FUTABA 1M23N20718 Instruction Manual Download Page 1

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Digital Proportional

1M23N20718

R/C System

NSTRUCTION

ANUAL

Summary of Contents for 1M23N20718

Page 1: ...R Digital Proportional 1M23N20718 R C System INSTRUCTION MANUAL...

Page 2: ...distributor in your country please contact the seller immediately to determine if such export regulations have been met b Use of this product with other than models may be restricted by Export and Tra...

Page 3: ...end of their useful lives when taken out of service within the United States The RBRC program provides a convenient alternative to placing used nickel cadmium batteries and nickel metal hydride batte...

Page 4: ...ff Forgotten Alarm 16 High Voltage Alarm 16 Low Battery Alarm 16 Digital Trim Operation 17 Grip Dial Operation 17 Mechanical ATL Adjustment 18 Wheel Trigger Tension Adjustment 18 Trigger Slide Adjustm...

Page 5: ...8 Servo center position ne adjustment End Point Adjuster EPA 49 End point adjustment Throttle Acceleration ACCEL 52 Function which adjusts the movement characteristic from the throttle neutral positio...

Page 6: ...r lap navigation timer Lap List LAP L 99 Lap timer data lap time average lap time check Model Select M SEL 100 Model memory call Model Name NAME 101 Model memory name set modify username set modify Mo...

Page 7: ...fer DTTRN 114 The T4PKS model memory data to another T4PKS Adjuster ADJST 116 Steering wheel and throttle trigger correction Vibrator Function VIBRA 118 Vibrator setting Steering Dual Rate D R 119 Ste...

Page 8: ...SPEED mode Operation in this mode will cause trouble with the servo and other equip ment Digital servos including BLS Series brushless servos can also be used in the NORMAL mode 8 For Your Safety As W...

Page 9: ...well as improper installation in a model could cause loss of control Simple range test method Have a friend hold the model or clamp it down or place it where the wheels or prop cannot come in contact...

Page 10: ...ry connected could create a dangerous situation if someone accidentally turns on the receiver power switch Loss of control could occur Fail safe function Before running cruising check the fail safe fu...

Page 11: ...electrolyte can cause blindness If electrolyte comes in contact with your skin or clothes wash with water immediately Do not store your R C system in the following places Where it is extremely hot or...

Page 12: ...so that the tires of gasoline engine cars etc do not lose their grip on the road even when braking at corners Throttle acceleration ACCEL Gasoline engine cars have a time lag before the clutch and bra...

Page 13: ...er data changes by PC at the T4PKS Edit button lock trim dial lock functions Lock functions which prohibit setting and operation by transmitter edit buttons trim and dials are provided Wheel Trigger p...

Page 14: ...mance will not be displayed even if it operates In addition it may cause servo trouble Futaba will not be responsible for damage etc caused by combination with the products of other companies In addit...

Page 15: ...he new data will not be written to memory Digital Dial 3 DL3 Mechanical ATL adjusting screw Throttle trigger Power Display switch Digital Trim 2 DT2 default throttle trim Grip Handle Digital Trim1 DT1...

Page 16: ...e steering wheel throttle trigger push switch or edit button are operated the alarm is reset If the system is not to be used turn off the power The function can be deactivated at the system menu p 110...

Page 17: ...ment range the beep will change and the servo will not move any farther Return to the neutral position center by pressing both the push button switches simultaneously for about one second s 4RIM LEVE...

Page 18: ...1 5SING A MM HEX WRENCH ADJUST the wheel spring tension by turning THE SCREW INSIDE THE ADJUSTING HOLE IN the arrow direction s 4HE SPRING IS SET TO THE WEAKEST TENSION AT THE factory s 7HEN THE ADJU...

Page 19: ...ble by the battery cover can lead to an electrical shortage re and abnormal heat generation which may cause burns and re disaster Trigger Slide Adjustment The throttle trigger position can be moved fo...

Page 20: ...remove the charger when your hands are wet It may cause an electric shock Always use the special charger or a quick charger for digital proportional R C sets to charge a digital proportional R C set N...

Page 21: ...d by using the SYS 4 FUNCTION 3EE PGE ODEL NAME CHARACTERS The current servo mode servo response is displayed The mode currently operating is displayed HIGH NOR BLHT is displayed when backlighting is...

Page 22: ...lay cannot be read due to a temperature change data cannot be set Contrast adjustment from main screen 1 Turn on the transmitter 2 F THE SCREEN IS TOO DARK ADJUST THE CONTRAST BY PRESSING THE BUTTON W...

Page 23: ...WHEEL ADJUSTER 3EE 2EMOVING THE STEERING WHEEL UNIT BELOW FOR THE RE placement procedure F YOU INSTALL THE DEG WHEEL ADAPTER BE SURE TO ADJUST THE SCALE OF THE STEERING CHANNEL ACCORDINGLY BY USING T...

Page 24: ...the adapter s BTAIN A MM HEX WRENCH AND PHILIPS SCREWDRIVER s NSTALL THE STEERING WHEEL UNIT REMOVED AS DESCRIBED ON THE PRECEDING PAGE AS FOLLOWS s 4HE LENGTH OF THE SCREWS USED AT EACH PART DIFFERS...

Page 25: ...ok and APA mounting screws bag Verify the position of the transmitter bottom holes by mounting angle The screw used depends on the position of the bottom hole Stow the surplus wiring here Transmitter...

Page 26: ...L THE STEERING WHEEL UNIT REMOVED AS DESCRIBED ON THE PRECEDING PAGE AS FOLLOWS 2 Push in the disconnected connector so that it can be connected at the opposite side 3 At the opposite side connect the...

Page 27: ...A PHILIPS SCREWDRIVER s 0ULL UP THE GRIP RUBBER 2 Pull out the grip rubber in the arrow direction 3 There is a mounting nut inside the transmitter Install the hook at the position shown in the figure...

Page 28: ...e antenna Hold the grip handle Otherwise the antenna may be damaged About Transmitter Antenna and Receiver 4HE ANTENNA IS A SCREW ON TYPE AND CAN BE REMOVED OWEVER DO NOT REMOVE THE ANTENNA EX cept wh...

Page 29: ...ervo CH1 B C Power connector DSC connector No signal reception Red On Receiving signals Green On Receiving signals but ID is unmatched Green Blink Unrecoverable failure EEPROM etc Red and Green turn o...

Page 30: ...e Put the antenna in the antenna tube to protect it Note Since the receiver generates a certain amount of heat change the mounting method to improve the ventilation at the receiver If the receiver is...

Page 31: ...ethod of connecting the motor controller to the motor and battery depends on the motor controller used Purchase the motor con troller and servos separately The receiver also depends on the set When us...

Page 32: ...Boat Vibration proof the receiver by wrapping it in foam rubber or other vibration absorbing material Also waterproof the receiver by sealing it in a plastic bag If the receiver is exposed to strong...

Page 33: ...ause damage and excessive battery drain Screw Mechanical plate Nut as required Eyelet Damper or When installing the servo always install the accessory rubber grommet and grommet ush against the servo...

Page 34: ...ced range as well as loss of con trol Other Noise Suppression Methods Be sure there are no metal parts in your model which under vibration can come in contact with other metal parts Metal to metal con...

Page 35: ...eck If signals are output normally RF output monitor RF will be displayed on the screen If RF is not displayed contact your Futaba dealer When radio waves are not being emitted when turned on by displ...

Page 36: ...be used When an analog servo is used HIGH SPEED cannot be used therefore servo response must be set to NORMAL If the setting is wrong change it using the RX SX type select function page 46 Throttle t...

Page 37: ...he subtrim and adjust the servo neutral point p 48 4 Set the trigger travel by adjusting the throttle trigger mechanical ATL to your liking p 18 When the stroke was adjusted compensate the throttle by...

Page 38: ...3 LEVEL3 All functions can be selected For expert driver In addition to the menu types shown above there is ALLOFF It is convenient when customizing all menus This menu consists of 3 xed functions M S...

Page 39: ...screen by pressing the button Menu Screen The menu screen displays 18 items on 3 rows and 6 lines on one page and displays up to 36 items on 2 pages designated MENU1 and MENU2 A menu screen matched to...

Page 40: ...1 Call the menu screen from the initial screen by JOG button up down left or right operation 2 Use the button to Select the MENU1 or MENU2 screen to be edited 3 Press the button for about 1 second A...

Page 41: ...hen customizing all functions 1 Call the menu screen from the initial screen by JOG button up down left or right operation 2 On the MENU1 screen move the cursor to MENU T by JOG button up down left or...

Page 42: ...screen by pressing the button press the button to return to the Direct Selection Screen press the button to re turn to the Start Screen Upon your needs select one of the 8 functions and then click its...

Page 43: ...al screen 2 Direct button selection Select the function you wish to customize No 1 8 by JOG button up or down operation 3 Assignment function selection Change the function by pressing the or button 4...

Page 44: ...D 6 A B S 7 ACCEL 8 START 9 BRAKE 10 IDLUP 11 TIMER 12 LAP L 13 P MIX 14 S MIX 15 BOAT 16 SUBTR 17 REV 18 F S 19 M SEL 20 M RES 21 M COP 22 NAME 23 DIAL 24 SWTCH 25 D R 26 ATL 27 CH3 4 28 RXSYS 29 MEN...

Page 45: ...SEL Model memory call P 100 20 M RES Model memory reset ALL DATA MENU P 104 21 M COP Model memory copy SINGLE GROUP MENU SW DIAL P 102 22 NAME Model memory name set modify username set modify P 101 23...

Page 46: ...ST C2 When the receiver type and servo response are changed and when is model of a different receiver type and servo response was selected turn the transmitter power off and on Radio waves are output...

Page 47: ...se side Servo Reverse REV All channel This function reverses the direction of operation of the servos related to transmitter steering throttle channel 3 and channel 4 operation Preparation Select the...

Page 48: ...nter 0 position Select the channel to be set by JOG button up or down op eration 1 Subtrim adjustment Use the or button to adjust the center Each channel can be set similarly 2 When ending setting ret...

Page 49: ...eration Therefore when the operating angle is adjusted with throttle EPA ATL trim must also be taken into account ATL trim When the steering angle is insuf cient even though EPA is increased to maximu...

Page 50: ...r is switched Preparation Before setup of the steering end point adjustment EPA set the steering D R dial initial setup DL1 to the maximum steer ing angle position 100 Select the setting item ST LFT b...

Page 51: ...t the 3rd or 4th channel dial fully to the up side side and use the or buttons to adjust the servo angle 2 3rd 4th channel servo down side adjustment Select the setting item 3C DWN or 4C DWN by JOG bu...

Page 52: ...e ly When the brake mixing function p 74 is set the CH3 CH4 brake can also be set Operation Throttle Acceleration ACCEL Throttle system The servo will jump to the input position at its maximum possibl...

Page 53: ...G button up or down operation and adjust acceleration amount by or button 0 No acceleration 100 Maximum acceleration Brake side maximum throttleangle 4 When ending setting return to the initial screen...

Page 54: ...d every minute thereafter Usually the power is turned on in transmitter and then receiver order Therefore data is not transferred for about 1 minute after the receiver power is turned on For gasoline...

Page 55: ...r ACT of BATT F S TH For voltage setting select RX v 3 5v 3 8v 4 4v 4 75v 5 5v 1 Battery fail safe function ACT OFF BATT F S function ACT OFF and voltage setting which activates the BATT F S function...

Page 56: ...round the neutral position It has no effect on the maximum servo travel 1 When you want to quicken steering operation use the button to adjust the side When you want to make steering operation milder...

Page 57: ...he road surface is slippery and the drive wheels do not grip it set each curve to the minus mild side Advice Throttle EXP THEXP Curve selection First select the type of forward side curve at the FWD T...

Page 58: ...the plus button to adjust for a faster throttle response or use the minus button for a slower or milder throttle response 2 Brake Exponential Adjustment With the jog dial move the blinking cursor up o...

Page 59: ...e center of the throttle response 2 Curve switching point adjustment With the jog dial move the blinking cursor up or down to select TG P Use the plus or minus buttons to move the point you prefer Thi...

Page 60: ...turn to the initial screen by pressing the END button twice for function menu screen press the END button once Adjustment method for VTR curve Throttle EXP THEXP Initial value P1 17 P2 33 P3 50 P4 67...

Page 61: ...m Without STSPD With STSPD Understeering Smooth cornering Spin Steering Speed STSPD TURN TURN RETURN RETURN This function limits the maximum speed of the steering servo Delay function The steering spe...

Page 62: ...the END button once Steering Speed adjustment 100 1 Servo operation is delayed Onroad TURN side Approx 50 80 RETURN side Approx 60 100 Offroad TURN side Approx 70 100 RETURN side Approx 80 100 Setting...

Page 63: ...the current setup item With THSPD Quick start without skidding Without THSPD Slow start due to skidding Throttle servo ESC operation is delayed so that the drive wheels will not spin even if the trott...

Page 64: ...or less is set at ALL setting the display is switched from OFF to ON by trigger operation Adjustment range LOW 1 100 HIGH 1 100 At 100 there is no delay TGP1 1 100 Preparation Select the setting item...

Page 65: ...ration The LOW and HIGH ranges are linked with the TGP1 set point and displayed Throttle trigger position Adjustment range LOW 1 100 MID 1 100 HIGH 1 100 At 100 there is no delay TGP1 1 100 Preparatio...

Page 66: ...ery start When the throttle trigger is returned slightly the Start function is automatically deac tivated and the set returns to normal throttle trigger operation Start Function Engine Cut START Funct...

Page 67: ...set the preset position of the throttlle servo B100 B1 Brake side 0 Neutral F1 F100 Forward side Setting Example When ESC used with an electric car Set the preset position to F75 at EPA100 3 READY set...

Page 68: ...en CUT OFF which prohibits trigger brake side operation is set in the boat mode p 78 TH BRK brake side of the EPA functions p 49 cannot be adjusted The preset position set here becomes the linkage sta...

Page 69: ...operation the LED blinks if LED color is not selected as off display also appears on the initial screen and menu screen Operation display Setup items ABP Brake return amount DLY Delay amount CYC Cycle...

Page 70: ...al position DLY Delay Sets the delay from brake op eration to ABS operation When set to 0 the ABS function is activated without any delay At 50 the ABS function is activated after a delay of approxima...

Page 71: ...delay 100 A B S function performed after an approximate 1 7 secs delay 4 Cycle speed adjustment Select setting item CYC by JOG button up down left or right operation Use the or button to adjust the p...

Page 72: ...de and for high grip set at the side 7 Steering mixing setup Select setting item STM by JOG button up down left or right operation Use the or button to adjust the steering mixing range Sets the range...

Page 73: ...DTY 0 When grip is low side when grip is high side DLY 10 15 TGP Approx 70 STM OFF When the wheels lock or the car spins when the brakes are applied fully ABP Increase from 30 DTY Shift from 0 to side...

Page 74: ...and 4th CH matched to the steering operation can be set Front brakes 3rd CH and 4th CH can be individually weakened according to the steering left or right operation amount Operation Front Brake Rear...

Page 75: ...tly set MENU 3 From BRK DLY of MENU 1 From STM RGT of MENU 2 From BRK MODE of MENU 1 From ABS DLY of MENU 3 From STM LFT of MENU 2 From ABS MODE of MENU 3 Steering left rjght 75 Function Opening Scree...

Page 76: ...nt separately 4 Delay amount setup Select setup items BRK DLY CH3 or CH4 by JOG button up down left or right operation and use the and buttons to adjust the delay amount 0 No delay CH3 F100 CH3 front...

Page 77: ...ustment Select setup item ABS ABP CH3 or CH4 by JOG but ton up down left or right operation and use the and buttons to adjust the return amount 0 No return 50 Return to the 50 position of the brake op...

Page 78: ...ine and applies bidirectional mixing from rudder steering to channel 3 and from channel 3 to rudder so that with a boat rudder opera tion and tilt mixing operation can be performed by 2 servos Tilt mi...

Page 79: ...d use the and buttons to adjust the mixing amount Operate in same direction as channel 3 Operate in opposite direction of channel 3 4 When ending setting return to the initial screen by pressing the E...

Page 80: ...sing the MC950CR MC851C MC602C MC402CR etc check that the ESC is in the neutral position and set the neutral brake function switch to ON after the set enters the operation mode An LED blinks while the...

Page 81: ...be used Reference 1 Throttle mode selection Select the setting item MODE by JOG button up or down operation Select F50 B50 or F70 B30 by or button F50 B50 Forward 50 Back50 F70 B30 Forward 70 Back30...

Page 82: ...as the neutral brake function page 80 The throttle neutral position is offset to the forward side or brake side There is no link age locking etc because there is no change near the maximum operation...

Page 83: ...plies mix ing trim data can be added Trim mode The mixing mode selection Master mixing mode The master channel mixing center point point at which the direction changes can be offset Offset function Ad...

Page 84: ...r down side mixing amount 5 Right brake or down side mixing amount adjustment Select the setting item RGHT BRAK or DOWN by JOG button up down left or right operation Use the or but ton and adjust the...

Page 85: ...ing side when the subtrim is moved to the left and right Therefore set the RIGHT and LEFT value by checking servo operation When the throttle servo travel is insuf cient at ATL 100 and EPA120 the same...

Page 86: ...T THE SETTING ITEM BY button blinks at the current setup item This function can be used with crawlers and other 4WS type vehicles It is mixing that uses the 1st CH to control front side steering and t...

Page 87: ...nd select setting item RATE Adjust the rear side travel with the or but ton 3 Mix mode setting Operate the JOG button up and down and select the setting item MXMD Set the mix mode with the or button O...

Page 88: ...r button To change the operation mode Select othe operation mode for SW by pressing or button 3 When ending setting return to the initial screen by pressing the END button twice for function menu scre...

Page 89: ...gram mixing2 functionON OFF CH3 channel 3 CH4 channel 4 LAP STAR Timer function start SW3 not possible LAP RESET Timer function reset SW3 not possible 4WS MIX 4WS mixing type select OFF Not used Set t...

Page 90: ...elect dial setup Adjustment buttons Use the and buttons to make adjustments Press the and buttons simultaneously approx 1 sec to return to the initial screen Initial value DL1 D R 2 NOR DL2 ATL 2 NOR...

Page 91: ...RGHT BRAK DOWN sides PM2 B PM2B Program mixing 2 LEFT FWRD UP sides B3 RT B3RT Brake mixing 3ch brake rate B3 DL B3DL Brake mixing 3ch delay B3ABP B3AP 3rd Channel A B S Return amount BRAKE function O...

Page 92: ...he set time seconds before the alarm beeps After starting the timer is enabled and can be stopped by switch even when the display switches to another screen Timer Function TIMER FUEL DOWN TIMER functi...

Page 93: ...e lap times are written se quentially from the number after the preceding data After lap memory No 100 the lap No returns to No 1 The lap time data memorized in the lap memory can be checked at the la...

Page 94: ...select switch p 88 When resetting by switch assign LAP RESET also 1 Racing timer type selection Select the setting item TYPE by JOG button up down left or right operation Press the or button and set t...

Page 95: ...he set beeps and the status display switches from RST to blinking RDY the system enters the trigger operation ready state When the trigger is operated at the forward side the timer starts Status displ...

Page 96: ...set beeps and the status display switches from RST to blinking RDY the system enters the trigger operation ready state When the trigger is operated at the forward side the timer starts Status display...

Page 97: ...hen the lap count switch LAP START is pressed after the time set with ALRM has elapsed the timer stops and the lap time total time and av erage time are memorized When the switch LAP RE SET is pressed...

Page 98: ...the trigger is operated at the forward side the timer starts Status display RUN When your own lap time is less than the target time and the lap counts overlap the lap navigation alarm timing is too bi...

Page 99: ...ized at each switch operation When set time of ALRM passes and the timer is stopped the last lap is memorized and the total time is automatically written after the last lap and the average lap is auto...

Page 100: ...servo response to a dif ferent model FASS C1 FASST C2 or HIGH SPEED NORMAL Model Selection M SEL Forty model data model data for 40 R C cars can be saved in the 4PKS transmitter and used when the rele...

Page 101: ...character blinks After select ing the character to be used press the JOG button The character is entered and the model name or user name char acter row moves to the right When RESET on the top row of...

Page 102: ...ngle mode copies the data to another model in model units Group mode groups M1 M10 M11 M20 M21 M30 and M31 M40 into individual groups and copies the data from group to group For example it is a conven...

Page 103: ...tion Select the setting item SLV by JOG button up or down opera tion Press the or button and select the model For the model currently in use including group CAN NOT COPY blinks at the bottom of the sc...

Page 104: ...2 When ending setting return to the initial screen by pressing the END button twice for function menu screen press the END button once Model Reset Type TYPE DATA RESET MENU RESET ALL RESET This functi...

Page 105: ...ed re mains effective thereafter Before lowering the level turn off the unused functions and when there is rate adjustment etc related to other functions check the set values Caution when lowering the...

Page 106: ...battery display Therefore use this function when there is ample battery capacity remaining Also connect the battery at the ESC side ESC Link Function MCLNK This is a special function which allows Futa...

Page 107: ...d normally Check the T4PKS and ESC connection and the battery connection to ESC and the ESC power switch and repeat steps a b 3 Writing to ESC Execute this function to write the setting data to ESC Se...

Page 108: ...t current limit value set by Current Limiter Current Limiter does not have to be turned OFF except when a current exceeding 300A is generated BRK PWM FREC BRK LD nORM 2000Hz HIGH 1000Hz SAPHI 500Hz MC...

Page 109: ...rrent is output to the motor this function begins to operate when the motor is run during trim adjustment etc nTB NEUTRAL BRAKE 0 OFF 100 Same as Link software Neutral Brake Make this setting when you...

Page 110: ...T4PKS can use dry cell batteries alkaline battery recommended with the option al battery box but the low battery alarm setting is different from that of a recharge able battery Therefore always set th...

Page 111: ...set at the preceding item this ON time becomes effective Jog button LED mode Select the setting item JOG BLHT by JOG button up or down operation and use the and buttons to set the ON time When KEY ON...

Page 112: ...n Setting the 2nd condition function Select the setting item 2ND COND by JOG button up or down operation and use the and buttons to select the display mode ACT 2ND Condition ON INH 2ND Condition OFF C...

Page 113: ...g by function select switch page 88 are necessary Switching from normal condition to second condition by switch set by function select switch is indicated by an audible alarm When switched to the seco...

Page 114: ...mmunication port of both T4PKS with the op tional DSC cord 1 Set the power switch of both T4PKS to the display DISP ON side Use the JOG button and button to display the DT TRN at both T4PKS Using the...

Page 115: ...receive side RECEIVE T4PKS and buttons simultaneously The message WAITING 30S ap pears and count down begins Within 30 seconds press the transfer side TRANSFER T4PKS and buttons simultaneously If data...

Page 116: ...screen gure at the right state lightly pull the steering wheel and then press the JOG button in the state in which the wheel is not being touched 2 Steering throw adjustment In the throw setup screen...

Page 117: ...tate lightly pull the throttle trigger and then press the JOG button in the state in which the trigger is not being touched 2 Throttle throw adjustment In the throw setup screen gure at the right stat...

Page 118: ...y alarm The vibrator operation pattern can be selected from among 7 types 1 Setting vibrator Select the setting item by JOG button up or down operation and select the type by pressing the or button 2...

Page 119: ...ending setting return to the initial screen by pressing the END button twice for function menu screen press the END button once Dual rate adjustment Steering Dual Rate Second Dual Rate D R Steering sy...

Page 120: ...adjust the brake amount Adjust the side when the braking effect is strong and the side when the braking effect is weak 2 When ending setting return to the initial screen by pressing the END button tw...

Page 121: ...hannel 3 or chan nel 4 position 2 When ending setting return to the initial screen by pressing the END button twice for function menu screen press the END button once Channel 3 4 adjustment Channel 3...

Page 122: ...eturn to the initial screen by pressing the END button twice for function menu screen press the END button once Ending the SERVO screen Steering operation Throttle operation Channel 3 operation Servo...

Page 123: ...ow ing conditions Servos Futaba digital servo including BLS Series brushless servos Receiver s battery Matched to the ratings of the receiver and connected digital servo dry cell battery cannot be use...

Page 124: ...with a dry cell battery For a description of how to install the battery holder to the transmitter see Ni MH Re placement on page 18 Part name T4PK transmitter battery holder Check Turn on the power s...

Page 125: ...nction Part name DSC cord for T4PK Connection To servos To transmitter Communication port DSC cord Y Adaptor cord Connect the T4PKS and receiver using the DSC cord after turning off the T4PKS and rece...

Page 126: ...es are recommended can be used with the optional battery box However when using dry cell batteries set BATT TYPE in the system menu to DRY 4CELL When BATT TYPE is set to DRY 4CELL When using the T4PK...

Page 127: ...ARNING will be displayed on the LCD When that function switch is turned off the alarm will stop LCD screen Audible alarm Tone sounds 7 times and stops repeated High voltage alarm If a battery exceedin...

Page 128: ...d send the letter along with the system in question Symptom Including the conditions and when the problem occurred R C System Send transmitter receiver and servos Model Type of model brand name and mo...

Page 129: ...nt does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more...

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FUTABA 1M23N20718, Instruction Manual

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