Instruction/ maintenance manual of the product 29 LTD BT Cobra Electronics
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A N T / ® ® The Citizens Band lies between the shortwave broadcast and 10-meter Amateur r adio bands, and was established by law in 1949. The Class D two-way c ommunications ser vice was opened in 1959. (CB also includes a Class A citizens band and Class C remote con trol frequencies.
426- 002- N-00 1 Repl acem ent DC P ower C ord 251- 353- 9-00 1 Repl acem ent Mo unti ng Bra cket 634-081-9-001 Replacement Thumb Screws 741-080-9-001 Replacement Microphone Bracket HG A1000 21” Bas.
H ow t o Us e Y ou r C ob ra 2 9 L T D BT Cont ents Fea tures .. ... .. .. ... .. .. .. ... .. .. ... .. .. .. ... .. .. ... .. .. .. ... .. .. ... .. .. .. ... .. .. ... .. .. .. ... .. .. ... .. .. .. ... .. .. ..... .. .1 The CB Story .............
Installation Installation Location 3 2 Mounting and Connection Mounting and C onnection Hold the radio with the mounting bracket in the exact desired location. If there is no interference, r emove the bracket and use it as a template to mark the location f or the mounting screws.
Installation Installation 5 4 Note Connecting to an accessory fuse prevents the unit from being lef t on accidentally , and also permits operating the unit without running the engine. Note In positive ground vehicles the red wire goes to the chassis and the black wire is connected to the ignition switch.
Ignition Noise Interference Antennas Use of a mobile receiv er at low signal levels is normally limited by the presence of electrical noise. The primar y source of noise in automobiles is from the alternator and ignition syst em. T ypically , when signal lev el is adequate, the background noise does not present a serious problem.
ANT The CB/P A button should be in the CB position. Operation 9 Operation T urning On Setting Channel Selector 8 T urning On Make sure the power cord , antenna and microphone are connected to their proper connectors before starting. Setting Channel Selec tor 2 1 Ro ta te t he On /Of f V olu me kn ob cl oc kwi se to a normal listening level.
ANT/ Operation Operation Calibrate For SWR (Standing W ave Ratio) 11 10 Note Antenna Indicator LED will illuminate when TX if SWR is high. Note Calibration must be made in an open area (never in a gar age). V ehicle doors must be closed. No one should be standing near the antenna.
Operation 13 Operation 12 Note The reading will be slightly higher on Channels 1 and 40 compared to Channel 20. Note When switched to SWR position the meter needle should ideally be as far to the left as possible. An yth ing ov er 3 is n ot a cc ep ta ble .
Operation Operation Bluetooth ® 15 14 Bluetooth Calls on a Bluetooth enabled cell phone can be rout ed thr ough the 2 9 L TD BT spea ker or extern al speaker accessor y . T o Pair with a C ell Phone With 2 9 L TD BT powe r On, pres s and ho ld th e BT But ton for six seconds to ent er Standby mode.
ANT/ Operation 17 Operation 16 Switch to NOR to select desired channel. 1 Selecting A Channel Selec ting A Channel ANT/ NB-ANL/ANL/ OFF (Noise Blanker / Automatic Noise Limiter) Switch Note The RF noise blanker is v er y effective in reducing repetitiv e noises such as ignition interference.
The S/RF-SWR-CAL switch must be in the S/RF position to read the meter . 1 S-Meter S-Meter Swings proportionately to strength of incoming signal when receiving . Operation Operation 19 18 RF Gain Control RF Gain Contr ol The RF Gain is used to optimize recepti on in strong or weak signal areas .
F ull clo ckwise rotation closes the gate allowing only very strong signals to enter . F ull counterclockwise rotation opens the “ gate ” allowing all signals in. T o achieve the Desired Squelch Setting (DSS), turn the Squelch control counterclockwise until you hear noise .
Setting Dynamike® This controls the micr ophone sensitivity (outgoing audio level). T o T ransmit 23 T o T ransmit T ransmit T alkBack 22 Setting Dynamike ® Caution! Be sure the antenna is properly connected to the radio befor e transmitting .
Operation Operation P A (Public Address) 25 24 P A (Publ ic Address) Connect an external P A speak er to the P A jack on the rear panel. Set CB/P A switch to P A position. Push and hold microphone button and speak in a normal voice. Y our voice will now transmit on the P A speaker .
T emporary Mobile Set-Up 27 Base Station Operation (From 120V AC House Current) T emporary Mobile Set-Up T emporar y Mobile Operation F or temporary mobile operation you may wan t to purchase an optional automobile pow er adapter from your C OBR A dealer .
How Y our CB Can Serve Y ou How Y our CB Can Serve Y ou 29 28 The FC C gives these examples of permitted and prohibited messages for channel 9. These are only guidelines and not all-inclusive: P ermitted Example Message Y es “ T ornado sighted six miles nor th of town.
How Y our CB Can Serve Y ou How Y our CB Can Serve Y ou 31 30 Code Meaning 10-29 Time is up for contact 10-30 Does not conform to FC C rules 10-33 Emergency traffic 10-34 T rouble at this station 10-3.
29 L TD BT Specifications Frequency Ranges 33 32 G ENERAL C h a n n e l s ..........................C B -4 0C H Frequency Range . . . . . . . . . . . . . . . . . . CB - 26.965 to 27.405 MHz F requency T olerance . . . . . . . . . . . . . . . 0.005 % Frequency Control .
Optional Accessories 35 Replacement DC P ower Cord For in v ehicle use 426-002-N-001 Replacement Mounting Brack et For in v ehicle use 251-353-9-001 Replacement Thumb Screws For in v ehicle use 634-08.
Dynamic External Speaker HG S100 Noise Canceling External Speaker HG S300 Noise Canceling With T alk Back External Speaker HG S500 O p ti on al A cc es so ri es Y ou c an find quality Cobra products and accessories at your local Cobra dealer , or in the U.
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If you already are a holder of Cobra Electronics 29 LTD BT, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Cobra Electronics 29 LTD BT.
However, one of the most important roles played by the user manual is to help in solving problems with Cobra Electronics 29 LTD BT. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Cobra Electronics 29 LTD BT along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
