Maintenance Manual
16
transmitting the emergency alert tone periodically. This function can be performed when SCAN is
activated.
VOX
The VOX function is set up by Pc-Programmer and without pressing the PTT key, the voice signal is
transmitted through microphone.
Monitor
In order to open the squelch compulsorily, press the MON key. If pressing the MON key for more than 2
seconds, the squelch is opened continuously with a “beep” sound. If you want to get out of this mode,
press the MON key shortly once again, or turn off and on the power.
Dual PTT (Home Channel) mode
If pressing the EMR + PTT key successively, the radio generates a “beep” sound and makes the
conversion to the HOME channel designated by PC Programmer. “[HM]” message is displayed on the left
side of the LCD. In order to release from the Dual PTT function, press the EMR + PTT key once again, or
turn off and on the power. This function can be performed when SCAN is activated.
Subtone
The radio can be programmed for CTCSS encode/decode tone frequencies and DCS code.
CTCSS tone frequency
A list of standard tone frequencies for CTCSS tone are as shown below.
No.
Frequency
No.
Frequency
No.
Frequency
No.
Frequency
1
67.0
15
110.9
29
179.9
43
196.6
