Communicating With The Radiotelephone - JRC JHS-800S Instruction Manual

Operation
4.2.3

Communicating with the radiotelephone

The VHF radiotelephone is operated by means of a handset.
■ ■
Procedure
1 1 . .
1 .
If you do not have the access rights, touch the
button on the status display.
You acquire the access right and the OCC display
disappears from the screen and the disabled buttons
become enabled, unless the main unit or the controller
that has the access right is busy. Or, you can acquire
the access right by just lifting the handset from the
cradle.
When the hook-switch setting is invalid, the
Note
access right cannot be acquired by lifting the
handset from the cradle.
2 2 . .
2 .
Adjust the volume on the loudspeaker by turning the
volume control.
When receiving no signal, make a noise as a guide by
turning the squelch control counterclockwise until
opened.
3 3 . .
3 .
Turn the squelch control to an appropriate position.
Normally, the squelch control would be adjusted to where
rotated the squelch control clockwise one additional tick
from the squelch closing position.
4 4 . .
4 .
Lift the handset from the cradle.
5 5 . .
5 .
Press the PTT key to talk.
➢ The TX mark is appeared on the screen to show the
equipment is transmitting. Releasing the PTT key
returns to the receiving condition.
6 6 . .
6 .
If necessary, change the channel using the numeric
keypad or UP/DOWN button.
To open the numeric keypad, touch the channel
display area or the
the status display. And to open the UP/DOWN button,
touch the button.The PTT button must be released
to change channels. When inputting a channel on the
numeric keypad, input [1] and then [8] for channel 18.
7 7 . .
7 .
When finished the communication, return the
handset to the cradle.
Replacing the handset back on -hook returns the channel to CH16. However, if the
Note
hook-switch setting is inv alid, the channel is not returned by replacing the
handset to the cradle.
4-6
(channel selection) button in
Volume
Squelch
PTT key
Channel display area or button