Uniden PC78LTW Support Question
Uniden PC78LTW Support Question
Find answers below for this question about Uniden PC78LTW.Need a Uniden PC78LTW manual? We have 1 online manual for this item!
Question posted by Duncantools on January 31st, 2012
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Related Uniden PC78LTW Manual Pages
English Owners Manual - Page 2
... To Receive 6 Weather Information 7 To Transmit 8 Multi-Function Meter 8 Preventive Maintenance 9 Maintenance 9 Servicing Your Transceiver 10 Troubleshooting 10 Radio Code Definitions 11 Specifications 12 Two-Year Extended Warranty 13
Unpacking
Carefully unpack your PC78LTW and check the contents against this list: s PC78LTW CB 2-way mobile radio s Microphone s Mounting Bracket Kit s DC...
English Owners Manual - Page 3
..., select an active channel and ask that CB Radio Service operators are strictly prohibited. Channel 9 is under the jurisdiction of the Federal Communications Commission (FCC). This is a registered trademark of Uniden America Corporation. Emergency Operation
1. pc78ltw.qxd 2/24/99 8:24 AM Page 1
Description
Your Uniden PC78LTW represents the highest quality communications device designed...
English Owners Manual - Page 4
RX/TX Indicator: Red-transmitting; green-receiving. 12. MIC GAIN: Adjusts microphone sensitivity. 6. Weather Channel Knob: Selects weather channel. 9. ANT: Indicates a high SWR condition in strong signal areas. 5. BRT/DIM: Adjusts the brightness of LED Channel Display, RX/TX
Indicator, and RF Signal Meter. 16. VOLUME: Turns radio on or off ; SQUELCH: Reduces...
English Owners Manual - Page 5
.../CAL: Selects meter function. See page 8 for SWR measurements only. ANT.: Connects antenna cable to remotely
monitor receiver. CB/WX/PA Switch: Selects PA (Public Address) WX (Weather Radio) or CB. SWR and CAL are for calibration procedures.
19. POWER: Connects DC power to transceiver. 21. pc78ltw.qxd 2/24/99 8:24 AM Page 3
17.
English Owners Manual - Page 6
... bracket to help you install only a high quality antenna. Attach radio to prevent electrolysis between the fittings in the hull and the water... Select a location that of the radio. 5. Install bracket with the driver or passenger.
2. Connect wiring. (See instructions for operating the radio, but does not interfere with self-tapping screws provided. 3. pc78ltw.qxd 2/24/99 8:24 AM Page...
English Owners Manual - Page 7
... cord to a point in any 12-volt DC negative or positive ground system vehicle. With a negative ground system, the negative (-) battery terminal is turned off. pc78ltw.qxd 2/24/99 8:24 AM Page 5
CONNECTING THE POWER CORDS
We recommend connecting the power lead to the vehicle motor block. This transceiver may be...
English Owners Manual - Page 8
... unit ON and set VOLUME Control to NB/ANL. Turn SQUELCH fully counterclockwise until the hiss stops. To scan for stronger transmission and signal clarity. pc78ltw.qxd 2/24/99 8:24 AM Page 6
To Receive
Be sure that the power source, antenna, and microphone are properly connected before proceeding. 1. Select CHANNEL.
3. Set...
English Owners Manual - Page 9
... will hear only weather broadcasts and Weather Alert Signals. Weather Information
Your PC78LTW combines a CB Radio with best reception.
The Weather Alert System sounds a seven-second signal in strong signal areas.
6. pc78ltw.qxd 2/24/99 8:24 AM Page 7
Set SQUELCH only when the radio is not receiving a strong signal. 5. Adjust RF GAIN knob (small) to...
English Owners Manual - Page 10
... adjusting the needle to CAL. 2. To measure SWR: 1. Check both ends of antenna.
Select a channel. 2. Press microphone PTT
switch. (Transmit) 3. When the channel is acceptable. pc78ltw.qxd 2/24/99 8:24 AM Page 8
To Transmit
Perform a voltage Standing Wave Ratio (SWR) measurement prior to the cable or antenna.
8 Be sure to the proper length...
English Owners Manual - Page 11
To use , position the meter switch at S/RF. The meter swings to read transmitting power. S 3, S 5, S 7 . . . Be sure all electrical connections are ...fuse and inspect. Press microphone PTT switch to indicate signal strength. i.e. Twist to do so may void your PC78LTW. Failure to open. S-Meter: Measures incoming signal strength. Be sure all screws and mounting hardware are tight....
English Owners Manual - Page 12
... Center at all times in accordance with the FCC Citizens Radio Service regulations. u Check MIC GAIN and adjust to MAX. to CB. CST, Monday through Friday.
u Check vehicle electrical system. u Set CB/WX/PA switch to 5:00 p.m. u Check MIC GAIN and adjust to MAX. pc78ltw.qxd 2/24/99 8:24 AM Page 10
Troubleshooting
Problem...
English Owners Manual - Page 13
... 10-28 10-29 10-30
10-32
10-33 10-34
Received poorly Receiving well Stop transmitting OK, message received Relay message Busy, stand by Out of service, leaving air In service,...10-91 Talk closer to call Repeat message Transmission completed, standing by CB radio operators for us?
pc78ltw.qxd 2/24/99 8:24 AM Page 11
Radio Code Definitions
The following list contains common "10-Codes" used by...
English Owners Manual - Page 14
... to +60°C (DSC on) Plug-in PA. pc78ltw.qxd 2/24/99 8:24 AM Page 12
Specifications
General
Channels: CB Frequency Range: Weather Frequency Range:
Frequency Control: Frequency Tolerance:...Hz 16 ohms, round 8 ohms, disables internal speaker when connected
4 watts into external speaker
8 ohms when CB/PA switch is in type; 600 ohms dynamic 13.8 VDC nominal (positive or negative ground) TX: AM...
English Owners Manual - Page 15
... the performance of this warranty. Warrantor, at :
Uniden America Corporation Parts and Service Division 4700 Amon Carter Blvd Fort Worth, TX 76155 (800) 297-1023, 8 a.m.
pc78ltw.qxd 2/24/99 8:24 AM Page 13
Two-Year Extended Warranty
Important: Evidence of original purchase is required for this product.
STATEMENT OF REMEDY: In...
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