FUTABA 4GRS Instruction Manual
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FUTABA 4GRS Instruction Manual

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I
M
NSTRUCTION
ANUAL
1M23N29602
Digital Proportional
R/C System
R

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Summary of Contents for FUTABA 4GRS

  • Page 1 NSTRUCTION ANUAL 1M23N29602 Digital Proportional R/C System...
  • Page 2 This page includes extensive programming, use, set up and safety information on the 4GRS radio system and is updated regularly. Any technical updates and US manual corrections will be available on this web page. If you do not find the answers to your questions there, please see the end of our F.A.Q.
  • Page 3 • No part of this manual may be reproduced in any form without prior permission. • The contents of this manual are subject to change without prior notice. • This manual has been carefully written. Please write to Futaba if you feel that any corrections or clarifica- tions should be made.

  • Page 4: Table Of Contents

    Table Of Contents For Your Safety As Well As That Of Others ......8 Explanation Of Symbols ...............8 2.4GHz System Precautions ............8 Receiver Mode Precautions ............8 Operation Precautions ..............9 NiMH/NiCd Battery Handling Precautions ........10 Storage And Disposal Precautions ...........10 Other Precautions ...............11 Before Using ..............12 Features ..................12 Set Contents ................14...
  • Page 5 Initial Set-Up ...............37 Preparations (Transmitter) ............37 Receiver Type Check (RX MODE) ..........37 For Your Safety How To Link Receiver Type Change & .........38 As Well As Throttle Mode Check ..............41 That Of Others Trims Initial Set-Up ..............41 Function Map ..............43 Operation Of Screen ..............43 Before Selecting the Menu Screen ............43...
  • Page 6 Dual ESC Mixing "DUAL ESC" ...........82 Special mixing used with Crawler and other 4WD type vehicles Gyro Mixing "GYRO MIX" ............84 Used to set the Futaba car rate gyro. CPS Mixing "CPS MIX" ..............86 Controls the Futaba CPS-1 channel power switch.
  • Page 7 Alarm Setting if Tx is left switched ON Item which displays the basic menu screen in katakana characters for Japanese use Throttle stick adjustment HOME screen display mode setting For Your Safety Adjuster "ADJUSTER" ..............113 As Well As Steering wheel and throttle trigger correction That Of Others Telemetry "TELEMETRY"...

  • Page 8: For Your Safety As Well As That Of Others

    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 9: Operation Precautions

    Operation Precautions Warning Do not operate outdoors on rainy days, run through puddles of water or use when visibility is lim- ited. Should any type of moisture (water or snow) enter any component of the system, erratic operation and loss of control may occur.

  • Page 10: Nimh/Nicd Battery Handling Precautions

    NiMH / NiCd / LiFe Battery Handling Precautions (Only when NiMH/NiCd /LiFe batteries are used) Warning Never plug the charger into an outlet of other than the indicated voltage. Plugging the charger into the wrong outlet could result in an explosion or fire. Never insert or remove the charger while your hands are wet.

  • Page 11: Other Precautions

    Always use only genuine Futaba transmitters, receivers, servos, ESCs (electronic speed controls), NiMH/NiCd batteries and other optional accessories. Futaba will not be responsible for problems caused by the use of other than genuine Futaba parts. Use the parts specified in the instruction manual and catalog.

  • Page 12: Before Using

    ESC at the front and rear are controlled independently. -Gyro mixing (GYRO MIX) The sensitivity of Futaba car rate gyros can be adjusted from the T4GRS. -CPS-1 mixing (CPS MIX) LED lighting and flashing control using our CPS-1 channel power switch can be matched to steering and throttle operation by switch only.
  • Page 13 -ESC-Link function (MC-LINK) This is a dedicated function which allows setting of the contents of the Link software which makes possible Futaba speed controller (ESC), MC950CR, MC850C, MC851C, MC602C, MC402CR, etc. variable frequency and other data changes by T4GRS. -Tension adjustment function The tension of the steering stick &...

  • Page 14: Set Contents

    Always use only genuine Futaba transmitters, receivers, servos, ESCs (electronic speed con- trols), NiMH, NiCd, Li-ion batteries and other optional accessories. Futaba will not be responsible for problems caused by the use of other than Futaba genuine parts. Use the parts speci- fied in the instruction manual and catalog.

  • Page 15: Transmitter T4Grs

    Transmitter T4GRS Nomenclature Antenna Digital Dial 1 (DL1) (default CH4) Switch 2 (SW2) Switch 1 (SW1) (default CH3) Digital Trim 4 (DT4) Digital Trim 3 (DT3) (default ATL) (default dual rate) LCD screen Steering stick Throttle stick Digital Trim1 (DT1) Digital Trim 2 (DT2) (default steering trim) (default throttle trim)

  • Page 16: Battery Replacement Method

    Battery Replacement Method (4 AA Size Batteries) Load the four batteries in accordance with the po- Battery cover larity markings on the battery holder. Battery Replacement Method Remove the battery cover from the transmitter by sliding it in the direction of the arrow in the figure.

  • Page 17: When Using The Optional Battery

    When Using The Optional Battery When using an optional rechargeable battery, replace the battery as described below. -Always use the optional HT5F1800B or FT2F1700BV2/2100BV2 rechargeable battery. -The type of power source used must be set by system setting. -When the transmitter will not be used for a long time, remove the battery. Battery Replacement Method Refer to the previous description and remove the transmitter battery cover.

  • Page 18: When Charging The Optional Battery

    Remove the battery cover. When the battery will not be used for a long time, Disconnect the battery from the 4GRS to prevent it from deteriorating we recommend that it be kept in about the half capacity state in- Balance charging cannot be done through the stead of fully charged.

  • Page 19: Low Battery Alarm

    Because the low battery alarm voltage of a dry cell battery is different from that of a rechargeable battery pack (genuine Futaba option), the type of power source used must be set by system setting. Warning When a low battery alarm is generated, cease operation immediately and retrieve the model.

  • Page 20: Power & Display Switch

    Power & Display Switch The power switch and display switch of the T4GRS are inte- grated. In the PWR ON mode, radio waves are transmitted and in the DISP mode, model data, settings can be checked without transmitting radio waves. In addition, some setting menus may only be displayed in the DISP mode.

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