HL
A
G
B
C
D
F
E
A.
AM Icon.
The icon (A) is lighted when radio is set to the AM operating mode.
B.
Channel Number.
It shows the channel number or the frequency band ID code.
C.
Digital Signal Meter.
5-bar Signal Meter (C) indicates the strength of the received
signal (from S0 to S9+30) in the receive mode.
D.
ANL Icon.
The Icon (D) is lighted when the ANL (Automatic Noise Limiter) is enabled.
E.
HL Icon.
Not available on this model.
F.
ATT Icon.
Not available on this model.
G.
FM Icon.
The icon (G) is lighted when radio is set to the FM operating mode.
5-6.
Down / Up Keys.
Press to select the operating channel. By keeping a key pressed,
the quick channel selection mode will be enabled.
7.
BUSY Indicator.
This green color LED indicator is lighted when radio is receiving
one communication and the squelch is open (radio is not in the automatic mute mode).
8.
AS/SQUELCH Control
SQUELCH CONTROL (SQUELCH manual adjustment)
The SQUELCH control allows to silent the receiver by cutting the background noise, when
no signals are received. Turn the knob clockwise until the background noise is cut. Turn the
knob counter clockwise (SQUELCH opening) in order to listen to the weakest signals.
AS CONTROL (SQUELCH fixed setting)
The AS function allows to automatically silent the receiver, avoding the SQUELCH manual
adjustment. A fixed SQUELCH threshold is factory pre-set. To enable the fixed SQUELCH
function, turn the knob fully counter clockwise to the AS position, until a click noise is heard.
9.
OFF / VOLUME Control
Switches radio ON and OFF and adjust the receiver volume to the desired level. To adjust
the receiver volume if no signals are received on the channel, open the SQUELCH and
then adjust the receiver volume using the background noise as a reference.
REAR PANEL
10.
EXT (External Speaker) Jack.
Connection for external speaker (optional).
11.
ANTENNA Connector.
Antenna connector. Refer to the section INSTALLATION.
12.
13.2VDC POWER CORD.
13.2VDC power cord input.
The power cord is complete with lighter adaptor plug.
INSTALLATION
Before installing the main unit in the vehicle, check and select the most convenient
location, in order that the radio will be easy to reach and comfortable to operate, without
disturbing or interfering with the vehicle drive. Use the supplied bracket and hardware to
install the radio. The bracket screws must be well tightened in order not to become loosen
with the vehicle vibrations. The car mounting bracket can be installed over or below the
radio and the radio may be inclined as desired according to the specific type of installation
(under dashboard or track cabin roof installation).
Installation of the Main Unit
Before connecting the radio to the vehicle electric system, make sure that radio is switched
off, with the OFF/VOLUME (9) knob completely turned counter clockwise at OFF position.
Connect the lighter adaptor plug (12) to the 12VDC socket of the vehicle. Fuse is located
inside the lighter adaptor plug. To replace the fuse unscrew the cap of the plug, remove the
fuse and the spring then reinstall all parts by first inserting the spring and then the new fuse.
27MHz PROGRAMMABLE MULTI-STANDARD
MOBILE CB MONITOR - ROAD WATCHER
CBM-450
1
2
3
4
5
6
8
9
7
HL
HL
EXT SPKR
ANTENNA
DC
13.2V
10
11
12
HL
HL
FRONT PANEL
1.
A/F Key (AM/FM selection)
The AM/FM operating mode selection is possible only when both the AM and FM modes
are available in the selected band, otherwise the AM/FM selection is not possible.
2.
ANL Key (Automatic Noise Limiter)
Enable the ANL (Automatic Noise Limiter) function to reduce electric or electromagnetic
noise or interference on the used channel. The ANL icon (D) is lighted to confirm that the
ANL function is enabled. Press again the ANL key (2) to disable the function.
3.
EMG key (Emergency Channels)
Press to quickly access to the two pre-programmed emergency channels (CH9 / CH19).
Each time this key is pressed, radio will select CH9, then CH19, then again the normal
operating channel. CH9 and CH19 are the two most used channels by truck drivers.
4.
LCD Display
Large size LCD display with blue color backlight function for best readability in darkness.
It indicates the operating channel number, the operating mode, all the programmed
settings and all the enabled functions.
LCD DISPLAY
CONTENT OF THE PACKAGING
Please check that all the following items are contained in the packaging :
main unit (receiver)
car mounting bracket with accessories (hardware, knobs, etc.)
mobile antenna with magnet base and connector
owner’s manual
Please carefully read this owner’s manual before using the product. Before using this
receiver, please check that the radio has been programmed on the frequency bands
used in the country where the product is used. If not, please change the frequency
band programming, as it is described in this owner’s manual. This receiver is factory
pre-programmed on the CE European frequency band (CEPT 40CH FM).
Thank you for purchasing this new CB Monitor receiver ! You will be pleased to discover the
multiple advantages of been informed of "What's going on the road" while you are driving you
vehicle, by listening to the interesting radio communication among truck drivers and other
Citizen Band users. A great way to improve your traveling and driving confort !
