Kirisun TM840 - LED Indicator; RF Circuit; RF Schematic; Chapter 3. Circuit Description

TM840 Service Manual
2.2 LED Indicator
LED Indicator Radio Work Status
Red LED lights on Radio is transmitting.
Green LED lights on
Radio is receiving (voice, short message, or data) or there is an activity on
the channel.
Orange LED lights on
The radio is in the call hang time period, you can press PTT to talk back
while the orange LED lights on.
Orange LED flashes
Radio is in emergency status; or there is a missed call / incoming call alert;
or the radio is scanning.
Chapter 3. Circuit Description
3.1 RF Circuit
Figure 0-1 RF schematic
3