PRESIDENT THOMAS FCC, Руководство пользователя

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9
t
(
3b
) for decreasing way. During the scanning you can change
the way by pressing the other key. The scanning stops as soon
as there is a busy channel. The scanning automatically starts 3
seconds after the end of the transmission and no key is activated
during 3 seconds.
Press any key (
5
,
6
,
7
or
8
) or the
PTT
switch (
11
) to deactivate the
CB channels
SCAN . The dot disappears on the display.
4) ASC (Automatic Squelch Control) / SQUELCH
Suppresses undesirable background noises when there is no com-
munication. Squelch does not affect neither sound nor transmission
power, but allows a considerable improvement in listening comfort.
a)
ASC: AUTOMATIC SQUELCH CONTROL
Worldwide patent, a PRESIDENT exclusivity
Turn the
SQ
knob (
4
) anti-clockwise into
ASC
position.
«AS
appears
on the display. No repetitive manual adjustment and a permanent
improvement between the sensitivity and the listening comfort
when ASC is active. This function can be disconnected by turning
the switch clockwise. In this case the squelch adjustment becomes
manual again.
SC»
disappears from the display.
b)
MANUAL SQUELCH
Turn the
SQ
knob (
4
) clockwise to the exact point where all back-
ground noises disappear. This adjustment should be done with
precision as, if set to maximum (fully clockwise), only the strongest
signals will be received.
5) F - MICROPHONE TYPE
See on page 11.
6) MODE ~ NB & COMPANDER
MODE
(short press)
This key allows you to select the modulation mode (
AM
or
FM
).
Your modulation mode has to correspond to the one of your
correspondent. Corresponding mode is displayed on the LCD.
-
Amplitude Modulation / AM:
communication on a field with relief
and obstacles at middle distance (the most used).
-
Frequency Modulation / FM:
for nearby communications on a flat
open field.
NB & COMPANDER
(long press)
Long press the
NB/
key (
6
)
to change the status of the filters :
NOISE BLANKER
: This filter allow the reduction of back ground
noise, and some reception interference.
“NB”
is displayed when
NB filter is active.
COMPANDER :
this switchable filter allow to improve the recep-
tion mode.
7) EMG ~ EMG STORE
EMG
(short press)
Emergency channels will be automatically selected by pressing
the
EMG
key (
7
). First press : emergency channel
1
is activated.
Second press: emergency channel
2
is activated. Third press: return
to the current channel.
“EMG”
appears on the display when an
emergency channel is activated. The default emergency channels
are channel
9/AM
(
1
) and channel
19/AM
(
2
).
Note:
Activating an emergency channel prevents use the
PA
(see
§ PA page 12) mode. If the KEY BEEP function is activated, an
error beep sounds .
EMG STORE
(long press)
Emergency channel can be stored to any channel with mode
AM or FM. To set a new emergency channel:
- Short press on
EMG
key (
7
) to call the current emergency channel.
“EMG”
appears on the display.
- Long press on
EMG/STORE
key (
7
). appears on the display and
“EMG”
blinks.
- Using the
s
/
t
keys (
3
) on the unit or the
UP
/
DN
knobs (
12
) on the
microphone, select the new emergency channel.
English