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Instruction Manual for TFR4
Instruction Manual for TFR4
1. Introduction
1.1 Compatibility:
1.2 Specifications:
Number of Channels: 4
Operating Voltage Range: 3.5V~10V
Dimension: 34*19*8mm
Weight: 6.2g
2. Setup
2.1 Bind procedure:
Turn on the transmitter, connect the battery to the receiver while pressing receiver’s F/S button. After the RED LED is
off and GREEN LED is solid, the binding process is completed and the receiver is operating normally.
2.2 Setting failsafe:
TFR4 support two selectable failsafe setting options, either use native failsafe position preset on the transmitter side,
or set failsafe on TFR4.
2.2.1 Use native failsafe position preset on the transmitter side:
If not disabling failsafe on the transmitter side, TFR4 will use native failsafe position preset on the transmitter side.
2.2.2 Set failsafe on TFR4 side:
TFR4 supports failsafe function for all channels. Follow the steps below to set failsafe on TFR4:
1) Bind the receiver first, and disable failsafe on the transmitter side;
2) Set all transmitter controls to the desired failsafe position;
3) Press briefly the F/S button of the receiver, the GREEN LED of the receiver will flash twice, indicating the failsafe is
set up successfully.
If you do not need the failsafe function any more, just re-bind the receiver to set default failsafe mode.
Hint: If not disabling failsafe on the transmitter side, TFR4 will use native failsafe position preset on
the transmitter side.
1.3 Features:
1) Compatible with FASST 2.4G: Air Systems (7CH Mode/Multi Mode) & Surface Systems (C1 Mode);
2) CPPM and RSSI (PWM) output - If CH3 and CH4 are connected by a jumper, CH1 will output CPPM for CH1~CH8,
and CH2 will output RSSI (PWM);
3) Lighter weight and physically smaller;
4) Two selectable failsafe setting options.
2.3 LED Status:
RED LED GREEN LED Mode
Off On Normal mode
On On Waiting to be bound
Flashing On Signal lost
On Flashing twice Set failsafe
If CH3 and CH4 are connected by a jumper, CH1 will output CPPM for CH1~CH8, and CH2 will output RSSI (PWM).
3. How to get CPPM and RSSI from TFR4
CH1—CPPM for CH1~CH8
CH2—RSSI (PWM)
Connect CH3 & CH4 by a jumper
Period ~ 18mS (CPPM for CH1~CH8)
Duty: 1%~99%
Operating Temperature Range: -10�~80�
FASST 2.4G Air Systems (7CH Mode/Multi Mode): 6EX, 7C, TM-7, TM-8, T8FG, T10C, TM-10, T10CG,
T12Z, T12FG, TM-14, T14MZ, etc.
FASST 2.4G Surface Systems (C1 Mode): 3PK, 4PK, etc.

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