26. PTT
Transmitting key, Press to speak and release to receive a message.
27.UP/DN
These key allow increasing or decreasing a channel number.
28. AQ
①
When the radio is receiving a call, press this key to enable ASQ (Automatic Squelch
Control) function. Then, “AQ” would appear on the LCD. Press this key repeatedly to
switch on/off the function.
②
When the radio is receiving a call, press and hold this key for over 2 seconds to enable
signal monitoring function. At the moment, whether the radio receive signal or not, the
radio would detect current channel to check whether current channel has weak signal.
Release AQ key to exit this function.
③
Pressing PTT and AQ key at the same time, the radio would emit a single-tone. This
tone is to help and remind two sides of communication to adjust frequency. The frequency
of this tone is adjustable.
④
ASQ (Automatic Squelch Control)
ASQ control setting. It has same function with AQ button on the microphone.
29. MICROPHNE
The radios come complete with low-impedance (150 ohm) dynamic microphone.
Function Menu Setup:
The initial functions and parameter can be changed via the following settings and
operations. Please read the following instruction before making any
