COREpar UV USB User Manual
Contents
1. during periods of non use completely disconnect the product from power via breaker or by unplugging it Never connect the product to a rheostat variable resistor or dimmer circuit even if the rheostat or dimmer channel serves only as a 0 to 100 switch Fuse 1 Wedge the tip of a flat head screwdriver into the slot of the fuse holder Replacement Pry the fuse holder out of the housing Remove the blown fuse from the holder and replace with a fuse of the exact same type and rating 4 Insert the fuse holder back in place and reconnect power on Installed fuse held by plastic clip Safety cap Spare fuse holder inside safety cap Disconnect the product from the power outlet before replacing the fuse COREpar UV USB User Manual Rev 1 Page 7 of 19 Power Linking The product provides power linking via the Edison outlet located in the back of the product Please see the diagram below for further explanation 1 Product M Power Linking Diagram 2 Product iren l 3 Product Additional Products You can power link up to 8 COREpar UV USB products on 120 VAC or up to 15 COREpar UV USB products on 230 VAC The power linking diagram corresponds to the North American version of the product ONLY If using the product in other markets you must consult with the local Chauvet distributor as power linking connectors and requirements may differ in your country or reg2. ces Channel 9 i Channel 8 cei omen amma Channel 11 ws Channel 12 Ta Channel 11 dede Channel 12 Jaf Channel 13 Channel 14 Eu hanna ia an hannal 45 Channel 15 2 16 mM Channel 16 T Wi OI e B Channel 13 LE T LEE COREpar UV USB User Manual Rev 1 Page 11 of 19 Personality When selecting a starting DMX address always consider the number of DMX channels the and Starting selected DMX mode uses If you choose a starting address that is too high you could restrict the access to some of the product s channels Address The COREpar UV USB uses up to 5 DMX channels in a 5 CH DMX mode which defines the highest configurable address to 508 If you are not familiar with the DMX protocol download the DMX Primer from www chauvetlighting com To select the starting address do the following 1 Press MENU repeatedly until 1 CH or 5 CH shows the display 2 Press ENTER and d 1 512 will show on the display 3 Use UP or DOWN to select the starting address 4 Press ENTER DMX Channel Assignments and Values 5 CH Channel Function Value Percent Setting Strobe 000 U 015 No function when is 000 031 Slow to fast Speed when CHS is 032 223 Sound Sensitivity
3. User Manual TABLE OF CONTENTS 1 Before foliM I elit 3 eto Dn 3 Unpacking TVS M 3 e Mc P 3 Tex COLVerloflS ssiuise cadre pee vac I IE I ES 3 OV MOO 3 1 TETTE EE 3 mies S UU T LT 4 ee a UM 4 2 NAUROGUIGU ONY rre 5 Produc OV Cl VIS W Mr 5 Product Dimensions gt 6 1 M C 7 MEINT EET 7 AC FOWE 7 FUSE 16 10 7 FOWer LINKING eea RM 8 MOUNINO Me TREES 9 COIS AAG 9 pene 9 A DOF ANION aside saa iacu tun uae nedevt sas ea aa aE sed deo sai fue 10 Control Panel Operation cccccccccccceccsseseeeceeeeeeeaeesseeceeeeeeeeeeeeeeeeeeeeeseeeaeeseeeeeesssaaaeeeeeeeessaaaaeeeees 10 Ment MaD c 10 DMX
4. D Fi USB are registered trademarks or trademarks of Chauvet amp Sons Inc d b a Chauvet and Chauvet Lighting in the United States and other countries Other company and product names and logos referred to herein may be trademarks of their respective companies Author Date Editor Updated R Isenstadt 08 21 15 M Gregory 08 21 15 COREpar UV USB User Manual Rev 1 Page 3 of 19 Auto Programs P Auto ranging Power Supply P X Product at Use Dimmer Glance Outdoor Use Sound Active DMX Master Slave Replaceable Fuse User Serviceable Safety Notes Please read the following Safety Notes carefully before working with the product The Notes include important safety information about installation usage and maintenance Always connect the product to a grounded circuit to avoid the risk of electrocution Always disconnect the product from the power source before cleaning or replacing the fuse Avoid direct eye exposure to the light source while the product is on N Make sure the power cord is not crimped or damaged Never disconnect the product from power cord by pulling or tugging on the cord If mounting the product overhead always secure to a fastening device using a safety cable Make sure there are no flammable materials close to the product when operating Do not touch the product s housing when operating because it may be very hot The product is not intended for permanent installation Always m
5. Range 100 to 240 VAC 50 60 Hz 120 V 60 Hz 67 W 0 975 A 8 A 8 products T 2A 250 V U S Worldwide IEC Edison Edison U S Power 70 W Quantity 1 With Lens 0 to 33 Hz 50 Cooling System Convection Channel Range 1 5 03031078 Weight 4 6 Ib 2 1 kg Voltage Selection Auto ranging 230 V 50 Hz 65 W 0 517 A 8 A 15 products T 2A 250 V UK Europe IEC IEC Local plug Lifespan 50 000 hours Current 1 5 Without Lens 0 to 33 Hz 1002 UPC Number 781462214265 Page 17 of 19 In case you need to get support or return a product R ETU RNS If you are located in the U S contact Chauvet World Headquarters If you are located in the UK or Ireland contact Chauvet Europe Ltd If you are located in Mexico contact Chauvet Mexico If you are located in Benelux contact Chauvet Europe BVBA If you are located in any other country DO NOT contact Chauvet Instead contact your local distributor See www chauvetlighting com for distributors outside the U S UK Ireland Mexico or Benelux If you are located outside the U S UK Ireland Mexico or Benelux contact your x4 distributor of record and follow their instructions on how to return Chauvet products to them Visit our website www chauvetlighting com for contact details Call the corresponding Chauvet Technical Support office and request a Return Merchandise Authorization RMA number before shipping the produ
6. Control Panel access the control panel functions use the four buttons located underneath the display Operation Button MENU lt UP gt DOWN ENTER Menu Map MOGE 1 CH 5 CH P auto program Lm Snd sound active SenS U SEr teMP Page 10 of 19 Please refer to the Product Overview to see the button locations on the control panel Function Exits from the current menu or function Press to scroll up the list of options or to find a higher value Press to scroll down the list of options or to find a lower value Press to activate a menu option or a selected value Programming Steps Description 1 channel DMX mode 5 channel DMX mode P1 Fade effect in and out Pulse program effect 0 10090 es PRS Pulse program effect 100 0 1 100 Program speed for 1 p Sets sound active modes Sn O Sound Sensitivity Setting d 0 255 Manual dimmer OFF Dimmer speed mode off Dimmer speed mode fast Dimmer speed mode medium Dimmer speed mode slow IR function on or off Displays the product temperature COREpar UV USB User Manual Rev 1 i j The COREpar UV USB works with a DMX controller Information about DMX is in the DMX Linking CHAUVET DMX Primer which is available from the Chauvet website http www chauvetlighting com downloads DMX_ Primer 5 WO pdf Configuration Set the product in DMX mode to control w
7. Off when CH3 is 224 255 Control the sound sensitivity level 000 U 031 No function 032 U 095 Pulse effect 0 10095 000 U 255 Slow to fast Pulse effect 100 0 3 Programs Pulse effect 100 0 100 Sound triggering mode 1 Sound triggering mode 2 Default dimmer speed set from menu Dimmer speed mode OFF 5 Dimmer Speed Dimmer speed mode 1 fast speed Dimmer speed mode 2 medium speed 204 255 Dimmer speed mode 3 slow speed 1 CH Channel Function Value Percent Setting 1 UV 000 255 0 100 Page 12 of 19 COREpar UV USB User Manual Rev 1 Configuration Standalone D Automatic Programs Auto Program Speed Sound Active Mode Sound Sensitivity Manual Dimming Dimmer Speed Temperature COREpar UV USB User Manual Rev 1 Set the product in one of the standalone modes to control without a DMX controller Connect the product to a suitable power outlet Never connect a product that is operating in any standalone mode to a DMX string connected to a DMX controller Products in standalone mode may transmit DMX signals that could interfere with the DMX signals from the controller To run the COREpar UV USB in automatic mode follow the instructions below 1 Press lt MENU gt repeatedly until P shows on the display 2 Press ENTER 3 Use UP and DOWN to select an auto program P 1 3 4 Press ENTER To change the auto program speed on the COREpar UV USB the followin
8. LINKIN a 11 eoru P 11 D FILUSB GOnADecllVIby noon 11 De ive gast cse 11 DMX Personalty Starting 0686 eol epo ob e aue uM ich ceste 12 DMX Channel Assignments and nennen nennen nnn nnne nnn nnns 12 sla c EI 12 Pu OR AIC Pr E ETERNI ABE ENT S 12 Coniguradon d 5tandalofiG cete tont sea teo peo eo on Eta cedo teo Sex tato iE E oa E HE S Ee 13 AUTOMATIC ROO GAINS ENNIO Em 13 Auto Pregrar ope Edosa E e EI vo sean es 13 SolhdsActiVe MOOG alain dita a Roca ite nter a a Ruin 13 ete 13 Manual M 13 Dimne 13 EE MDC RAUUNC EET PR RES 13 IRC 6 Infrared Remote 14 IRG OMS rion 14 Master Slave Mode wired ee dicens ka da das c 15 Master
9. Slave Mode D Fi USB eese 15 Die Hal CO ETT 16 miedos cem TTE Gates aye Ro nmr ie ana ies 16 6 E Teile isis nilleriioj tte 17 TI I CREME n 18 Contact US I 19 Page 2 of 19 COREpar UV USB User Manual Rev 1 1 BEFORE YOU BEGIN What Is COREpar UV USB Warranty Card Included Power Cord Quick Reference Guide Unpacking Carefully unpack the product immediately and check the container to make sure all the parts in the package and are in good condition Instructions Claims the box or the contents the product and included accessories appear damaged from shipping or show signs of mishandling notify the carrier immediately not Chauvet Failure to report damage to the carrier immediately may invalidate your claim In addition keep the box and contents for inspection For other issues such as missing components or parts damage not related to shipping or concealed damage file a claim with Chauvet within 7 days of delivery Text Convention Meaning Conventions 1 512 A range of values 50 60 A set of values of which only one can be chosen Settings A menu option not to be modified Menu gt Settings A sequence of menu options to be followed ENTER A key to be pressed on the product s control panel ON A value to be entered or selected Sym bols Symb
10. ake sure that the voltage of the outlet to which you are connecting the product is within the range stated on the decal or rear panel of the product The product is for indoor use only IP20 To prevent risk of fire or shock do not expose the product to rain or moisture Always install the product in a location with adequate ventilation at least 20 in 50 cm from adjacent surfaces Be sure that no ventilation slots on the product s housing are blocked Never connect the product to a dimmer Make sure to replace the fuse with another of the same type and rating Never carry the product from the power cord or any moving part Always use the hanging mounting bracket The maximum ambient temperature Ta is 104 F 40 Do not operate the product at higher temperatures In the event of a serious operating problem stop using the product immediately Never try to repair the product Repairs carried out by unskilled people can lead to damage or malfunction Please contact the nearest authorized technical assistance center To eliminate unnecessary wear and improve its lifespan during periods of non use completely disconnect the product from power via breaker or by unplugging it Keep this User Manual for future use If you sell the product to someone else be sure that they also receive this document Page 4 of 19 COREpar UV USB User Manual Rev 1 2 INTRODUCTION Product Overview S Mounting Brackets IR Sens
11. below 1 Press lt gt repeatedly until teMP shows on the display 2 Press ENTER Page 13 of 19 IRC 6 Infrared Remote Control IRC 6 Operation Ld a m dag i m me a 5 rm fi R M Wa me ro LA Uv NJ o 9 O T PAM UA QU 2 3 may fey FR 4 5 6 fan EX in VU 8 9 t Ew i p Page 14 of 19 The COREpar UV USB is compatible with the IRC 6 infrared remote control from Chauvet To activate IR mode follow the instructions below 1 Press MENU repeatedly until SEr shows on the display 2 Press ENTER to accept 3 Press UP or DOWN to select On or OFF 4 Press ENTER Automatic Mode Automatic mode will enable you to run the automatic programs on the product To turn on Automatic mode 1 Press AUTO or FADE on the IRC 6 2 Press lt gt or lt gt to choose between the different auto programs To adjust the speed of the automatic program 1 Press lt SPEEDs gt on the IRC 6 2 Press lt gt or lt gt to either increase or decrease the speed of the program Sound Active Mode Sound Active mode will enable the product to respond to the music To turn on Sound Active mode 1 Press SOUND on the IRC 6 2 Press lt gt or lt gt to select Snd1 or Snd2 To adjust sound sensitivity in Sound Active mode 1 Pre
12. ct Be prepared to provide the model number serial number and a brief description of the cause for the return Send the merchandise prepaid in its original box and with its original packing and accessories Chauvet will not issue call tags Clearly label the package with the RMA number Chauvet will refuse any product returned without an RMA number Write the RMA number a properly affixed label DO NOT write the RMA number directly on the box Before sending the product clearly write the following information on a piece of paper and place it inside the box Your name Your address Your phone number RMA number A brief description of the problem Be sure to pack the product properly Any shipping damage resulting from inadequate packaging will be your responsibility FedEx packing or double boxing are recommended 3 Chauvet reserves the right to use its own discretion to repair or replace returned product s Page 18 of 19 COREpar UV USB User Manual Rev 1 Us USA WORLD HEADQUARTERS General Information Chauvet Address 5200 NW 108th Avenue Sunrise FL 33351 Voice 954 577 4455 Fax 954 929 5560 Toll free 800 762 1084 EUROPE General Information Chauvet Europe BVBA Address Stokstraat 18 9770 Kruishoutem Belgium Voice 32 9 388 93 97 General Information Chauvet Europe Ltd Address Unit 1C Brookhill Road Industrial Estate Pinxton Nottingham UK NG16 6NT Voic
13. ctors to increase the cleaning frequency To clean the product follow the instructions below 1 Unplug the product from power 2 Wait until the product is at room temperature Use a vacuum or dry compressed air and a soft brush to remove dust collected on the external surface vents 4 Clean all transparent surfaces with a mild soap solution ammonia free glass cleaner or isopropyl alcohol 5 Apply the solution directly to a soft lint free cotton cloth or a lens cleaning tissue 6 Softly drag any dirt or grime to the outside of the transparent surface 7 Gently polish the transparent surfaces until they are free of haze and lint D Always dry the transparent surfaces carefully after cleaning them Page 16 of 19 COREpar UV USB User Manual Rev 1 6 TECHNICAL SPECIFICATIONS Width Height 7 9 in 200 mm Dimensions and Weight Power Light Source Photometrics Thermal DMX Ordering Length 5 5 in 139 mm Power Supply Type Switching internal Parameter Consumption Operating Current Power linking current products Fuse Power I O Power input connector Power output connector Power Cord plug Type COB LED Color UV Parameter Strobe Rate Coverage Angle Maximum External Temp 104 F 40 Connectors 3 pin XLR Product Name COREpar UV USB COREpar UV USB User Manual Rev 1 10 in 253 mm Note Dimensions in inches rounded to the nearest decimal digit
14. e 44 0 1773 511115 Fax 44 0 1773 511110 MEXICO General Information Chauvet Mexico Address Av Santa Ana 30 Parque Industrial Lerma Lerma Mexico C P 52000 Voice 52 728 285 5000 Technical Support Voice 954 577 4455 Press 4 Fax 954 756 8015 Email tech chauvetlighting com World Wide Web www chauvetlighting com Technical Support Email Eutech chauvetlighting eu World Wide Web www chauvetlighting eu Technical Support Email uktech chauvetlighting com World Wide Web www chauvetlighting co uk Technical Support Email servicio chauvet com mx World Wide Web www chauvet com mx Outside the U S United Kingdom Ireland Mexico or Benelux contact the dealer of record Follow their instructions to request support or to return a product Visit our website for contact details COREpar UV USB User Manual Rev 1 Page 19 of 19
15. g 1 Press lt MENU gt repeatedly until S shows on the display 2 Use UP and DOWN to increase or decrease the program speed S 1 100 3 Press ENTER The product will return to the last selected mode To run the COREpar UV USB in sound active mode do the following 1 Press MENU repeatedly until Snd shows on the display 2 Press ENTER 3 Use UP and lt to select a sound active program Snd1 or Snd2 4 Press ENTER The product will only respond to low frequencies of music bass and drums To change the sound sensitivity on the COREpar UV USB follow the instructions below 1 Press MENU repeatedly until SenS shows on the display 2 Use UP and DOWN to increase or decrease the sound sensitivity 0 100 3 Press ENTER The product will return to the last selected mode To manually control the output level follow the instructions below 1 Press MENU repeatedly until U shows on the display 2 Press ENTER e will show on the display Use UP or lt to increase or decrease the dimmer value 4 Press ENTER To change the dimmer speed on the COREpar UV USB do the following 1 Press MENU repeatedly until dIM shows on the display 2 Press ENTER 3 Use UP and DOWN to select dIM1 fast dIM2 medium dIM3 slow Or OFF 4 Press ENTER To view the current temperature of the COREpar UV follow the instructions
16. ion Page 8 of 19 COREpar UV USB User Manual Rev 1 Mounting Before mounting the product read and follow the safety recommendations indicated in the Safety Notes Orientation The COREpar UV USB may be mounted in any position however make sure adequate ventilation is provided around the product Rigging Before deciding on a location for the product always make sure there is easy access to the product for maintenance and programming purposes Make sure that the structure onto which you are mounting the product can support the product s weight See the Technical Specifications for weight information When mounting the product overhead always use a safety cable Mount the product securely to a rigging point whether an elevated platform or a truss When rigging the product onto a truss use a mounting clamp of appropriate weight capacity When power linking multiple products mount the products close enough for power linking cables to reach The bracket adjustment knobs allow for directional adjustment when aiming the product to the desired angle Only loosen or tighten the bracket knobs manually Using tools could damage the knobs Cum A VA QUE we f p ad j Safety Cable f such as CH 05 from Chauvet Mounting Clamp such as the CLP 15N from Chauvet Mounting Diagram Double 4 Bracketed Yoke Bracket Adjustment Knob x2 COREpar UV USB User Manual Rev 1 Page 9 of 19 4 OPERATION
17. ith a DMX controller DMX 1 Connect the product to a suitable power outlet 2 Connect a DMX cable from the DMX output of the DMX controller to the DMX input socket on the product USB The COREpar UV USB is able to become a D Fi wireless receiver transmitter with the a use of the D Fi USB from Chauvet DJ Simply set the product s DMX Personality and Connectivity DMX Address set the DIP switch D Fi receiving transmitting channel then plug it into the D Fi USB port _ WARNING DO NOT plug anything other than a D Fi USB into the USB port Doing so may cause damage to the product Once plugged in the D Fi USB will take over the product Wired DMX manual display control menu buttons and IRC will be unavailable until you unplug the gt D Fi USB The priority levels are 1 D Fi USB 3 IRC 6 Remote Control 2 Wired DMX 4 Manual Digital Display Menu Buttons Configuration 1 oet the DMX Personality and DMX address on your product D Fi USB 2 Use the Chart provided to set BOTH the Channel and then the Receiving or Transmitting option NOTE DIP Switch 5 is for Transmitting OR Receiving please choose carefully D Fi USB DIP Switch RECEIVING PE TRANSM meg amnes ei ESSI came SII 3 en Channel 3 20971 7 DT Channel 5 E Channel5 77 il JAH channel 7 7
18. lave products will operate in unison with the master product Configure the products as indicated below Slave products 1 Press MENU repeatedly until 1 CH or 5 CH shows on the display 2 Press ENTER to accept 3 Setthe DMX address tod 1 4 Connect the DMX input of the first slave product to the DMX output of the master product 5 Connect the DMX input of the subsequent slave products to the DMX output of the previous slave product 6 Finish setting and connecting all the slave products Master product 1 Setthe master product to operate in either Stand Alone mode or with the IRC 6 2 Make the master product the first product in the DMX daisy chain Configure all the slave products before connecting the master to the daisy chain D Never connect a DMX controller to a DMX string configured for Master Slave operation because the controller may interfere with the signals from the master Do not connect more than 31 slaves to the master Master Slave The D Fi USB allows a single COREpar UV USB product the master to control the actions of one or more COREpar UV USB products the slaves without the need of a Mode DMX controller or DMX cables The master transmitter product will be set to operate in 0 USB either Stand Alone mode or with the IRC 6 while the slave receiver products will be set to operate in Slave mode Once set and connected the slave products will operate in unison with the master prod
19. ol Meaning Electrical warning Not following these instructions may cause electrical damage to the product accessories or the user Critical installation configuration or operation information Not following these instructions may make the product not work cause damage to the product or cause harm to the operator Important installation or configuration information The product may not function correctly if this information is not used eue Useful information Disclaimer Chauvet believes that the information contained in this manual is accurate in all respects However Chauvet assumes no responsibility and specifically disclaims any and all liability to any party for any loss damage or disruption caused by any errors or omissions in this document whether such errors or omissions result from negligence accident or any other cause Chauvet reserves the right to revise the content of this document without any obligation to notify any person or company of such revision however Chauvet has no obligation to make and does not commit to make any such revisions Download the latest version from www chauvetlighting com The works of authorship contained in this manual including but not limited to all design text and images are owned by Chauvet Copyright 2015 Chauvet amp Sons Inc All rights reserved Electronically published by Chauvet in the United States of America CHAUVET the Chauvet logo COREpar UV USB and
20. or Bracket Adjustment Knob Front View LCD Display D Fi USB Port Power In 00 5 ih Menu Buttons DMXOut Safety Cable Pass Power Out DMXIn Fuse holder Through Back Panel View WARNING DO NOT plug anything other than a D Fi USB into the USB port Doing so may cause damage to the product COREpar UV USB User Manual Rev 1 Page 5 of 19 Product Dimensions 10 in 253 mm 5 5 in 139 mm a 7 9 in 200 mm COREpar UV USB User Manual Rev 1 Page 6 of 19 3 SETUP Fresnel Lens his Fresnel lens produces a very even light that is soft at the edges which makes the COREpar UV USB a 2 in 1 light Attach the Fresnel lens easily with the built in magnets uL M agnetic Fresnel Lens Power The COREpar UV USB has an auto ranging power supply and it can work with an input voltage range of 100 to 240 VAC 50 60 Hz To determine the products power requirements circuit breaker power outlet and wiring use the current value listed on the label affixed to the product s back panel or refer to the product s specifications chart The listed current rating indicates the product s average current draw under normal conditions Always connect the product to a protected circuit circuit breaker or fuse Make sure the product has an appropriate electrical ground to avoid the risk of electrocution or fire To eliminate unnecessary wear and improve its
21. ss lt SENSITIVITY gt on the IRC 6 2 Press lt gt or lt gt to either increase or decrease sound sensitivity Manual Control To manually control the UV level 1 Press lt or UV on the IRC 6 2 Press lt gt or lt gt to increase or decrease the percentage Miscellaneous Operation To adjust the total output level 1 Press 9e on the IRC 6 2 Press lt gt or lt gt to increase or decrease the output level To adjust the strobe rate of the program 1 Press lt STROBE gt on the IRC 6 2 Press lt gt or lt gt to increase or decrease the strobe rate 3 Press lt STROBE gt again to turn off the strobe To black out the lights 1 Press BLACK on the IRC 6 This will turn off all the lights until the button is pressed again NOTE The IRC 6 will not respond to any inputs when Black Out is activated If the remote does not respond when a button is pressed try pressing BLACK You may have inadvertently activated Black Out COREpar UV USB User Manual Rev 1 Master Slave The Master Slave mode allows a single COREpar UV USB product the master to control the actions of one or more COREpar UV USB products the slaves without the Mode need of a DMX controller The master product will be set to operate in either Stand Alone wired mode or with the IRC 6 while the slave products will be set to operate in Slave mode Once set and connected the s
22. uct Configure the products as indicated below Slave products Press MENU repeatedly until 1 CH or 5 CH shows on the display Press ENTER to accept Set the DMX address to d 1 Set the D Fi USB to receive on a specific channel 1 16 Plug in the D Fi USB Finish setting and connecting all the slave products Master product 1 Press MENU repeatedly until the DMX personality the slaves are set to shows the display Press ENTER to accept Set the DMX address to d 1 Set the master product to operate in either Stand Alone mode or with the IRC 6 Set the D Fi USB to transmit on the D Fi channel the slaves are receiving on Plug in the D Fi USB es Oo All products must be set to the same DMX personality DMX address and D Fi channel 1 Configure all the slave products before configuring the master to transmit Never connect a DMX controller to a D Fi channel configured for Master Slave operation because the controller may interfere with the signals from the master COREpar UV USB User Manual Rev 1 Page 15 of 19 5 MAINTENANCE Product Dust build up reduces light output performance and can cause overheating This can lead to reduction of the light source s life and or mechanical wear To maintain optimum Maintenance performance and minimize wear clean your lighting products at least twice a month However be aware that usage and environmental conditions could be contributing fa
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