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Backlighting On/Off (6)
This button will illuminate the channel selec-
tion window for a period of ten seconds. The
window will re-illuminate for a further ten sec-
onds if a key is subsequently pressed, thus pre-
serving battery life. Pressing this button again
will switch the backlighting off.
Channel Selection Knob (7)
This is a sixteen-position rotary switch used to
select the channels programmed into the radio.
The channel selected is shown in the channel
selection window next to the knob, with each
programmed channel selection being con-
firmed by a beep. This first position (normally
channel 16) is indicated by a long beep. NB,
although there are sixteen channel locations,
not all of these may have a channel pro-
grammed into them.
Audio Volume Control Knob (8)
Turn the knob clockwise to increase volume
and anticlockwise to reduce volume.
Tx Status LED (9)
This LED indicates the transmit power status
of the radio:
LED Blinking Receive, high power selected.
LED Off Receive, low power selected.
LED Flashing Transmit, low power selected.
LED On Transmit, high power selected
(Fig 2.4).
Battery Status LED (10)
This shows the charge status of the battery -
LED Off Battery charge okay.
LED Blinking Battery level low (Fig 2.5).
Rx Status LED (11)
This displays the squelch status of the radio as
follows:
LED Blinking Fully squelched (Fig 2.5).
LED On Squelch open.
