FS-G4P-BS
Digital Proportional Radio Control System
8
5.System Functions
This section focuses on the functions and how to use them.
5.1 Channel Description
5.2 Channel Reverse
The transmitter outputs a total of 4 channels, which are allocated as follows:
• CH1：Steering Wheel
• CH2：Throttle Trigger
• CH3：Three-position Switch
• CH4：Reset Button
Note: By default the output of CH4 is 1000us, after which pressing the button will toggle between 1000 and
2000us.
5.3 Trims
This function is used to adjust each channels direction of movement in relation to its input.
The ST.REV / TH.REV switches are the reverse buttons for CH1 and CH2. If the switch is up it indicates reverse, and
the down indicates normal.
The ST.TRIM is the trims for CH1 (steering),and can be multiplexed as trims of CH3 and CH4. For multiplexing
switching mode, refer to [5.5 Mode Switching].
TH.TRIMis the trims for CH2(throttle).
Adjustment range: -120us- + 120us, each step is 4us;
ST.TRIM + / TH.TRIM +: Increases adjustment step;
ST.TRIM- / TH.TRIM-: Decreases adjustment step.
LED Indicator
:
• When using the trim keys the G.LED will flash slowly on short presses and quickly on long presses.
• When the trim adjustment value is at the netrual position, the G.LED will flash twice slowly.
• When the trim adjustment value is at both ends (+ 120us / -120us), the trim adjustment is at its maximum and
as such G.LED will not flash(If the fine adjustment value has been adjusted to + 120us, then press ST.TRIM + /
TH.TRIM + key is invalid and G.LED has no indications.)
