RadioLink RC8X Instruction Manual page 16

Servo operation from CH1 to CH8. Real-time bar-graph display to demonstrate exactly
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what commands the transmitter is sending to
the servos.
Mixing function. The background
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color of functional block will turn to blue if
the mixing function corresponding turn on
while the background color of functional
block will turn to grey if the mixing function
corresponding turn off.
T1： Total timer. It is used to record the
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total uptime of the transmitter. Turn off the
transmitter will not affect time accumulation.
T2 ：Click to time. Click the T2 timer
functional block to start to time, stop to time or reset. Click once to start to time, click twice to
stop to time, click thrice to reset.
The timer set steps can follow:
Telemetry.
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RX：the current input voltage of receiver.
EXT：the current input voltage of cars or boat.
RSSI：the receiver signal strength, "NULL" indicate loss of signal or the transmitter and the
receiver failed to bind. The RSSI is 0 to 30dBm is normal when the transmitter is apart
about 50 centimeters from the receiver, the signal is better the RSSI data is closer to 0. The
2.3.4 Timer
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