Maintenance Manual
17
RADIO OPERATIONS
Installation and Removal of Antenna
Put the antenna into the antenna connector of the radio and turn the antenna clockwise for installation of
antenna and in order to remove the antenna from Radio, turn the antenna counterclockwise.
☞
CAUTION`
When installation of the antenna, giving a strong pressure to the Radio or pulling the antenna from
Radio with a strong power can make damage on the antenna connector, which may cause the Radio
to have critical problem.
Power On/Off
Turn Power switch clockwise and as soon as power is supplied, a “beep” sound is heard and the model
name of the radio is displayed and the Radio enters into the previous latest state.
☞
CAUTION`
If turning power on by pressing a button on Radio, the Radio may enter into a special mode, in this
case, the transmitting and receiving of radio may not be possible. Don’t use the Radio for the other
purpose apart from the above.
Transmission
Press the PTT button on the left side of Radio for transmission. The DTMF or 5 Tone is transmitted
according to the setting of the radio. During this time voice communication will not be made and after
that the red LED is turned on and voice is transmitted. For voice communication in the best sound quality,
it is recommended to talk 5~10cm away from the radio.
☞
CAUTION`
If transmitting consecutively for more than a certain time when setting of BCLO function and TOT
function, the transmission can be forcibly interrupted for other users.
Receiving
The radio operates as a receiving standby mode except for the transmitting period. User can adjust the
volume by using the volume switch. The green LED is turn ON when the radio receives the RF signal and
can heard the transmitting voice. According to the setting of transmitting radio, can be heard the DTMF
