27
6) DISPLAY
The display shows selected channel or the frequency band in use.
7) FM LED
This red led is lighted in FM mode.
8) RX/TX LED (bicolor led)
RX Led lights when squelch opens (GREEN).
TX Led lights when transmitting mode (RED).
9) FREQUENCY BAND SELECTION
(configuration: EU; PL; d; EC; U; In)
The frequency band must be chosen according to the country where you are
going to operate. Do not use another configuration. Some countries require
user’s licence
(see page 46)
.
a)
Radio set switched OFF.
b)
Slide the
F/OFF
switch (
9
) on
F
position.
c)
Switch ON the radio.
d)
Choose the request configuration with the channel rotary switch.
e)
Slide the
F/OFF
switch (
9
) on
OFF
position.
f)
And then, for final confirmation of the choice before operating in the con-
figuration, switch OFF then ON the radio set.
See the chart pages 41 to 45.
10) NB/ANL
Noise Blanker/ Automatic Noise Limiter. These filters allow the reduction of
back ground noise, and some reception interference. Unable on
OFF
position.
11) CB/PA (Public Address)
An external loud speaker can be connected to your PRESIDENT WALKER ASC
Classic by the jack plug situated on the back panel PA.SP (
D
). By selecting
the
PA
position, the message transmitted into the microphone will be directed
towards the external speaker and be amplified. Hold the microphone far
enough away from this loud speaker so as to avoid the Larsen effect (acoustic
feedback).
PA volume is regulated by the MIC GAIN knob.
12) MODE
Use this key to select AM or FM. The modulation mode must correspond with
that of the person with whom you communicate.
AM/
Amplitude Modulation (AM) is for communications in areas where there
are obstacles and over medium distances.
FM/
Frequency Modulation (FM) is for nearby communications in flat, open
areas (squelch adjustment needs more finesse).
13) CH 19/CH 9
Channels 19 and 9 are automatically selected when you activate this switch.
The Mode (AM/FM) of the channel is set according the frequency range in
use.
See the chart on page 45
OFF
position returns to the previous channel.
14) BARGRAPH
Shows reception and the power transmission levels.
15) 6-PIN MICROPHONE PLUG
This plug is situated on the front panel, thereby making it easier to set the
equipment into the dashboard.
See the cabling diagram on page 44.
16) PTT (push to talk)
Press this knob to transmit a message and release to listen to an incoming
communication.
KEY BEEP
Some functions like changing channels, pressure on keys etc. are confirmed
by a beep tone. This beep tone can be activated or deactivated by the
user.
To enable/disable Beep tone, turn on the power while pressing the mic
“DN”
(
5
) key.
SCAN FUNCTION
In order to activate the
SCAN
function (research of the channels), press the
“UP”
(
5
) (increasing way) or
“DN”
(
5
) (decreasing way) key during 2,5 seconds.
EnglishEnglish
Summary of Contents for WALKER ASC Classic
Page 47: ......
