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1. ERE The DuraTrax Onyx 240 charger is two chargers in one It s an excellent choice for electric powered models which use two NiCd or NiMH batteries simultaneously or modelers who rotate through multiple batteries while at the field or the track Charge current options of 800mA 1 5A 3A and 5 amps plus 4 to 8 cell NiCd or NiMH compatibility for each output makes this charger great for batteries for 1 18th to 1 8th scale electrics nitro receiver packs and transmitter batteries A tiny AC power supply is built in plus DC input capability and twin LCDs with blue backlights make this charger easy to transport and use in any environment It is strongly recommended to completely read this manual before use Damage resulting from misuse or modification will void your warranty INDEX SPECIFICATIONS eis sietettccetsneviesninaiiisai ee ccanee Ghee 1 RESETTING THE CHARGER 00 ccccceeeeeeeeeteeeteeeeees 6 SPECIAL FEATURES isciecsctsscutieniecaaiernatueecremnasiers 2 CARE amp HANDLING OF NiMH BATTERIEG 6 IMPORTANT PRECAUTIONS seeren 2 ERROR MESSAGES amp TROUBLESHOOTING GUIDE 6 GLOSSARY OF TERMS wcsiciiie cantata niente 2 5 YEAR LIMITED WARRANTY U S A amp CANADA ONLY 7 INPUT POWER i205 sieccointcescezeass oaaae tora 3 CONTROLS amp CONNECTIONS 0 ccecceteeteeeeteeeeeees 3 DETERMING BATTERY TYPE amp SPECIFICATIONS 4 GETTING STARTED ieioea siase aa rna 4 STARTING CHAR
2. Linear current will be supplied to NiCd and NiMH batteries during charge The peak detection method will be used to find the highest battery voltage during charge Once peak voltage is detected the charger will automatically stop fast charge and start trickle charge _ For 6 or 7 cell batteries connect the battery to the charger s output lead Make sure the polarities of the battery and charger s leads match red charger wire to red battery wire black charger wire to black battery wire Skip to step 3 2 For 4 or 5 cell receiver batteries or 8 cell transmitter packs insert the battery s plug in the RADIO BATTERY jack on the front edge of the charger or use the proper adapter to do so see page 4 Make sure the battery s black or brown wire is on the right side when inserting into the jack Caution Make sure the charge current setting is safe for your battery to prevent overheating of the cells AAA AA A and 2 3A size batteries generate heat more quickly than large sub C batteries Its NOT recommended to attempt to charge batteries having a rated capacity under 750mAh with this charger Most radio batteries should NOT be charged at currents greater than 1 5A Failure to follow this recommendation could permanently damage your battery 3 To START CHARGE press and HOLD the START button for 3 seconds 4 During charge the LCD will alternate between the battery voltage and charge current screens so y
3. apply to each output 1 Connect the charger to input power 2 Every time the charger is connected to input power the default setting is to charge a NiMH battery at 5 amps If this setting matches your battery and needs skip to STARTING CHARGE below Otherwise to adjust the battery type and charge current settings for either output proceed as follows 3 Battery type Determine the output you wish to charge the battery Press NiCd NiMH m E E v the SETTINGS button briefly for that output to choose between NiCd or ap NiMH battery types This will allow the charger to automatically set the min peak sensitivity value to 8mV for NiCd batteries or 4mV for NiMH batteries to achieve the most accurate peak charges for your battery Battery Information Type Shown 4 Charge current a Press and hold the SETTINGS button for 3 seconds The charge current setting will show on the LCD b Briefly press the SETTINGS button again to scroll through all charge Reconmneniaatiens current options 0 8A 1 5A 3 0A and 5 0A Refer to the chart at right Battery s Charge for a list of recommended charge currents for different size batteries ratsa capacity Current Setting 750 1000mAh 0 8A c Once the desired current is found press and HOLD the SETTINGS 1000 1400mAh 1 5A button again for 3 seconds The LCD will return to the opening screen 1500 2400mAh 3 0A 2500 5000mAh 5 0A STARTING CHARGE
4. or amps A 600mAh battery has a 1C current value of 600mA and a 3C current value of 3 x 600mA 1800mA or 1 8A The 1C current value for a 3200mAh battery would be 3200mA 3 2A etc INPUT POWER AC Input For indoor use this charger includes a built in switching AC power supply that delivers power by connecting the AC power cord to a common 110V AC outlet DC Input This charger can be powered by a portable 12V DC power source for use at the track On the left side of the charger connect the DC power cord s alligator clips directly to the output terminals on the 12V DC power source Always match polarities red lead to red terminal black lead to black terminal To utilize the charger s absolute maximum power capabilities the DC power source must be capable of delivering at least 12 amps while maintaining 12 volts DC WARNING Never accidentally short together the positive and negative input connections when AN connected to 12V DC power Failure to do so could result in permanent damage to the power source and the charger This charger is rated for a maximum output power of 40 watts for each output Depending on certain conditions if charge current is set to maximum the maximum number of cells are connected to the output and input voltage is low the actual current delivered to the battery might be slightly less than the setting This is normal The charger will be on at all times when connected to input power
5. Disconnect the charger from input power when not in use CONTROLS amp CONNECTIONS The Onyx 240 charger is two independent chargers in one case Each output has its own set of controls output connections and LCD No function which occurs with Output 1 will affect the function of Output 2 in any way and vise versa Output 1 is on the left half of the charger Output 2 is on the right half of the charger OUTPUT LEAD The standard connector is compatible with most r a OENE EEEE R C car batteries See the 110V AC INPUT SPECIFICATIONS chart on page 1 for a list of additional adapters for charging battery types with different connectors SETTING BUTTON For selecting A ONRATRAR NiCd or NiMH battery type and the 12V DC INPUT charge current rate DATA BUTTON For selecting different data to be viewed on the LCD START BUTTON For starting charge Also for manually stopping charge 4 OUTPUT 1 T DATA SETTINGS QUTPUT 2 LEAD RADIO BATTERY JACK A unique jack is located on the front edge of the charger for charging of NiCd or NiMH 4 or 5 cell receiver batteries for nitro vehicles or even 8 cell transmitter y 3 batteries One jack is included for each output This jack is ei Se universal compatible with Futaba J Airtronics Z Hitec JR OU MUA and Spektrum receiver battery connectors and BEC type i connectors For some transmitters opening the battery compartment and disconnecting the battery s lead w
6. GE s iisiiseniii ie arasinineiasceusiineneanereurisni 5 CHARGE COMPLETE TRICKLE CHARGE 5 VIEW DATA SCREENS cccccececeeeeeeeeeeeeeeeeeeeseeeeeeaees 6 SPECIFICATIONS AC input 110V AC 60Hz DC input 11 to 15V DC built in lead with alligator clips Protective devices solid state reverse polarity and current overload Case size 7 95 x 6 x 1 97 202 x 153 x 50mm Weight 27 8 oz 789g Specifications for Each Output Battery types 4 to 8 NiCd or NiMH 4 8 to 9 6V Battery capacity range 750 to 7500mAh Fast charge current 0 8A 1 5A 3A 5A linear 40W Fast charge termination peak detection Fast charge safety timer 90 minutes Peak sensitivity 8mV for NiCd 4mV for NiMH Auto trickle current 1 20 fast charge setting Controls 3 push buttons Display type 7 segment custom LCD with blue backlight Output connections built in lead with standard connector built in jack for 4 to 5 cell Rx packs or Tx packs Audible tones indicates start stop errors Adapter Standard to Deans Ultra male available separately GPMM3131 Adapter Standard to Vendetta MiniQuake RS4 Battery available separately DTXC2210 SPECIAL FEATURES TWO independent outputs each with identical features and functions A tiny built in switching AC power supply is great for portability and cramped pit areas yet can deliver up to 5 amps of charge current for each output Selectable charge currents of 800mA 1 5A 3A and 5 amps w
7. er immediately and allow to cool Store NiMH packs with some voltage remaining on the cells refer to battery supplier It is important to recharge NiMH batteries immediately prior to use as they have a high self discharge rate AAA AA and A size radio batteries can safely be peak charged at currents up to 1 5C to 2C battery capacity x 1 5 or 2 0 High charge currents can overheat batteries and thus reduce service life especially for smaller size cells ERROR MESSAGES amp TROUBLESHOOTING GUIDE Several safety features are included in this charger to protect itself and the battery against certain unwanted conditions as follows e LCD PROBLEM AND SOLUTION Err 1 The DC input voltage is below 11 0V or exceeds 15V DC Make sure the input voltage is within this range Err 2 A battery is not connected to the output Make sure a good connection exists between the battery and charger and re try Err 3 The battery is connected backwards to the output Re connect the battery to the charger s output with the proper polarity Err 4 The battery has become disconnected during charge Re establish a good physical connection between the battery and charger and re start charge Err 5 Some type of electronic interruption or malfunction has occurred If you believe that some external force might have caused the charger to err and that a true circuit malfunction has not occurred you might attemp
8. ill reveal if the battery s own plug can be connected directly to this jack on the charger Or if you wish to connect the charger to a transmitter s built in charge jack check with your local retailer for the appropriate charge adapter listed below Part number Description GPMM3100 BEC to Futaba Tx Charge Jack Adapter GPMM3101 BEC to Hitec Airtronics Tx Charge Jack Adapter GPMM3102 BEC to JR Spektrum Tx Charge Jack Adapter through the jack on the front edge of Output 1 at the same time The same rule applies to Output 2 f WARNING Do NOT attempt to charge one battery through the main lead on Output 1 and another Failure to do so will permanently damage the charger DETERMINING BATTERY TYPE amp SPECIFICATIONS Always read your battery s label and or instruction sheet before use and determine 1 TYPE Is the battery a nickel metal hydride NiMH or nickel Yel icc lavaolit e m 1ar lal i iCd ae Number of cells Rated Nominal Voltage 2 RATED CAPACITY What is the battery s rated capacity in mAh milli 4 cells 4 8V amp hours 5 cells 6 0V 6 cells 7 2V 3 RATED VOLTAGE If not printed on the battery s label consult your 7 cells 8 4V battery supplier or determine the proper pack voltage as shown in the 8 cells 9 6V chart at right GETTING STARTED All functions and settings for Output 1 are totally independent of those for Output 2 All instructions listed below
9. ith auto trickle each output NiCd and NiMH compatibility with custom peak detection and automatic trickle charge each output A unique built in jack is included for charging 4 to 5 cell Rx packs for nitro models even Tx packs each output Custom LCD with blue backlight shows battery voltage charge current time and capacity one for each output Simple push button controls and audible tones aid in setup and use each output A DC power lead with alligator clips easily connects to many 12V DC power sources Solid state reverse polarity and current overload protection ensure trouble free operation IMPORTANT PRECAUTIONS AN Disconnect the battery and remove input power from the charger immediately if the charger becomes hot e e eoeoeoeee 8 e Do not attempt to charge incompatible types of rechargeable batteries as permanent damage to the battery and charger could result Do not use automotive type battery chargers to power the charger Do not allow water moisture or foreign objects into the charger Do not block the air intake holes which could cause the charger to overheat Do not attempt to use batteries with more cells or total voltage than listed in the specifications Do not leave the charger unattended while in use Do not place the charger or battery on flammable surfaces or near combustible materials while in use such as a carpet cluttered workbench paper plastic vinyl leather and wood inside a
10. n R C model or full sized automobile Do not overcharge batteries as permanent damage could result Do not use a charge current that exceeds the safe level of the battery Do NOT connect the charger s AC and DC input connectors to any power source at the same time Allow the charger or battery to cool down before reconnecting Always disconnect from power source when not in use GLOSSARY OF TERMS Amps A The unit of measure for charge current e o o e e o e Milli amps mA A unit of measure for current being amps A multiplied by 1000 and listed as mA So 2 5A is the same as 2500mA 2 5 x 1000 Or to convert mA to amps divide the mA number by 1000 So 25mA is the same as 0 025A 25 divided by 1000 Capacity and milli amp hours mAh The amount of energy a battery can store is called its capacity which is defined as how much current a battery can supply constantly over one hour of time Most hobby batteries are rated for capacity in mAh or milli amp hours A 650mAh battery can deliver 650mA of current for one hour 650mA x 1hr 650mAh A 3200mAh battery can deliver 3200mA 3 2A of current for one hour 3200mA x 1hr 3200mAh etc C rating Capacity is also referred to as the C rating Some battery suppliers recommend charge currents based on the battery s C rating A battery s 1C current is the same number as the battery s rated capacity number but noted in mA
11. num handle that s knurled for a no slip grip This set has em all 4 each of metric and SAE hex drivers 3 each of slotted and Phillips screwdrivers plus an Ultimate Body Reamer And to keep them handy and organized DuraTrax includes a 15 pocket book style tool pouch with zipper DTXRO400
12. ou can quickly determine if charge is progressing correctly 5 Pressing the DATA button during charge will manually scroll the LCD through these screens like shown below q Press DATA Press DATA Press DATA Press DATA Shows the actual voltage Shows the actual current Shows how much charge The number of minutes the measured on the output being sent to the battery energy has been sent battery has been charging in amps to the battery in milli amp hours Note that when the LCD shows the battery s voltage during charge the reading will seem slightly higher than normal This is due to the loading effect of the charger and is normal A higher load will skew the reading more than a smaller load When fast charge is finished battery voltage readings will be more accurate If you wish to manually stop a charge process either disconnect the battery from the charger or press START Tones will sound and the LCD will return to the opening screen CHARGE COMPLETE TRICKLE CHARGE When the charger has detected peak it will automatically stop charge and show End on the LCD Audible tones will also sound for about 10 seconds pressing START while the tones are sounding will turn them off The charger will automatically change to trickle charge mode at this time Fast Charge Approx The trickle charge current value is set automatically by the charger as Current Setting T
13. over damage caused by abuse misuse alteration or accident If there is damage stemming from these causes within the stated warranty period DuraTrax will at its option repair or replace it for a service charge not greater than 50 of its then current retail list price Be sure to include your daytime telephone number in case we need to contact you about your repair This warranty gives you specific rights You may also have other rights which vary from state to state For service on your DuraTrax product warranty or non warranty send it post paid and insured to HOBBY SERVICES 3002 N Apollo Drive Suite 1 Champaign IL 61822 217 398 0007 www hobbyservices hobbico com For warranty and service information if purchased outside the USA or Canada see the additional warranty information insert if applicable or ask your retailer for more information CE Z Entire Contents Copyright 2008 Made in Korea DTXZ4240 for DTXP4240 V1 0 OTHER ITEMS AVAILABLE FROM DURATRAX DuraTrax Pit Tech Deluxe Car Stand This convenient workstation for R C cars and trucks features a rotating top plate for easy access from all sides and a dropped center section that provides a stable work platform for models with uneven chassis bottoms Includes an extra large parts tray and built in holes to keep shocks handy when rebuilding DTXC2370 DuraTrax Ultimate Tool Set w Pouch DuraTrax Ultimate tools have hardened steel tips plus a blue anodized alumi
14. rickle Current shown in the chart at right and shown in amps A The charger will 0 8A 0 05A 50mA remain in trickle charge mode until the battery is disconnected from 1 5A 0 10A 100mA the charger or the START button is pressed again 3 0A 0 15A 150mA A backup safety timer is built into this charger to automatically stop fast 5 0A 0 25A 250mA charge if peak is not detected in 90 minutes If the min display shows Stop this safety timer stopped charge and not the peak detection circuit You might want to attempt to re peak the battery by starting another charge Refer to the TROUBLESHOOTING GUIDE for more details VIEW DATA SCREENS After peak charge has been detected you can review the four different data screens to see the final results of the peak charge While End is showing repeatedly press DATA to scroll through the screens like shown above to view the final results of the charge process The screen will automatically revert back to End three seconds after a button is pressed last RESETTING THE CHARGER When a peak charge has finished press START to reset the charger The LCD will return to the opening screen and the charger will stop delivering trickle current to the battery Pressing the DATA button will scroll through the different data screens on the LCD CARE amp HANDLING OF NiMH BATTERIES Do not to allow NiMH batteries to overheat Disconnect overheated batteries from the charg
15. t to re start charge Otherwise if you believe the charger is not functioning properly disconnect the battery from the charger and the charger from input power and contact Hobby Services for further details Err 6 The charger has somehow fallen out of calibration Contact Hobby Services for further details Stop The 90 minute backup safety timer has expired You can re start charge or disconnect the battery from the charger Other possible problems PROBLEM LCD does not work when unit is connected to input power Check power supply for improper power Check input connections for solid contact DC input power might be connected backwards reverse input connection Contact Hobby Services for further details PROBLEM Battery voltage low after charge below 1 2V per cell The capacity setting charge current setting and or backup safety timer settings are too low NiCd MH peak sensitivity setting might be too low or too high re adjust setting Perhaps poor quality charge leads replace with new 5 YEAR LIMITED WARRANTY U S A amp CANADA ONLY DuraTrax warrants this product to be free from defects in materials and workmanship for a period of five 5 years from the date of purchase During that period DuraTrax will at its option repair or replace without service charge any product deemed defective due to those causes You will be required to provide proof of purchase invoice or receipt This warranty does not c

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