TO TRANSMIT AND RECEIVE
The uh078sx uses the 40
UHF Channels 22 and 23 are for telemetry and telecommand applications. Transmit is inhibited on these channels.
1. The maximum RF transmit power of uh078sx is
5 watts.
Press 
to change the transmit power between High(5W), Middle(1W) and Low(0.5W).
HI appears when on high power. LO appears when on low power. HI and LO disappear when on middle power.
2.Before you transmit, listen for activity on the selected channel.
3.When the channel is clear, press and hold the PTT to transmit. TX appears on the LCD.
Hold the radio with microphone approximately five cms in front of your mouth with the antenna at approximately 45* angle away from your head. Speak in a clear, normal conversational voice.
4.When you have finished speaking, release the PTT and listen for a response. TX indicator
then disappears on the LCD.
The display shows BUSY when a transmission is being received by your radio.
LO
LO
11
