User's Manual

FS-G4P
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 it’s 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, see [5.5 Mode Switching].
TH.TRIMis the trims for CH2(throttle).
Adjustment range: -120us- + 120us, each step is 4us;
ST.TRIM + / TH.TRIM +: increase adjustment step;
ST.TRIM- / TH.TRIM-: Decrease adjustment step.
LED Indicator:
• When using the trim keys the G.LED will 󽗊ash slowly on short presses and quickly on long presses.
• When the 󽗉ne adjustment value is at the midpoint, the G.LED will 󽗊ash twice slowly.
• When the 󽗉ne adjustment value is at both ends (+ 120us / -120us), the trim adjustment is at its maximum and as
such G.LED will not 󽗊ash(if the 󽗉ne adjustment value has been adjusted to + 120us, then press ST.TRIM + / TH.TRIM
+ key is invalid and G.LED has Instructions)