Cobra Electronics 18WXSTII Users manual
18 WX ST.NEW LAYOUT(4279)2a 8/9/00 4:25 PM Page 1
How to Use Your
Cobra 18WXST II
Contents
Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
The CB Story . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A1
Licensing/Warning/Included Accessories. . . . . . . A1
Controls and Indicators . . . . . . . . . . . . . . . . . . . . . . . A2
Our Thanks toYou. . . . . . . . . . . . . . . . . . . . . . . . . . . . . A3
Customer Support . . . . . . . . . . . . . . . . . . . . . . . . . . A3
Operating Your CB Mobile Radio
Installation/Connection. . . . . . . . . . . . . . . . . . . . . . . . . . 2
Turning On. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
CB Antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Microphone Connector . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Squelch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Setting Squelch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Channel Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Channel 9/19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
CB/Weather. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Dual Watch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Scan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Soundtracker System . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Activating Soundtracker System. . . . . . . . . . . . . . . . . 11
S/RF Power Meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
RX/TX Indicator LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Antenna Connector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
External Speaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Ignition Noise Interference. . . . . . . . . . . . . . . . . . . . . . 14
Temporary Mobile Operation. . . . . . . . . . . . . . . . . . . . 14
Operation to Receive/Transmit . . . . . . . . . . . . . . . . . . 15
Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Frequency Ranges. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Warranty. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
If You Think You Need Service . . . . . . . . . Back Cover
Features of This Product
• 40 CB Radio Channels
• 10 Weather Channels
• SoundtrackerTMSystem
• Instant Channel 19 and 9
• 40 Channel Scan
• Dual Watch
• Front Firing Speaker
• Channel Saver Circuitry
• Dynamic Microphone
• 9 Foot Mic Cord
• Front Panel Microphone
Connector
1
18 WX ST.NEW LAYOUT(4279)2a 8/9/00 4:25 PM Page 2
O p e r a t i o nInstallation Installation
Mounting and
Connections
Note
The transceiver is held in the
universal mounting bracket by
two thumb screws,permitting
adjustment at the most convenient angle.
A universal mounting bracket
is supplied along with self tapping screws and star washers.
To mount the transceiver:
Mo u nting and Co n n e ct i o n s
Se l e ct a location for the tra n s ce i ver and microphone bra c ket that is co nve n i e nt for ope rat i o n .
In auto m o b i l e s,the tra n s ce i ver is usually mounte d
to the undern e ath of the dash panel,with the
m i c rophone bra c ket beside it.
1Hold the radio with mounting bra c ket in the
ex a ct location desire d.Re m ove the mount i n g
b ra c ket and use it as a te m p l ate to mark the
l ocation for the mounting scre ws.
CB Transceiver
4Co n n e ct the red lead of DC power co rd to an
a c ce s s o ry 12 volt fuse.
5Co n n e ct the orange lead to a co n s t a nt 12v fuse
( i e :c i g a re t te lighter or dire ct to bat te ry )
6Co n n e ct the black lead to the negat i ve side of
the auto m o b i l e.This is usually the chassis.Any
co nve n i e nt location with good elect ri cal co nt a ct
( re m ove paint) may be used.
O p e r a t i o n
Mounting and
Connections
Note
Before installing the CB radio,
visually check the vehicle battery connections to determine
which battery terminal,positive or negative (positive is the
larger of the two) is grounded
to the engine block
(or chassis).
7Mo u nt the microphone bra c ket on ri g ht side of
the tra n s ce i ver or near it using two scre ws sup-
2Drill nece s s a ry holes and secure mount i n g
b ra c ket in locat i o n .
3Co n n e ct the antenna cable plug to the re ce p t a-
cle marked “A N T”on the back of the unit.
p l i e d.When mounting in an auto m o b i l e,p l a ce
the bra c ket under the dash so the micro p h o n e
is readily acce s s i b l e.
8Attach the 4-pin microphone cable to recepta-
cle on front of unit and install unit in bracketsecurely.
2
3
18 WX ST.NEW LAYOUT(4279)2a 8/9/00 4:25 PM Page 4
Operation
Turning on
Your Radio
CB Antenna
No te
Co b ra loaded-ty pe ante n n a
m odels HGA 1000,HGA 1500,
and HGA 2000 are highly re commended for most installat i o n s. Consult your Co b ra dealer for further details (or see
o rder form at the back of
this boo k ) .
3 - Way Combination An te n n a s
a re available which allow ope ration of all three bands (AM-FM
& CB),using a single ante n n a .
Howeve r,use of this ty pe of
a n tenna usually results in less
than normal transmit and
re ce i ve range when co m p a re d
to a standard - ty pe "Si n g l e
Band" antenna designed for
CB only.
Tu rning on
Tu rn volume co nt rol cloc kwise to turn power on
and set the desired listening vo l u m e.
CB Ante n n a
Only a pro pe rly matched antenna sys tem will
a l l ow maximum power output.
In mobile installations (ca r s,t ru c k s,bo at s,e tc. ) ,
an antenna sys tem that is non-dire ctional should
be used.
When installed in a bo at,the tra n s ce i ver will not
o pe rate at maximum efficiency without a gro u n d
p l ate unless the vessel has a steel hull.Be fo re
installing the tra n s ce i ver in a bo at,consult yo u r
dealer for info rm ation re g a rding an adequate
g rounding sys te m .
Mi c rophone Co n n e ctor
Al l ows for co nve n i e nt re m oval of the micro p h o n e
plug when sto rage is re q u i re d.The micro p h o n e
MUST be co n n e cted to the unit at all times when in
u s e,for pro per ope rat i o n .
Sq u e l c h
This co nt rol is used to cut off or eliminate re ce i ve r
b a c kg round noise in the absence of an inco m i n g
s i g n a l . Adjust until the re ce i ver noise disappe a r s.
This will re q u i re the incoming signal to be slight l y
s t ronger than ave rage re ce i ver noise.Fu rther cloc kwise ro t ation will increase the threshold leve l
which a signal must ove rcome in order to be heard.
Only strong signals will be heard at a maximum
c l oc kwise setting.
O p e r a t i o n
Microphone
Connector
Squelch
4
5
18 WX ST.NEW LAYOUT(4279)2a 8/9/00 4:25 PM Page 6
O p e r a t i o n
Setting
Squelch
Gate closed
Gate open
Setting Squelch
Squelch is the “control gate”for incoming signals.
1 . Fullclockwise rotation closes the gate
allowing only very strong signals to enter.
2 . Fullcounterclockwise rotation opens the “gate”
allowing all signals in.
3 . To achieve the De s i red Squelch Setting (DSS),
t u rn the Squelch co nt rol co u n te rc l oc kw i s e u nt i l
you hear noise. Now turn the co nt rol c l oc kw i s e
just until the noise sto p s. This is the DSS setting.
O p e r a t i o n
Gate set to Desired
Squelch Setting (DSS)
6
7
18 WX ST.NEW LAYOUT(4279)2a 8/9/00 4:25 PM Page 8
O p e r a t i o n
Channel
Selection
Channel 9/
Channel 19
CB Weather
Set CB or W XMod e
Set on CB mod e. Ro t ate channel knob cloc kw i s e
u ntil desired channel is displaye d.
Channel 9/Channel 19
Press CH 9/19 to obtain instant access to emerg e n cy
channel 9.Press again for info rm ation CH 19.
PRESS AND RELEASE
C B / We at h e r
CB mode is for normal CB ope rat i o n .Pre s s
C B / We ather again and select act i ve We ather channel
in your are a .
Dual Watc h
This fe at u res allows the user to scan be tween two
s e l e cted channels.
1 . Se l e ct first channel,CB mod e.
PRESS AND HOLD
2 . Press and hold DW until LED begins flashing and
beeps once.
3 . Se l e ct second channel.Press DW until LED light s
s te a dy and radio beeps tw i ce. Two channels are
n ow sto red in DW memory.
S ca n
Press and release SCAN button to act i vate CB sca n
m od e.If the radio is squelched,radio begins to sca n .
PRESS AND RELEASE
When scan is inte rru p ted by a signal,s can stops and
holds until loss of signal.Press PTT on mic to sto p
s can funct i o n . Press Scan to re s t a rt CB sca n .
O p e r a t i o n
Dual Watch
Note
The radio needs to be
squelched before DWcan
monitor both channels.
Scan
Note
On some channels squelch
setting might have to be re-set.
PRESS AND RELEASE
8
9
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