User manual FUTABA 4GWD

[. . . ] Before using your 4GWD, read this manual carefully and use your R/C set safely. After reading this manual, store it in a safe place. Application, Export, and Modification 1. This product may be used for models only. It is not intended for use in any application other than the control of models for hobby and recreational purposes. [. . . ] ch trim position Shift trim position - Each step is indicated by a tone. - When the trim exceeds the maximum trim adjustment range, the tone will change pitch and the lever will not move any farther. Trim Operation With the digital trim feature, trim adjustments have no effect on the maximum servo travel. This prevents the linkages from binding when adjustments are made. Before Using 13 Stick Lever Head Adjustment The length of the lever head of the steering and throttle sticks can be adjusted. Adjustment 1 2 Before Using Unlock lever head "A" by tur ning it counterclockwise. Lever head "A" Lever head "B" Adjust the head to the length best for you, then lock the heads by turning lever head "A" clockwise and lever head "B" counterclockwise. Modification To Ratchet System When modifying the throttle stick from self-neutral system (factory installation) to ratchet system, use the accessory parts to change the system. Modification 1 2 3 4 5 6 Turn off the power to the transmitter. Remove the four transmitter rear case screws and remove the rear case. Install the accessory ratchet plate with the screw. Ratchet plate and screw Swing arm and spring At the end of modification, connect the battery connector and close the rear case. Ratchet plate Swing arm 14 Battery Replacement (for dry cell battery system) Load the eight batteries in accordance with the polarity markings on the battery holder. (8 AA Size Batteries) Battery Replacement 1 2 3 4 Remove the battery cover from the transmitter by sliding it in the direction of the arrow in the figure. Remove the used batteries. Caution Always be sure you reinsert the batteries in the correct polarity order. If the batteries are loaded incorrectly, the transmitter may be damaged. Load the new AA size batteries. Pay ver y close attention to the polarity markings and reinsert accordingly. Slide the battery cover back onto the case. If the batteries do happen to leak, clean the battery case and contacts thoroughly. Make sure the contacts are free of corrosion. Check: Tu r n t h e p o w e r s w i t c h o n t h e transmitter to the ON position. Check the battery voltage display on the LCD screen. I f t h e v o l t a g e i s l o w, c h e c k t h e case or incorrect battery polarity. Low Battery Alarm: If the transmitter battery voltage drops below 8. 5V an alarm will sound and "LOW BT" will be displayed on the LCD screen. The low battery alarm is meant to be a safety feature only. Always shut your radio off as soon as possible after the low battery warning tone to avoid loss of control. Before Using When the transmitter will not be used for any short or long period of time, always remove the batteries. 15 Charging The Battery (for NiCd battery system) NiCd battery NT8F700B - Always use an NT8F700B NiCd battery. Charging jack AC outlet Charger 16 Before Using Charging the NiCd Battery 1 2 3 Plug the transmitter cord of the special charger into the charging jack on the side of the transmitter. Check that the charging LED lights. Transmitter charging LED Cord to transmitter charging jack When charging the NT8F700B NiCd battery with the special charger, allow about 15 hours for charging. If the transmitter has not been used for some time, cycle the battery by charging and discharging it two or three times. Warning Never plug it into an outlet other than indicated voltage. Plugging the charger into the wrong outlet may result in an explosion, sparking, or fire. Do not insert and 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 NiCd battery. Overcharging a NiCd battery can result in burns, fire, injuries, or loss of sight due to overheating, breakage, or electrolyte leakage. Special Chager Caution Never try to recharge a dry cell battery. The transmitter may be damaged or the batter y electrolyte may leak or the battery may break. When the charger is not in use, disconnect it from the AC outlet. Do this to prevent accidents and to avoid overheating. Set Data Backup The set data of each function of the T4GWD transmitter is stored in a memory element that does not require a backup battery. Therefore, the T4GWD transmitter can be used without paying attention to the backup battery life. Before Using 17 Receiver Crystal When changing the frequency, use the specified Futaba crystal set. Antenna Connectors 4: Shift servo (CH4) 3: Aux. Ch (CH3) 2: Throttle servo (CH2) 1: Steering servo (CH1) B: Power connector R124H receiver For the receiver, servos, and other connections, see page 19. [. . . ] is detected, the heat protector operates so that the speed is gradually reduced. When the FET temperature drops, the heat protector automatically resets. However, remove the cause of the overheating before operating the model again. When the Nicd battery voltage drops, this function limits the motor output current and ensures steering operation. [. . . ]