FUTABA T4GRS-24G Manual
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FUTABA T4GRS-24G Manual

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CPS Mixing "CPS MIX"
This function controls the Futaba CPS-1 channel power switch.
Normally, when using the CPS-1 unit to power the vehicle lights etc (LED) the CPS-
1 unit with LED connected is connected to a vacant switch channel and the LEDs are
turned on and off by the switch while the vehicle is running. However, when the CPS-
1 mixing (CPS MIX) function is used, the LED can be turned on and off and flashed in
step with steering and throttle operation, as well as being turned on and off by switch.
The flashing speed (cycle) can also be set.
For instance, the LED can be flashed as a brake light when the brakes are operated.
Setting Special mixings
When the 4th CH was set to ACT at Brake Mixing or when Dual ESC Mixing is used,
CPS mixing cannot be used.
Display "CPS MIX" screen by the following method:
(HOME screen)
Press
CPS mixing adjustment
(Preparation)
- Connect the CPS-1 to the 4th CH of the receiver.
- When the LEDs are turned on and off by switch, use the
function select switch dial function to set the switch to be
used.
86
(MENU 1 screen)
(MENU 2 screen)
Press
Setup items
MODE : Function ON/OFF, control mode
POSI : ON/OFF position
TYPE : ON/OFF type
TCYCL : Flashing speed
Gyro mixing "CPS MIX"
(CPS MIX screen)
Press
Select
"CPS MIX"
Press
Function SW
CH4

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  • Page 1 CPS Mixing "CPS MIX" This function controls the Futaba CPS-1 channel power switch. Normally, when using the CPS-1 unit to power the vehicle lights etc (LED) the CPS- 1 unit with LED connected is connected to a vacant switch channel and the LEDs are turned on and off by the switch while the vehicle is running.
  • Page 2 (Control system setup) Function selection (MODE) Operate the (JOG) button up and down and select the setting INH, CH4 FUNC, STR NTR, STR END, THR NT, THR FWD, item "CTRL". Use the (+) or (-) button and select the function. THR BRK, TH NT+BK Select button - Select with the (+) or (-) but-...
  • Page 3 Throttle Mode "TH MODE" (Throttle system) This menu has the following 4 functions: - Servo neutral mode, which sets the throttle neutral ratio to 7:3 or 5:5 - Idle up, which raises the idling speed when starting the engine to improve engine start- ing performance of a gasoline car (boat) - Neutral brake, which applies the brakes at the neutral position of the throttle stick - Throttle off (engine cut), which stops the engine of a boat, etc.

  • Page 4: Operation

    However, considering safety, and to prevent the motor from rotating instantly when the power was turned on, the MC950CR, MC851C, MC602C, MC402CR, and other Futaba MC (Motor Controllers) will not enter the operation mode if the neutral position is not confirmed.

  • Page 5: Operation Display

    However, when using the MC950CR, MC851C, MC602C, MC402CR, or other Futaba MC (Motor Controller), confirm that the MC is in the neutral position and the set is in the operation mode before setting the neutral brake function switch to ON, the same as the idle up function.
  • Page 6 Throttle Off (engine cut) "THOFF" This is a function select switch dial function. The throttle off function ON/OFF switch must be set. The engine cut function stops the engine of a boat, etc. by operating the throttle servo to the slow side by switch regardless of the position of the throttle stick and the setting of other functions (reverse function setting is effective).
  • Page 7 ESC Link Function "MC LINK" This is a special function which lets you set the contents of the Link software in Futaba speed controller (ESC), MC960CR, MC940CR, MC950CR, MC851C, MC602C, MC402CR, etc, with variable frequency and other data changes at the T4GRS transmitter.
  • Page 8 -Select the setting item "MODE" using the (JOG) button, and select "READ" by (+) or (-) button. -Select the setting item "EXEC:+/-" using the (JOG) but- ton, and press the (+) and (-) buttons simultaneously for 1 second or longer. -"COMPLETE!"...
  • Page 9 ESC function setup (MC601/602/850/851C, 401/402/950CR) Setup item selection Select the setting item using the (JOG) button. - Select by the (JOG) button. Set the value by (+) and (-) button. The currently set item is Adjustment buttons displayed here. - Use the (+) and (-) buttons to make adjustments.
  • Page 10 LBP-(LOW BATTERY VOLT) 2.5V~6V DBA-(DEAD BAND) ±2μs~±50μs 2.5V~7.5V for MC950CR Same as Link software Dead Band. This sets the range (neutral point range) over which the Same as Link software Low Bat Protection ESC does not respond to transmitter throttle operation. This setting cuts off the output to the motor when The larger the set value, the wider this range.
  • Page 11 ESC function setup (MC940CR, MC960CR) Setup item selection Select the setting item using the (JOG) button. - Select by the (JOG) button. Set the value by (+) and (-) button. Operate the following (JOG) button and switch between Adjustment buttons - Use the (+) and (-) buttons to Page1 and Page2 of the setup screen.
  • Page 12 "MIn" which sets the frequency when the load is small, is set to the high frequency side (large value) when extension is desired after straight- aways and curves. "MAX" which sets the frequency when the load is large, is set to the high frequency side (large value) when you want to suppress the rise from low speed and when motor heating and commutator roughness are sensed.
  • Page 13 Page1 TBM-(TURBO MODE) OFF /LV1 /LV2 Same as Link software Turbo Mode This function sets the turbo mode. More power can be enabled using the turbo mode. Depcompleted on the setting, the motor and ESC may be damaged so use this setting carefully. (Note) When LAU (LEAD ANGLE USE) is off, lead angle setting will not operate even if set to LEV1 or LEV2.
  • Page 14 LAU-(LEAD ANGLE USE) ON /OFF Same as Link software Lead Angle Use This function is effective when TBM (Turbo Mode) is LEV1 or LEV2 and sets whether or not lead angle is used. This setting has priority over the TURBO MODE setting. When using in races in which the lead angle func- tion is inhibited by the ESC set this function to OFF.
  • Page 15 Data Transfer "MDL TRANS" This function copies the model memory data of one T4GRS to another T4GRS. Con- nect the communication port of both T4GRS together with the optional DSC cord for T4PK. Use this function with the T4GRS power switch set to the display side. Note: If the T4GRS battery voltage drops, the display switches to low battery display.
  • Page 16 (Select the setting item ) "MODE" by the (JOG) button up or down op- Mode selection eration, and select the transfer side and re- "TRANSFER" "RECEIVE" ceive side by (+) or (-) button. Setup item selection - Select by (JOG) button up or down operation.
  • Page 17 Timer Function "TIMER" Use the timer by selecting one of the three timers UP TIMER, DOWN TIMER, and LAP TIMER. Display " TIMER " screen by the following method: (MENU 1 screen) (MENU 2 screen) (TIMER screen) (HOME screen) Press Select Press "TIMER"...

  • Page 18: Lap Timer

    FUEL DOWN TIMER function Fuel down timer function - This function is primarily used to check the refueling time of a gasoline car. (The remaining time is displayed.) - Each time the switch is pressed, the timer is restarted and the set time is reset.

  • Page 19: Timer Screen

    Timer screen Timer selection First, select the type of timer at the "TYPE" item. The setup screen varies depcompleted on the type of timer. This figure shows the UP TIMER setup screen. Time display Minute display (m) Second display (s) 1/100 second display Status display RST :Reset state...
  • Page 20 Using the up timer Adjustment buttons (Preparation) - Use the (+) and (-) buttons to Select the setting item "TYPE" using the (JOG) button. make adjustments. - Press the (+) and (-) buttons si- Press the (+) or (-) button and select "UP". multaneously (approx.
  • Page 21 Using the fuel down timer Adjustment buttons (Preparation) - Use the (+) and (-) buttons to Select the setting item "TYPE" using the (JOG) button. make adjustments. - Press the (+) and (-) buttons si- Press the (+) or (-) button and select "DOWN". multaneously (approx.
  • Page 22 Adjustment buttons Using the Lap timer - Use the (+) and (-) buttons to (Preparation) make adjustments. - Press the (+) and (-) buttons si- Select the setting item "TYPE" using the (JOG) button. multaneously (approx. 1 sec) to Press the (+) or (-) button and select "LAP". return to the HOME screen.
  • Page 23 Lap List "LAP LIST" The lap list is displayed when checking the lap memory data (lap times) memorized by lap timer operation. - After the lap timer starts, the lap times are memorized sequentially each time the switch is operated. - If the timer is stopped after the set ALRM time has elapsed, the final lap time is mem- orized and the total time after the last lap is automatically written.
  • Page 24 System Functions "SYSTEM" The graphic liquid crystal screen display mode, buzzer sound and menu character mode, etc. can be set. - "CONTRA"---Liquid crystal screen contrast adjustment (20 steps) - "BK-LHT"---Liquid crystal screen backlighting display mode setup (OFF, ON at button operation, normally ON) - "LHT-TM"---Setting of ON time (1~30 secs) when [ON at button operation] was selected above.
  • Page 25 System function setup SYSTEM [ RT ] (Setting the liquid crystal backlighting mode) CONTRA Backlight mode (BK-LHT) BK-LHT Select the setting item "BK-LHT" using the (JOG) LHT-TM KEY, ALL, OFF LHT-PW button, and select the mode by pressing the (+) BATT D RY4 or (-) button.
  • Page 26 Note: If used with the incorrect setting, a normal low battery alarm will not be gen- erated and the system may stop before the battery alarm is generated. The usage time may also become extremely short. "LiFe2" :Futaba LiFe type battery (FT2F1700BV2 / 2100BV2) "NiMH5" :Futaba MiMH type battery (HT5F1800B) "DRY4"...
  • Page 27 SYSTEM [ RT ] (Changing the menu character display) CONTRA BK-LHT Select the setting item "MENU" using the LHT-TM LHT-PW (JOG) button, and set the basic menu char- Menu character (MENU) BATT D RY4 ENG, acter display with the (+) or (-) button. BUZZER OPE-TM "ENG"...
  • Page 28 If an adjustment point is not within a fixed range, correction is not performed and the correction data is not updated. When button mark is not displayed even though correction was performed again, please contact a Futaba Radio Control fig-4 Customer Center.
  • Page 29 If an adjustment point is not within a fixed range, correction is not performed and the correction data is not updated. ADJUSTER When button mark is not displayed even though correction THROTTLE was performed again, please contact a Futaba Radio Control N5 5 N7 3 Customer Center. COMPLETE!
  • Page 30 Telemetry "TELEMETRY" With the telemetry system, the running status can be displayed at the transmitter and also recorded as a data log by mounting various sensor units to the chassis. The telemetry related screens are only displayed when the T4GRS power switch is in the PWR ON position.

  • Page 31: Telemetry/Log Screen Map

    Telemetry/Log Screen Map (HOME screen) Press (Telemetry Function ON/OFF Screen) Press p.117 Press The cursor on [RT] The cursor on [RT] Press Press (Sensor Set Screen) p.118 Press Press (Log Data Screen) (Log Set Screen) p.120 Press Press Press Telemetry "TELEMETRY"...

  • Page 32: Telemetry Function On/Off

    Telemetry Function ON/OFF The telemetry data can be viewed at the HOME screen and telemetry ON/OFF screen. The telemetry function can also be turned on and off at the telemetry ON/OFF screen. The telemetry ON/OFF and communication status can be checked at the HOME screen. The reception strength High No signal reception...

  • Page 33: Telemetry Sensor Setting

    Telemetry Sensor Setting An audible alarm can be generated by the T4GRS from the data from a telemetry sen- sor. This setting sets alarm ON/OFF and the alarm conditions. Refer to the map on page 116 for the sensor setting (SENS MODE) screen display. There are receiver power source (battery) voltage and external power source (drive bat- tery) voltage settings on page 1 of the sensor setting screen and temperature and speed settings on page 2.
  • Page 34 Setting external power supply voltage alarm Display page 1 using (JOG) button left or right operation. Alarm ON/OFF Select "ALRM" of the "EXT VOLT" setting ON, OFF - Select with the (+) or (-) but- items using (JOG) button up or down opera- tons.

  • Page 35: Log Setting Start/Stop

    Setting the gear ratio Display page 2 using (JOG) button left or right operation. Select "RATIO" of the "R.P.M" set- ting items using (JOG) button up or down op- Gear ratio (moderating ratio) eration, and set the location the sensor is to 0.001~64 actually measure and the gear ratio of the mo- Initial value: 1...
  • Page 36 Log recording cycle (Recording cycle setting) 0.1~60s( Select the "CYCL" setting item using (JOG) 0.1~10s( )0.1s step button up or down operation, and set the data 10s~60s(sec)1s step Initial value: 1.0 acquisition interval from a minimum 0.1 sec- Adjust button ond to a maximum 60 seconds with the (+) - Adjust with the (+) and (-) but- button or (-) button.

  • Page 37: Log Data List

    Log Data List The log data list can be called up when checking the log data memorized by logging op- eration . The maximum log data is up to 200 counts. Refer to the map on page 116 for the log list screen. Example: Receiver power supply voltage log list screen.
  • Page 38 Under other conditions, the set will not operate, or the specified performance 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.

  • Page 39: Warning Displays

    Always set the battery type to "N5/L2" especially when using a Futaba rechargeable type battery. If the set is used at "DRY4" setting, the time from low battery alarm to system stopping will become ex-...
  • Page 40 Memory Error If the data in the transmitter is not transferred normally LCD screen: when the power is turned on, an audible alarm will sound and "MAIN MEMORY ACCESS ERROR" will be displayed on the LCD. - To stop the alarm, turn off the power. - Turn the power back on.

  • Page 41: Optional Parts

    Optional Parts The following parts are available as 4GRS options. Purchase them to match your appli- cation. For other optional parts, refer to our catalog. Transmitter Battery When purchasing a transmitter battery use the following: Part name HT5F1800B (6V/1800mAh) NiMH battery FT2F1700V2(6.6V/1700mAh)/2100BV2 (6.4V/2100mAh) LiFe battery Please do not use the transmitter batteries HT5F1800B and FT2F1700V2/2100BV2 as the receiver's battery.

  • Page 42: Exposure To Radio Frequency Radiation

    The responsible party for the compliance of this device is: Futaba Service Center 3002 N Apollo Drive Suite 1, Champaign, IL 61822 U.S.A TEL (217)398-8970 or E-mail: support@futaba-rc.com (Support) CAUTION: To assure continued FCC compliance: Any changes or modifications not expressly approved by the grantee of this device could void the user’s authority to operate the equipment.

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