8
24.
EXT SP or PA SP
EXT SP
Accept 4 to 8 ohm, 4 watt external speaker to be connected. When
external speaker is connected to this jack, the built-in speaker is
automatically disconnected.
PA SP
It is used to connect a PA speaker. Before operating PA, you must
firstly connect a PA speaker to this jack.
25.
ANTENNA
Accept 50 ohm coaxial cable with a type PL-259 plug to be connected.
26.
CW KEY
<PRESS—TO—TALK—MICROPHONE>
The receiver and transmitter are controlled by the Press-To-Talk
switch on the microphone.
Press the switch to transmit and then release it to receive. When
transmitting, hold the microphone two inches from the mouth and
speak clearly in a normal “voice”. The radios come complete with low-
impedance (150 ohm) dynamic microphone.
1.
PTT
Transmitting key, Press to speak and release to receive a message.
2.
UP/DN
These key allow increasing or decreasing a channel number.
3.
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.
This jack is for Morse code operation; To operate, connect a CW
key to this jack and place the MODE switch in the CW position (LCD
display icon "CW")
4.
MICROPHONE
The radios come complete with low-impedance (150 ohm) dynamic
microphone.
