Cobra Hh37stml Handheld Tranciever Manual

							How Your CB Can Serve You How Your CB Can Serve You1716The FCC gives these examples of permitted and
prohibited messages for channel 9.These are
only guidelines and not all-inclusive:
Permitted      Example Message
Yes“Tornado sighted six miles north 
of town.”
No“Post number 10.
No tornado sighted.”
Yes“Out of gas on I-95 at mile 
marker 211.”
No “Out of gas in my driveway.”
Yes“Four car accident on I-94 at
Exit 11.Send police and 
ambulance.”
No “Traffic moving smoothly on I-94.”
Yes“Weather Bureau has issued 
thunderstorm warning.
Bring sailboat into port.”
No “Attention motorists.
Weather Bureau advises snow
tomorrow will accumulate
4 to 6 inches.”
Yes“Fire in building at 539 Main,
Evanston.”
No“Halloween patrol number 3.
All quiet.”1.Set to channel 9 for emergencies
Be sure antenna is properly connected.
2.CB Distress Data
When transmitting an emergency, you should
request a “REACT BASE”and provide the CB 
distress data (called CLIP):
Call SignIdentify yourself.
LocationBe exact.
InjuriesNumber. Type. Trapped?
ProblemGive details and help needed.
Transmit C L I Pre pe atedly so any monitor can assist.
Channel 9
Emergency
MessagesNote
If no response on channel 9,
try channels 19 or 14.• Warn of traffic problems
• Provide weather and road data
• Provide help in event of an emergency
• Provide direct contact with home or office
• Assist police by reporting erratic drivers
• Get “local information” to find destination
• Communicate with family and friends
• Suggest spots to eat and sleep
• Keep you alert while traveling
A Few Rules You Should Know
A.Co nve r s ations cannot last more than 5 minute s
with another station.A one minute break is
required to let others use the channel.
B. You cannot blast others off the air by use of 
illegally amplified transmitters or illegally 
high antennas.
C.You cannot use CB to promote illegal activities.
D. Profanity is not allowed.
E. You may not transmit music with a CB.
F. Selling of merchandise and/or services is               
prohibited.
A Few Rules 
You Should 
Know37st manual layout.5  10/1/98 9:56 AM  Page 22 
						

							How Your CB Can Serve You How Your CB Can Serve You1918CodeMeaning   
10-29Time is up for contact
10-30 Does not conform to FCC rules
10-33     Emergency traffic   
10-34Trouble at this station
10-35     Confidential information
10-36     Correct time is
10-37     Wrecker needed at
10-38     Ambulance needed
10-39     Message delivered
10-41     Turn to channel
10-42     Traffic accident at
10-43     Traffic tie up at
10-44     Have a message for
10-45     All units within range please report
10-50     Break channel
10-60     What is next  message number?
10-62     Unable to copy. Use phone
10-63    Net directed to
10-64     Net clear
10-65     Awaiting your next message/assignment
10-67     All units comply
10-70     Fire at
10-71     Proceed,transmission in sequence
10-77    Negative contact
10-81Reserve hotel room for
10-82Reserve room for
10-85My address is
10-91Talk closer to mic
10-93     Check my frequency on this channel
10-94Give me a long count
10-99     Mission completed,all units secure
10-200Police needed at CB 10-Codes
Citizen Bands have adopted the “10-CODES” for
standard questions and answers. These codes
p rovide quick and easy co m m u n i cat i o n ,e s pe c i a l l y
in noisy areas. Following are some of the more
common codes and meanings:
CodeMeaning           
10-1     Receiving poorly
10-2     Receiving well
10-3     Stop transmitting
10-4     OK,message received
10-5     Relay message
10-6     Busy,stand by
10-7     Out of service,leaving
10-8     In service,subject to call
10-9     Repeat message
10-10     Transmission completed standing by
10-11     Talking too rapidly
10-12     Visitors present
10-13     Advise weather/roads 
10-16     Make pick up at
10-17     Urgent business
10-18     Anything for us?
10-19     Return to base
10-20     My location is
10-21     Call by phone
10-22 Report in person to
10-23     Stand by
10-24     Completed last assignment
10-25     Can you contact
10-26     Disregard last info
10-27 Moving to channel
10-28     Identify your station
CB 10-Codes37st manual layout.5  10/1/98 9:56 AM  Page 24 
						

							HH37 ST Specifications Frequency Ranges2120GENERAL
CHANNELS. . . . . . . . . . . . . . . . . . CB - 40 CH 
FREQUENCY RANGE. . . . . . . . . . CB - 26.965 TO 27.405 MHZ
FREQUENCY TOLERANCE. . . . . 0.005 %
FREQUENCY CONTROL . . . . . . . PLL (PHASE LOCK LOOP) SYNTHESIZER
OPERATING TEMPERATURE 
RANGE. . . . . . . . . . . . . . . . . . . . . . -30° C TO + 50° C
MICROPHONE. . . . . . . . . . . . . . . . ELECTRET,PUSH-TO-TALK
INPUT VOLTAGE . . . . . . . . . . . . . 13.0V DC,INTERNAL BATTERIES
13.8 VDC,EXTERNAL
ANTENNA CONNECTOR. . . . . . . TYPE BNC
TRANSMITTER
POWER OUTPUT. . . . . . . . . . . . . 3.5 W AT 12 VDC  - HIGH,0.8 W IN LOW
4.0 W AT 13.8 VDC - HIGH,1.0 IN LOW
MODULATION. . . . . . . . . . . . . . . AM
FREQUENCY RESPONSE. . . . . . . 300 - 3000 HZ AT -6 DB
OUTPUT IMPEDANCE. . . . . . . . . 50 OHMS,UNBALANCED
RECEIVER
CB
SENSITIVITY. . . . . . . . . . . . . . . . . . LESS THAN 1 uV FOR 10 DB S/N
IF FREQUENCY. . . . . . . . . . . . . . . DUAL CONVERSION
1 ST - 10.690 MHZ,2ND - 455 KHZ
AUDIO OUTPUT. . . . . . . . . . . . . . 500 mW MAXIMUM AT 10 % DISTO RT I O N
FREQUENCY RESPONSE. . . . . . . 300 - 3000 HZ AT -6 DB
2ND IF IMAGE REJECTION. . . . . GREATER THAN 60 DB
ADJACENT CH.REJECTION. . . . 50 DB MIN.
AUTOMATIC NOISE LIMITER. . . BUILT- IN
FREQUENCY CONTROL . . . . . . . PLL (PHASE LOCK LOOP)
MAX.SIGNAL TO NOISE RATIO.58 DB WITH ST ON
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 DB WITH ST OFF The COBRA HH37 ST transceiver represents one of
the most advanced AM two-way radios used as a
Class D station in the Citizens Radio Service. This
unit features advanced Phase Lock Loop (PLL) 
circuitry providing complete coverage of all 40 CB
channels.
126.9652127.215
226.9752227.225
326.9852327.255
427.0052427.235
527.0152527.245
627.0252627.265
727.0352727.275
827.0552827.285
927.0652927.295
1027.0753027.305
1127.0853127.315
1227.1053227.325
1327.1153327.335
1427.1253427.345
1527.1353527.355
1627.1553627.365
1727.1653727.375
1827.1753827.385
1927.1853927.395
2027.2054027.405 Channel Channel
CBFreq.CB Freq.
ChannelIn MHzChannelIn MHz37st manual layout.5  10/1/98 9:56 AM  Page 26 
						

							Optional Accessories Limited Two Year Warranty2322COBRA ELECTRONICS CORPORATIONwarrants that its
COBRA CB Radios,and the component parts thereof,will
be free of defects in workmanship and materials for period
of two (2) years from the date of first consumer purchase.
This warranty may be enforced by the first consumer 
purchaser,provided that the product is utilized within 
the U.S.A.
COBRA will,without charge, repair or replace, at its option,
defective CB radios,products or component parts upon
delivery to the COBRA factory Service Department,accom-
panied by proof of the date of first consumer purchase,
such as a duplicated copy of a sales receipt.
You must pay any initial shipping charges required to ship
the product for warranty service,but the return charges
will be at Cobras expense,if the product is repaired or
replaced under warranty.
Exclusions:This limited warranty does not apply;1) to any
product damaged by accident;2) in the event of misuse or
abuse of the product or as a result of unauthorized alter-
ations or repairs;3) if the serial number has been altered,
defaced or removed;4) if the owner of the product resides
outside the U.S.A.
All implied warranties,including warranties of 
merchantability and fitness for a particular purpose 
are limited in duration to the length of this warranty.
COBRA shall not be liable for any incidental,consequen-
tial or other damages;including,without limitation,
damages resulting from loss of use or cost of installat i o n .
Some states do not allow limitations on how long an
implied warranty lasts and/or do not allow the exclusion
or limitation of incidental or consequential damages,so
the above limitations may not apply to you. Cobra Electronics
Corporation
6500 West Cortland Street
Chicago,Illinois 60707Ear Bud Mic with PTT
I n te g ra ted spe a ker/mic adapter that
fits in your ear. Includes shirt clip.
M A- E B M$ 2 9 . 9 5
Vox Mic
VOX (Vo i ce Ope ra ted Tra n s m i t te r )
a d a p ter allows you hands-free ope ra t i o n .
M A- VOX$ 4 9 . 9 5
(1) High Pe rfo r m a n ceNi-Cad
Rechargeable Battery Cell
2 1 2 - 0 0 1 - N - 0 0 1$3.95 ea.Replacement Belt Clip
H A- B C$ 4 . 9 5BNC/SO239 Antenna Adapter
Al l ows co n n e ction of the 45 WX ST
to standard ante n n a s.
CA- 4 3$ 5 . 9 5
You Can Find These Fine
Accessories At Your Local
Cobra CB Dealer
If you wish,you can order
directly from Cobra.
Order by phone
Call 1.773.889.3087 
(Press 1 from the main menu)
8 a.m.-8 p.m.M-F CST.
Order by mail or fax
Please fill out order form
on next page,and mail/fax
directly to Cobra. 120 Volt A/C Wall Ch a rger 
with Pl u g
Ch a rges 9 N i - Cad batte ry cells  in 24
hours right in the unit.
CA- 2 5$ 1 0 . 0 0
Lapel Microphone
Remote microphone/speaker 
connection.
CA- 4 0$ 2 5 . 9 5
Long Range An te n n a
Doubles the range 
of your HH 37 ST.
CA- 4 1$ 2 5 . 9 5Magnetic Mount
Weather Antenna 
Allows greater 
transmission range 
while in a moving 
vehicle.
ATW- 4 0 0$ 2 9 . 9 537st manual layout.5  10/1/98 9:56 AM  Page 28 
						

							Accessory Order Form24Tax Table
Illinois residents add 7%
Cook Co. residents add .75% (7.75% total)
Chicago residents add 1% (8.75% total)
Indiana residents add 5%
Michigan residents add 4 % 
Minnesota residents add 6%
Ohio residents add 6%
Wisconsin residents add 5%
For credit card orders fill out order
form and fax to:1.773.622.2269
or call 1.773.889.3087
(Press 1 from the main menu)
8:00 am - 8:00 pm,M-F,CST.Ma ke check or money order (no stamps)
payable to:
Cobra Accessories Dept.
6500 West Co rtland St. Ch i ca g o, IL 60707 Prices subject to change without notice.Please print clearly
Name
Address (No P.O. Box)
CityState
Zip
Telephone (       )
Credit Card No.Exp. Date
Customer Signature
Circle One:Visa    MasterCard    Discover
Allow 4 to 6 weeks for delivery. Offer valid in Continental U.S.only.Subtotal
(Tax if applicable)  
Shipping/handling$4.00
Total Item #DescriptionCost Ea.Qty. AmountM A - E B MEar Bud Mi c$ 2 9 . 9 5
M A - VOX Vox Mi c$ 4 9 . 9 5
2 1 2 - 0 0 1 - N - 0 0 1(1) Ni-Cad Re c h a rgeable Bat te ry Cell $3.95
HA-BCReplacement Belt Clip$4.95
CA-25120 V A/C Wall Ch a rger with Pl u g$ 1 0 . 0 0
CA-40Lapel Microphone $25.95
CA-41Long Range Antenna $25.95
ATW-400Magnetic Mount Weather Antenna $29.95
CA-43BNC/S0239 Antenna Adapter $5.9537st manual layout.5  10/1/98 9:56 AM  Page 30