Futaba 4GRS - Manual (Page 123)

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Reference
Ratings
*Specifications and ratings are subject to change without prior notice.
Caution
Communication method:One-way operation system
Maximum operating range:100m (Optimum condition)
For safety: F/S, B-F/S, ID
Transmitter T4GRS-2.4G
(T-FHSS/S-FHSS/FHSS system, 2 stick type, 4 channels)
Transmitting frequency:
2.4GHz band
Power requirement:
AA Dry cell batteries x 4 (6V)
Current drain:
150mA or less
Transmission antenna:
1/2λ di-pole
Receiver R304SB: (T-FHSS system, 4 channels)
Power requirement:
4.8V~7.4V battery / 3.5 ~ 8.4V useable
(Dry cell battery cannot be used.)
Receiving frequency:
2.4GHz band
System:
T-FHSS system (auto detection)
Size:
1.38x0.91x0.33" (35.1x23.2x8.5mm)(excluding a projection part)
Weight: 0.23oz. (6.6g)
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.