings will be preceded with WARNING Warnings General WARNING Failure to read and observe notes and warnings may result in personal injury and or possible damage to this device and your other equipment This device as well as any device with a headphone amplifier is capable of driving the signal at levels that can be damaging to hearing Always operate the headphone volume at the lowest practical level Do not wear the headphones over your ears in any of the foll
10. a solution for everybogy However MagicLantern provides for even more control than the Canon firmware does It has meters that are always visible so those will be the final arbiter for level settings It allows you to control the camera s analog gain the Canon firmware throttles back the digital gain so you can achieve even lower signal to noise performance with a 5D running MagicLantern being fed by juicedLink low noise preamplifiers Since the DT has even more available gain than the juicedLink CX family of preamps the 5D analog gain can be set to OdB gain for even lower noise performance than was even achievable before Page 6 Omissions Suggestions Contact Us www juicedLink com That said most people will find that the performance with the Canon 2 0 4 firmware is more than sufficient for quality audio performance This will be your typical DT setup while using MagicLantern 1 SETUP OF DT this does not provide a guide of MagicLantern settings a Set the AGC Disable switch to the OFF position DT454 only b Set PAN TO L NORM switch to the NORM position Since AGC Disable is not used DT454 only c Since MagicLantern has its own built and meters you will not be using the METER on the DT you ll simply ignore them 2 WHILE RECORDING a Adjust the GAIN and TRIM volume potentiometer settings on the 01454 to keep the peaks below the red region of the MagicLantern meter displayed on the 5D b The other settings phantom po
11. more power efficient for the system and will result in longer battery life In some cases there are differences in the mic performance between phantom power and battery power But these differences are negligible and mostly have to do with the maximum SPL handling capability of the microphone which is not a very important parameter for general use e Check out more information about battery life in the Powering section Return to Contents Get notified on User Manual and product updates Page 29 Subscribe at http www juicedlink com blog index htm Switches RING Pan to Norm p O 5 m 22 lt i gt O m d 10 21 10 ONIY The LINE position inserts 40dB attenuator before the preamps in the XLR L and XLR R signal chains For typical microphone use the MIC position is selected Return to Contents Page 30 Omissions Suggestions Contact Us www juicedLink com MONO STEREO Switch INPUT TIP RING Mic eine SU Pan to L Norm O o 2 i gt o d 10 SW 10 ONIY As illustrated by the Block Diagram the STERO switch position keeps the right and left signal channels independent from each other and presents them to the corresponding right and left output connections of the OUT minijack The MONO switch p
12. signal into the right recording track of the camera This leaves the left track clean for recording disable signal Right Track clean audio Left Track As such you will NOT be able to use the right track of the camera to record your microphones In post you will need to delete the right track of audio containing the disable signal 1 Sony Vegas a Right click on the audio track b Select Channels c Select Left Only for the final mix 2 Final Cut Express a Delete the right track i Modify Link to unlink the audio from video li Modify gt Stereo Pair to unlink the right and left audio tracks iii Use mouse and select the right track iv Delete the right track b Copy the left track to the right track position i Make sure the Auto Toggle icon the icon to the right of the lock audio track icon for the right track is the only Auto Toggle icon activated Use mouse to select the left track iii Copy iv Paste Since the right track is the only track with the Auto Toggle icon activated it will paste into this track v You may need to select the right edge of the pasted audio track and expand stretch the track to fill the rest of the timeline 3 Final Cut Express Alternate Insructions a Delete the right track Get notified on User Manual and product updates Page 43 Subscribe at http www juicedlink com blog index htm i Drag clip into timeline and select it with your mouse ii MODIFY gt LI
13. IM potentiometers on the DT which do not have a microphone connected to its input If your camera does not have manual controls then see the Disable DT454 only section for more details Dynamic Range Performance When you are in an unpredictable signal level environment say a birthday party where kids could suddenly scream then it is best to utilize the AGC in the camera to provide you with the widest dynamic range of overload protection Fortunately in such environments like a birthday party the ambient noise level is high enough where you do not need to push your equipment to achieve its best available signal to noise performance anyway Use the camera s automatic AGC setting and set the METER to the LO position See the Metering section for more details as there may be exceptions Return to Contents Get notified on User Manual and product updates Page 35 Subscribe at http www juicedlink com blog index htm Disable 07454 only OFF OFF LO Stereo Pan to L Norm JOWUOW xoeqKeld 10 01 OFF Tone Noise Disable 79 22 2 G J 79 O m x j O m gt For cameras which do not have any manual override of their AGC Automatic Gain Control the DT454 offers 2 methods to defeat the AGC Signal to noise is improved when noisy camera amplifiers are throttled back and the noisy camera gain is repl
14. M volume potentiometer settings to keep the peaks below the red LED of the Meter d The other settings phantom power etc operate like any typical mixer c POST PRODUCTION a Refer to the section Post Production Removing Right Track to remove the AGC Disable noise signal from the right recording track to leave you with the clean recorded left track The AGC Disable technique yields very good results and is a vast improvement beyond the camera s standard noisy performance However you should know that it will not be quite as good as a camera which already has manual gain control On our website you will find videos demonstrating the performance improvement of the AGC Disable technique Special note regarding Canon Cameras and Noise AGC Disable 1 The microphone input on the camera does not get activated until the camera begins to RECORD for the first time 2 Until you hit RECORD and activate the microphone input you will hear noise in the DT454 headphones Once you hit RECORD the noise in the headphones goes away and doesn t return until the camera power gets cycled 3 After the camera power gets cycled you will need to hit RECORD again to eliminate the noise in the headphones Return to Contents Get notified on User Manual and product updates Page 9 Subscribe at http www juicedlink com blog index htm Nikon 03005 035 Different camera platforms with varying gain lineups and firmware implementation
15. NK to unlink the audio from the video ii MODIFY gt STEREO PAIR to unline the right and left audio tracks iv Use mouse to select and delete the right track b Pan the left track to center i Select double click the remaining left A1 track Pan should currently read 1 iii Click the slider and move it towards the center so it reads 0 v Enjoy your clean audio Return to Contents Page 44 Omissions Suggestions Contact Us www juicedLink com Subscribe to the juicedLink Blog Get notified on new revisions of this User Manual product updates new product releases and tutorial videos Subscribe to the blog www juicedlink com blog index html Return to Contents Care and Maintenance There is no specific maintenance regimen recommended Return to Contents Warranty Service and Returns The design of the juicedLink family of ultra portable mixers is uncompromising in quality and performance and utilizes top grade professional components We are proud of our product and are committed to servicing you to make your customer experience positive The Policies page on the juicedLink com website describes the details of the conditions for returns limited one year warranty and instructions for obtaining service for your product Return to Contents Compliance This device falls under the classification of FCC part 15 subpart B section 15 103 Please refer to the FCC part 15 manual for details on condit
16. The DT has facilities for individual control of 4 audio inputs TIP L RING R Unbalanced Input For details regarding Playback Monitoring see the Playback Monitoring section The TIP L RING R is an unbalanced stereo minijack input with individual TRIM controls for each enabling two separate microphones to be controlled and used Unless otherwise reconfigured by the PAN L DT454 only or MONO switches TIP L is routed to the left output channel and RING R is routed to the right output channel This is illustrated in the Block Diagram section Multi channel wireless microphone systems with separate microphones on the miniplug ring tip output will interface directly into the TIP L RING R minijack input Unbalanced mics such as the Rode VideoMic Stereo VideoMic also interface directly into the TIP L RING R minijack input There may be occasions when you want to connect two mics which have their own mono miniplugs This is easily accomplished with a Stereo 3 5mm Male to 2x Mono 3 5mm Female Y Cable see Hosa part number YMM 261 There may be occasions when you want to connect consumer type devices with RCA unbalanced outputs This can easily be accomplished with a Stereo 3 5mm Male to 2x RCA Female Y Cable see Hosa part numbers YRA 167 and YRA 154 Page 26 Omissions Suggestions Contact Us www juicedLink com XLR L XLR R Balanced Input Unless otherwise reconfigured by the PAN L DT454 only or MONO switche
17. aced by clean gain in the juicedLink low noise preamplifiers This is easily accomplished with cameras having manual control of audio gain see the Low Noise Performance section However some cameras do not have manual control The DT454 AGC Disable feature forces the camera s AGC to throttle back its noisy gain by sending a signal NOISE into the camera s right channel as illustrated by the Block Diagram to improve signal to noise performance The camera senses the presence of a strong signal in the right track and the camera s AGC function then throttles back its noisy gain Page 36 Omissions Suggestions Contact Us www juicedLink com Even with the Disable technique there are limitations in usability performance The technique greatly improves signal to noise performance taking what was unusable audio and providing you with something that you can work with But it generally will not provide as high quality signal to noise performance compared to a camera which already has manual controls Additionally there is a good chance that you will have to abandon one of your recording tracks the camera s right channel where the AGC Disable signal is routed If you have not yet selected a camera we recommend that you consider one which already has manual control of its audio Tone Starting December 2010 the TONE setting is no longer offered supported The TONE switch position is inactive This setti
18. e see Hosa part numbers YRA 167 or YRA 154 So for this setup the cable connections are 1 your camera s AVout RCA cable connected to the camera AVout jack 2 connect the RCA ends of your AVout Get notified on User Manual and product updates Page 41 Subscribe at http www juicedlink com blog index htm cable to RCA of the Hosa cable 3 the minijack end of the Hosa cable into the DT454 TIP L RING R input If the NOISE AGC Disable DT454 only approach was used then simply do not plug in the right red channel since this will be abandoned anyhow Note many cameras will disable the live view display when you insert the plug into the camera s AV out jack So you will be able to monitor your audio clip through the DT However your camera may not allow you to simultaneously watch the clip on the camera LCD display If you are putting together a professional grade rig then you will probably be using an external monitor and you will plug your headphones into that instead of the DT In this case you will have audio together with your video from the external monitor If you are using the NOISE AGC Disable DT454 only approach then simply do not plug in the right red channel into your monitor since this will be abandoned anyhow Return to Contents Page 42 Omissions Suggestions Contact Us www juicedLink com Post Production Removing Right Track 07454 only The NOISE setting injects a broadband uncorrelated noise
19. ereo minijack cable included 6 Headphone PHONES minijack output and volume control Return to Contents Page 16 Omissions Suggestions Contact Us www juicedLink com Side Back Inputs 1 Camera mounting screw 1 4 20 a USE HEX KEY included and insert into the bottom of the screw to rotate the screw into the camera threads to mount to camera 2 9V battery tray 3 Audio Inputs XLR L left and XLR R right balanced mic or line inputs unbalanced capable 4 Audio Inputs TIP L left and RING R right unbalanced mic inputs or playback monitor inputs Return to Contents Get notified on User Manual and product updates Page 17 Subscribe at http www juicedlink com blog index html Bottom Switches INPUT INPUT TIP RING XLR L XLR L XLR R 2 4 Mic 4 B Mono Stereo to L Norm ON JOPUOW JO 01 Disable 79 2 do Q 5 j 79 9 2 w x 3 5 79 5 DIS if camera gain be throttled back Read the instruction manual www juicedLink com Made in USA Page 18 Omissions Suggestions Contact Us www juicedLink com 1 GAIN switch LO for TIP L RING R unbalanced inputs a Use LO setting when input is being used as a Playback Monitor LINE switch settings for XLR L XLR R balanced inputs GAIN switch LO for XLR L XLR R ba
20. es where the low noise preamplifiers are located in the system Note that the two low noise preamps for the TIP L and RING R inputs have their gain settings controlled by one switch so both will either be HI or LO When setting up the user will typically start with the GAIN in the HI position If you find that the correct level settings see Meter section require use of the TRIM potentiometers volume control knobs near the full counter clockwise position where small changes in the potentiometer position result in large changes in signal because of the logarithmic nature of audio pots then you can switch the GAIN to the LO position to get back into the sweet spot of the potentiometer s adjustment range Check out the Metering section for more details for appropriate level settings For Playback Monitor settings see the Playback Monitor Section Return to Contents Get notified on User Manual and product updates Page 33 Subscribe at http www juicedlink com blog index htm TRIM Potentiometers 07454 XLR Adapter Preamp AGC Disabler XLR L XLR R TIP L RING R PHONES OUT MIC LEVEL The Block Diagram illustrates where the TRIM potentiometers volume control knobs are located in the system When setting up the user will typically start with the GAIN in the HI position If you find that the correct level settings see Meter section require use of the TRIM potentiometers volume control knobs near the full counter cl
21. f you have any microphones plugged into the right input channels XLR R or RING R then you must use the PAN TO L switch to route those signals over to the left output channel Although you sacrifice one recording channel the NOISE approach is a much more stable and repeatable technique for AGC DISABLE In post you will need to delete the right track of audio containing the disable signal See the Post Production Removing Right Track for more details Special note regarding Canon Cameras 1 The microphone input on the camera does not get activated until the camera begins to RECORD for the first time 2 Until you hit RECORD and activate the microphone input you will hear noise in the DT454 headphones Once you hit RECORD the noise in the headphones goes away and doesn t return until the camera power gets cycled 3 After the camera power gets cycled you will need to hit RECORD again to eliminate the noise in the headphones Return to Contents Page 38 Omissions Suggestions Contact Us www juicedLink com Metering Setting the Appropriate Gain Trim Levels OFF OFF LO Mono Stereo Pan to L Norm 10 duj YORQAL 10 IW 10 ONIY Whenever your camera has its own meters the camera meters are the final arbiter for the appropriate level settings The meter on the DT will be used so that the signal peaks splash into the 3 amber LED but
22. g You can run the DT meter a little hot Or you can try and get the DT454 calibration a little bit closer to the camera 1 click setting NOTE We have posted a video on our website which may be helpful to illustrate steps in general However please refer to this user Manual for the exact details 1 CALIBRATE THE DT METER a Set the camera gain on the 1 click above off setting b Set the AGC Disable switch to the OFF position DT454 only Set PAN TO NORM switch to the NORM position Since AGC Disable is not used DT454 only d Set the METER switch to the HI position e Connect a mic to your DT and adjust the GAIN and TRIM volume potentiometer settings so that when you speak into your microphone the meter on the camera peaks splash up to the 12 full scale point f Just above the Hl lettering on the bottom of the DT locate small hole in the aluminum enclosure Behind this hole is a potentiometer that calibrates the meter sensitivity for the setting 0 Using a small screwdriver 1 16 adjust the HI METER potentiometer so the 3 LED is illuminated as the camera meter splashes up to the 12 full scale point while you speak into your microphone The meter Get notified on User Manual and product updates Page 5 Subscribe at http www juicedlink com blog index htm has a limited calibration range but you should be able to get the correlation fairly close i From the factory setting you wil
23. ions of operation This device has also been tested to meet CE certification standards Return to Contents Get notified on User Manual and product updates Page 45 Subscribe at http www juicedlink com blog index htm
24. l typically be adjusting the potentiometer counterclockwise ii If you reach full counter clockwise and the meter calibration is not exactly there then leave the adjustment in the full counter clockwise position This is OK as it will just give you an extra couple of dB of headroom You can bump up the camera gain if a bit if you wish to reach exact calibration 2 WHILE RECORDING a Set the camera gain on the 1 click above off setting b Set the AGC Disable switch to the OFF position DT454 only c Set PAN TO L NORM switch to the NORM position Since AGC Disable is not used DT454 only d Set the METER switch to the HI position and adjust the GAIN and TRIM volume potentiometer settings to keep the peaks below the red LED of the Meter e The other settings phantom power etc operate like any typical mixer 3 POST PRODUCTION a There s no need to follow any of the post production steps presented in this Manual since there was no need to use any of the AGC disable features of the DT454 Return to Contents MagicLantern 374 Party Firmware for 5DMKII MagicLantern is 3 party firmware that was written by a genius for the 5D platform It is not from Canon so you need to do your due diligence to understand the risks of what you are getting yourself into It has very useful tools and has a lot of users you can converse with the users on the typical video production message boards but as it is not from Canon it is not
25. lanced inputs Phantom PH power switch DT454 only Generates either 48V or 12V in the power supply circuitry a Phantom voltage is not applied to the XLR input until the PH ON OFF switch is set to ON for the corresponding XLR L XLR R balanced input b Mics which work from 12V phantom power can considerably extend battery life 5 PH OFF 07454 only switch routes the phantom voltage generated by the power supply circuit to the corresponding XLR L XLR R balanced input a Only apply phantom power to condenser mics which require phantom voltage b Never apply phantom power to unbalanced mic sources wireless mics etc or mixing boards 6 MONO combines the right and left inputs and presents the combination to each of the right and left outputs STEREO leaves the right and left inputs separated and only the corresponding input signal is presented to each the of the right and left outputs 7 PAN TO L DT454 only combines the right and left input channels and presents the combination to the left output channel 8 METER sensitivity switch a Hl to be used when either you have manual control of the camera gain and have throttled back its noisy gain or if you are using the Disable feature of the DT454 to force the camera gain to throttle back This setting is most commonly used for typical operation b LO setting when camera AGC is running 9 AGC DISABLE feature DT454 only of the DT454 to improve signal to
26. late first The switch locations of the DT were designed such that the most frequently used switches Gain Phantom Power DT454 only and Panning are most readily available to the user The illustration shows what portion of the DT454 base is occupied by a typical quick release mounting plate Manfrotto 357 The plate limits access only to items rarely used sometimes these are only used once at setup with your equipment Return to Contents Get notified on User Manual and product updates Page 23 Subscribe at http www juicedlink com blog index htm Output Connection to Camera To camera 3 5mm minijack mic input DT454 XLR Adapter Preamp AGC Disabler XLR L XLR R TIP L RING R PHONES gt ee Playback Monitor Operation OW OUT turn PHONES down all the way PHONES aoe LEVEL vol control using TIP L RING R MONO Use the included 3 5mm stereo miniplug cable and plug one end into the DT OUT jack Then plug the other end into the camera s 3 5mm minijack microphone input Note some cameras may use 2 5mm plugs instead of 3 5mm plugs Inexpensive adapters are available to make the required connection Return to Contents Page 24 Omissions Suggestions Contact Us www juicedLink com Place a fresh 9V alkaline battery into the DT battery tray using the correct orientation Flip the PWR switch to ON The PWR indicator LED will illuminate When the ba
27. neral However please refer to this user Manual for the exact details a CALIBRATE THE DT454 METER a Start with all of the front panel potentiometers volume controls for XLR L XLR R etc turned all of the way down counterclockwise b Take the stereo minijack cable and connect one end to the DT454 OUT minijack and the other end to the DT454 TIP RING INPUT minijack c Set MONO STEREO to STEREO and PAN TO L NORM to PAN TO L d Set the AGC Disable switch to the NOISE setting e Set the GAIN for the RING TIP INPUT to the LO setting on the bottom of the DT454 f On the front panel turn the RING R potentiometer volume control to the eleven o clock position so 4 ON 1 Va NA gt ox ay gt x 0 8 Omissions Suggestions Contact Us www juicedLink com 9 Set the METER switch to the LO position on the bottom of the DT454 h Just above the LO lettering on the bottom of the DT454 locate small hole in the aluminum enclosure Behind this hole is a potentiometer that calibrates the meter sensitivity for the LO setting i Using a small screwdriver 1 16 adjust the LO METER potentiometer so the 3 LED is illuminated b WHILE RECORDING a Set the AGC Disable switch to the NOISE setting b Set PAN NORM switch to the PAN position Since AGC Disable is being used c Set the METER switch to the LO setting and adjust the GAIN and TRI
28. ng has been largely unused by customers This is because it is a dangerous proposition to inject a tone into your camera since your camera can produce very funky aliased harmonic effects and you would have no way of knowing that your camera is destroying your audio since the camera does not have its own headphone jack and you can not monitor what the camera is recording Users have been sensible by using the NOISE AGC Disable setting Eliminating the tone setting permits us to remove an active mixer used to inject the tone which allows us to introduce the following enhancements 1 Lower current consumption for longer battery life 2 Achieve better right left signal level symmetry in the MONO mode 3 Provide an audible cue through the headphones if somebody is using the NOISE AGC disable and has forgotten to set the PAN TO L switch so they can not accidentally attempt to record a microphone to the AGC Disable track and thereby lose that microphone recording Safety Mode Noise The NOISE setting injects a broadband uncorrelated noise signal into the right recording track of the camera This leaves the left track clean for recording Get notified on User Manual and product updates Page 37 Subscribe at http www juicedlink com blog index htm hee Right Track clean audio Left Track As such you will NOT be able to use the right track of the camera to record your microphones I
29. noise performance on cameras which do not have manual control a TONE is no longer a supported setting starting December 2010 More details about this change are available in the TONE section of this manual b Safety Mode NOISE AGC Disable approach injects a broadband noise signal into the camera s right track to spoof its AGC algorithm into throttling back its noisy gain 10 14 20 thread for mounting DT454 on top of a tripod etc 11 Hex key receptacle USE HEX KEY included HERE TO TURN 7 20 SCREW INTO CAMERA FOR MOUNTING TO BOTTOM OF CAMERA Return to Contents Get notified on User Manual and product updates Page 19 Subscribe at http www juicedlink com blog index htm Included Items 1 Stereo minijack cable Use to connect mic output of DT454 to the mic input on the camera 2 Hex key USE HEX KEY TO TURN 14 20 SCREW INTO CAMERA FOR MOUNTING TO BOTTOM OF CAMERA Return to Contents Accessories TBD Return to Contents Page 20 Omissions Suggestions Contact Us www juicedLink com Block Diagram Basic DT454 only features in RED 12 48 o RIGHT Minijack Output Amplified Mic Level LEFT o Mono Stereo Qe Panto L o LO N RIGHT PHANTOM 12 48 DISABLE OFF SAFETY NOISE METERS Minijack B Mic Playback Monitor Input TRIM PHONES MONO 1
30. non T2i etc The AGC disable techniques offered no further signal to noise performance improvement for these cameras Follow these steps 1 CALIBRATE THE DT METER a There s no requirement for calibrating the meter The factory setting for the LO meter sensitivity will be used 2 WHILE RECORDING a Set the camera microphone sensitivity to low b Set the DT METER switch to the LO switch position Page 10 Omissions Suggestions Contact Us www juicedLink com Set the NORM switch to the NORM position since AGC disable is not being used DT454 only d Set the AGC DISABLE switch to the OFF position DT454 only e Adjust the GAIN and TRIM volume potentiometer settings to keep the peaks below the red LED of the meter f The other settings phantom power etc operate like any typical mixer 3 POST PRODUCTION a There s no need to follow any of the post production steps presented in this Manual since there was no need to use any of the AGC disable features of the DT454 Return to Contents Get notified on User Manual and product updates Page 11 Subscribe at http www juicedlink com blog index htm Features Specifications e General Features 4 microphone channels 2 XLR 2 unbalanced Meters 4 segment LED each right left 2 sensitivity settings high low adjustable for calibration valuable for new 5D firmware where meters not visible during recording o
31. ockwise position where small changes in the potentiometer position result in large changes in signal because of the logarithmic nature of audio pots then you can switch the GAIN to the LO position to get back into the sweet spot of the potentiometer s adjustment range Check out the Metering section for more details for appropriate level settings Return to Contents Page 34 Omissions Suggestions Contact Us www juicedLink com Camcorder Settings Consult the camera User Manual to learn what audio controls are provided It is preferred that cameras have manual override of their Automatic Gain Control AGC with control of the gain Some cameras do not have full control of the gain but provide a High and Low setting Others have no manual override of the AGC at all Low Noise Performance The general principle to improve your signal to noise performance is to throttle back the noisy camera amplifiers and replace that noisy gain with clean gain from the juicedLink low noise preamplifier This results in an improved signal to noise performance while recording fine audio detail such as dialogue Make sure you turn down all of the TRIM potentiometers on the DT which do not have a microphone connected to its input Preamps without the impedance of a microphone connected to their input have a high impedance at the preamp input which results in the preamp generating a lot of noise So turn down all of the TR
32. osition combines the right and left signals and presents the combination to both the right and left output connections of the OUT minijack This can save a small step in post production when using a single mono mic Note the MONO switch position will result in a loss of some gain because of the loading effect The DT has sufficient maximum gain to make up for this loss in most circumstances Return to Contents Get notified on User Manual and product updates Page 31 Subscribe at http www juicedlink com blog index htm PAN 07454 only XLR L XLR R E 1 4 Mic line y Stereo Pan to L Norm JOYUOW YORGAL q 10 O1 d 10 IW JO ONIY 4 As illustrated by the Block Diagram the L switch position routes the right channel over to the left channel So 15 used to route XLR R RING R to the left channel for recording This is utilized when you are using right channel mics XLR R or RING R and plan on abandoning the track containing the NOISE AGC Disable signal track right See more details in the AGC Disable section Return to Contents Page 32 Omissions Suggestions Contact Us www juicedLink com GAIN Settings TIP RING 5 0 lt o E q e Q JO yNduy 20 Block Diagram illustrat
33. owing circumstances While plugging the headphones into the headphone driving device While plugging the mixer into the headphone driving device While turning on or off the mixer While turning on or off the phantom power While plugging a device into the input of the mixer This device its enclosure and the connections to cable shields that plug into this device are conductive Avoid electrocution and observe caution with cable runs near areas where high voltages and or currents may exist Page 4 Omissions Suggestions Contact Us www juicedLink com Canon 5D Mark 60D 60D and 5DMKII Firmware Release 2 0 4 and Later With firmware release 2 0 4 on the 5DMKII Canon has provided manual control for audio It also provides for a meter But the meter is only visible during setup not during recording This is a welcome addition We hope to see firmware updates from DSLR manufacturers for all cameras to add audio features For lowest noise performance while recording fine audio detail you will want to manually throttle back the camera gain and replace that noisy gain with clean gain from the juicedLink low noise preamplifier Follow the directions from Canon for how to navigate the firmware menus The lowest noise performance will be achieved with the lowest gain setting on the camera 1 click above the lowest off setting This may be just a little outside the factory calibration for the DT METER HI settin
34. ry Others require that a voltage is generated by the mixer that the microphone is plugged into and that voltage gets transmitted up the microphone cable to power the condenser microphone element This is what is known as ohantom power Return to Contents INPUT TIP RING gt 5 U D gt D 2 3 5 d 20 yNduy IW 10 ONIY dI L 28 Omissions Suggestions Contact Us www juicedLink com 1 Choose what function the phantom power generator circuit should perform by selecting PH OFF 12V 48V on the selector switch 2 Route the voltage produced by the phantom power generator circuit to the XLR input which requires phantom power with PH ON OFF switch for the corresponding XLR L or XLR R input The DT454 does not provide T Powering General Phantom Power Microphone Tips e f you are in the market for new microphones then consider o Amicrophone that works from phantom power only will be much shorter and lighter since it does not have the added weight length for the battery making it easer to boom or mount to camera when necessary o Consider a microphone that will work down to 12V phantom power This will considerably extend the battery life of the DT454 There are many excellent modern microphones with this capability f your microphone will work from a battery already then operate the microphone from the battery instead of phantom power This is much
35. s XLR L is routed to the left output channel and XLR R is routed to the right output channel This is illustrated in the Block Diagram section Balanced sources such as XLR balanced microphones or line level signals from a balanced sound board can be plugged directly into XLR L and See the sections on Phantom Power and MIC LINE switches for more details XLR L XLR R with Unbalanced Sources Wireless Etc XLR L and XLR R are capable of interfacing with unbalanced sources However the proper XLR connector must be used This XLR connector must connect pin 1 with pin 3 which effectively grounds the balanced cold signal where the balanced hot signal remains for connection with the unbalanced source Without this special connector which connects 1 to pin3 the signal will not be processed by the DT balanced receiver and the result is that there will be no output signal for this input WARNING Do not apply phantom power DT454 only to any of these connectors which connect pin1 to pin3 You will be shorting out the phantom voltage and can potentially damage your equipment Here are some examples of connectors which connect pin 1 to pin 3 Rode VXLR Get notified on User Manual and product updates Page 27 Subscribe at http www juicedlink com blog index htm Hosa GXM133 Phantom Power 07454 only Condenser microphones require a voltage to operate Some will take their own batte
36. s Contact Us www juicedLink com As illustrated by the Block Diagram the headphones output mono signal combining both the right and left channels into each of the headphone earcups At high gain the small consumer grade headphone amp can produce a lot of noise Fortunately for most circumstances where the camera gain has been throttled back either manually or by the AGC Disable feature DT 454 only the signal level is relatively high so the headphone gain can be turned down where the headphone amp noise is relatively low Return to Contents Playback Headphone Monitoring As illustrated by the Block Diagram the headphones output a mono signal combining both the right and left channels into each of the headphone earcups To use the headphone amplifier for playback monitoring playing back the clip in your camera and using the DT to monitor the audio set the DT with the following configuration e TIP L RING R GAIN set to LO e Turn down the PHONES volume control all of the way Use the TIP L RING R TRIM volume control knobs as the volume control for the headphones Plug the camera s AVout into the DT TIP L RING R input The AVout jack has 4 contacts so you can t use a standard 3 contact stereo miniplug cable Custom cables can be made Alternatively many cameras come with an AVout to RCA cable You can use an inexpensive Stereo 3 5mm Male to 2x RCA Female Y Cabl
37. s vary in terms of their required input signal level to optimize signal to noise while also having sufficient margin to headroom distortion The factory and LO meter settings try to balance the needs across platforms But the may not be optimal for every camera For these cameras you will use the factory LO meter setting It is always prefer below when a camera has full Manual control This way to achieve the best signal to noise performance while recording fine audio detail you throttle back the noisy amplifiers in the camera and replace that noisy gain with clean gain from the juicedLink low noise preamplifiers However your camera does have three settings for microphone sensitivity high med low You will use the low setting in your camera which throttles back the noisy camera gain as much as possible Because of this you will not use the DT454 AGC disable feature So you also get two tracks for recording Unfortunately have a high analog noisy gain in the front end which limits the signal to noise performance of your system Recordings from these cameras do not have the signal to noise performance a can be achieved with are using juicedLink low noise preamplifiers with cameras that have Manual gain like the Canon 5D or even the signal to noise performance of a camera which does not have Manual gain but not the fixed hi analog noisy gain in the front end while using the DT454 AGC disable technique such as the Ca
38. ttery starts to get so low that you should change it then the LOW BATT indicator LED will illuminate This indicator is calibrated for alkaline type batteries Note it is possible for a battery to be so dead that it doesn t have enough juice to power the LOW BATT indicator circuitry or LED but it can still illuminate the PWR LED With such a nearly completely dead battery the unit will not operate even though the LED indicators may lead you to believe that it should Alkaline Battery Life Battery life varies and depends on numerous factors Use of phantom power DT454 only takes up battery resources especially at 48V See the Phantom Power section for tips on optimizing power efficiency Here are some estimates for typical continuous usage from a fresh 9V alkaline battery No Phantom 7hrs With one 2mA mic 12V 5hrs DT454 only With one 2mA mic 48V 2hrs DT454 only Rechargeable Batteries The iPowerUS 9 Lithium Polymer is a good choice for a rechargeable battery http www ipowerus com Products DC9V500 DC9V500 htm These are nice because of their high capacity and fast recharge time The higher capacity also extends battery life Here is an estimate for typical continuous usage from a fresh battery of this type With one 2mA mic 48V 5hrs DT454 only Return to Contents Get notified on User Manual and product updates Page 25 Subscribe at http www juicedlink com blog index htm Input Connections
39. wer etc operate like any typical mixer 3 POST PRODUCTION a There s no need to follow any of the post production steps presented in this Manual since there was no need to use any of the AGC disable features of the DT454 Return to Contents Get notified on User Manual and product updates Page 7 Subscribe at http www juicedlink com blog index htm Canon T2i 7D 1D Mark IV 07454 Only Different camera platforms with varying gain lineups and firmware implementations vary in terms of their required input signal level to optimize signal to noise while also having sufficient margin to headroom distortion The factory HI and LO meter settings try to balance the needs across platforms But the may not be optimal for every camera This section will describe some simple steps to get the DT454 meter more precisely calibrated to the gain needs of your camera while using the AGC Disable feature of the DT454 We will use the known output signal level of the AGC Disable s noise signal for calibration So we will take the output of the DT454 with the noise signal and feed that back to the DT454 input Then you will adjust a potentiometer to a pre determined position and signal level Then you will use a small screwdriver to adjust one of the meter potentiometers so the meter is calibrated to that signal level Follow these steps NOTE We have posted a video on our website which may be helpful to illustrate steps in ge
40. y of manual control such as a low medium and high setting Start with your camera s low setting and conduct some tests where your audio signal on the DT meter peaks splash into the 3 amber LED but do not hit or infrequently hit the 4 red LED If your camera has a meter then follow these steps to get started 1 Connect a mic to your DT and adjust the GAIN and TRIM volume potentiometer settings so that when you speak into your microphone the meter peaks splash to the 3 amber DT LED without illuminating the 4 red LED or infrequently doing so 2 Throttle back the camera gain until the peaks splash just past the 124 full scale meter reading on the camera Now your DT and camera meters for the given camera setting are calibrated Make sure you turn down all of the TRIM potentiometers on the DT which do not have a microphone connected to its input Preamps without the impedance of a microphone connected to their input have a high impedance at the preamp input which results in the preamp generating a lot of noise So turn down all of the TRIM potentiometers on the DT which do not have a microphone connected to its input If itis desirable to adjust the meter sensitivity there are adjustment potentiometers behind the holes in the bottom of the enclosure next to the and LO markings which provide a limited adjustment range Return to Contents Page 40 Omissions Suggestion
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