Futaba 4GRS - Manual (Page 14)

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After opening the box, first check if the contents conform to the following. The contents
depend on the set as shown below.
Set Contents
Transmitter T4GRS
Receiver R304SB or R304SB-E
(Built-in Antenna for EP car models)
Miscellaneous
Receiver switch
* It is not attached to R304 SB-E set.
Mini screwdriver
* It is used for receiver.
Instruction manual
- If any of the set contents are missing, or you have any questions, please contact
your dealer.
Caution
When using the T4GRS in the T-FHSS (HIGH) and S-FHSS (HIGH) mode, always use it under
the following 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 used).
Transmitter mode :RX MODE
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.
In addition, the FSU Fail Safe Unit cannot be used because the system is different. Use the fail safe function of the trans-
mitter.
When using analog servos, always switch the T4GRS servo response to the "NORM" mode.
Transmitter mode :"T-FHSS(NORM)", "T-FHSS(NORM)"and FHSS mode
Receiver’s battery :Matched to the ratings of the receiver and connected servo (dry cell battery cannot be used).
The set cannot operate in the "HIGH" mode. Operation in this mode will cause trouble with the servo and other equipment.
Digital servos (including BLS Series brushless servos) can also be used in the "NORM" mode.
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.