English Owners Manual
Page 2
... Station Installation 4 Mobile Station Antenna 4 Marine Installation 4 Connecting the Power Cords 5 Ground Information 5 Negative Ground System 5 Positive Ground System 5 To Receive 6 To Transmit 7 Function Meter 7 Weather Information 8 Preventive Maintenance 9 Maintenance 9 Troubleshooting 10 Servicing Your Transceiver 10 Specifications 11 Radio Code Definitions 13 Unpacking Carefully unpack your PC68LTW and check the contents against this list: s PC68LTW CB 2-way mobile radio s Microphone s Mounting Bracket Kit s DC Power Cord s Reference Guide s Part 95 Subpart D (FCC Rules...
... Station Installation 4 Mobile Station Antenna 4 Marine Installation 4 Connecting the Power Cords 5 Ground Information 5 Negative Ground System 5 Positive Ground System 5 To Receive 6 To Transmit 7 Function Meter 7 Weather Information 8 Preventive Maintenance 9 Maintenance 9 Troubleshooting 10 Servicing Your Transceiver 10 Specifications 11 Radio Code Definitions 13 Unpacking Carefully unpack your PC68LTW and check the contents against this list: s PC68LTW CB 2-way mobile radio s Microphone s Mounting Bracket Kit s DC Power Cord s Reference Guide s Part 95 Subpart D (FCC Rules...
English Owners Manual
Page 3
... Band Radio Service. An operator of a CB radio station is a registered trademark of Uniden America Corporation. Uniden is still required to change the frequency determining method, are no longer required to obtain an FCC License to Channel 9. 2. Elimination of Licensing The FCC has ruled that party to a motorist. pc68ltw.qxd 2/23/99 3:09 PM Page 1 Description Your Uniden PC68LTW represents the highest quality communications device designed for use in Part...
... Band Radio Service. An operator of a CB radio station is a registered trademark of Uniden America Corporation. Uniden is still required to change the frequency determining method, are no longer required to obtain an FCC License to Channel 9. 2. Elimination of Licensing The FCC has ruled that party to a motorist. pc68ltw.qxd 2/23/99 3:09 PM Page 1 Description Your Uniden PC68LTW represents the highest quality communications device designed for use in Part...
English Owners Manual
Page 4
... sets Squelch to optimal level for stronger signals. 12. NB/ANL: Reduces external noise and interference from vehicle ignition systems. 15. CB/WX/PA Switch: Selects PA (Public Address); MIC GAIN: Adjusts microphone sensitivity. 6. Function Meter: Measures RF and S signal strength. 2 CH9/OFF: Turns Channel 9 on or off ; Channel Display: Displays current channel selection. 9. ON/OFF - Weather Channel Knob: Selects weather channel. 7. Channel Knob: Selects channel. 8. WX (Weather Radio) or CB. adjusts speaker volume...
... sets Squelch to optimal level for stronger signals. 12. NB/ANL: Reduces external noise and interference from vehicle ignition systems. 15. CB/WX/PA Switch: Selects PA (Public Address); MIC GAIN: Adjusts microphone sensitivity. 6. Function Meter: Measures RF and S signal strength. 2 CH9/OFF: Turns Channel 9 on or off ; Channel Display: Displays current channel selection. 9. ON/OFF - Weather Channel Knob: Selects weather channel. 7. Channel Knob: Selects channel. 8. WX (Weather Radio) or CB. adjusts speaker volume...
English Owners Manual
Page 5
When the external speaker is plugged in, the internal speaker is off. 19. To prevent acoustic feedback, separate the microphone from the speaker when operating the PA at high output levels. 20. PA SP: Connects optional external 8-ohm, 4-watt speaker for use as a public address system. SP: Connects an 8-ohm 4-watt speaker to transceiver. 3 EXT. ANT: Connects antenna cable to remotely monitor the receiver. pc68ltw.qxd 2/23/99 3:09 PM Page 3 REAR VIEW 17. POWER: Connects DC power to transceiver. 18.
When the external speaker is plugged in, the internal speaker is off. 19. To prevent acoustic feedback, separate the microphone from the speaker when operating the PA at high output levels. 20. PA SP: Connects optional external 8-ohm, 4-watt speaker for use as a public address system. SP: Connects an 8-ohm 4-watt speaker to transceiver. 3 EXT. ANT: Connects antenna cable to remotely monitor the receiver. pc68ltw.qxd 2/23/99 3:09 PM Page 3 REAR VIEW 17. POWER: Connects DC power to transceiver. 18.
English Owners Manual
Page 6
... its performance by the FCC, the quality of a full quarter-wave whip antenna. However, the efficiency of the short whip antenna is limited by installing an inferior antenna. Select a location that you select the proper antenna for operating the radio, but does not interfere with self-tapping screws provided. 3. Your Uniden dealer is very important. Connect wiring. (See instructions for Connecting the Power Cords). 4.
... its performance by the FCC, the quality of a full quarter-wave whip antenna. However, the efficiency of the short whip antenna is limited by installing an inferior antenna. Select a location that you select the proper antenna for operating the radio, but does not interfere with self-tapping screws provided. 3. Your Uniden dealer is very important. Connect wiring. (See instructions for Connecting the Power Cords). 4.
English Owners Manual
Page 7
... Page 5 CONNECTING THE POWER CORDS We recommend connecting the power lead to the vehicle chassis or the positive (+) battery terminal. 5 Then, connect the red power cord to the Ignition Switch Accessory Terminal. Or, the power cord may be connected to an available terminal on the fuse block, or, to the negative (-) battery terminal or other convenient point. This way, the transceiver is automatically turned off . With...
... Page 5 CONNECTING THE POWER CORDS We recommend connecting the power lead to the vehicle chassis or the positive (+) battery terminal. 5 Then, connect the red power cord to the Ignition Switch Accessory Terminal. Or, the power cord may be connected to an available terminal on the fuse block, or, to the negative (-) battery terminal or other convenient point. This way, the transceiver is automatically turned off . With...
English Owners Manual
Page 8
... stops. VOLUME Control to NB/ANL. Set switch to a comfortable level. 2. noise, weak signals, and strong signals. 4c. Dynamic Squelch Control automatically sets Squelch to the optimal level for weaker signals, turn off Dynamic Squelch Control and perform the following steps: 4. Everything gets through . 4b. pc68ltw.qxd 2/23/99 3:09 PM Page 6 To Receive Be sure that the power source, antenna, and microphone are properly connected...
... stops. VOLUME Control to NB/ANL. Set switch to a comfortable level. 2. noise, weak signals, and strong signals. 4c. Dynamic Squelch Control automatically sets Squelch to the optimal level for weaker signals, turn off Dynamic Squelch Control and perform the following steps: 4. Everything gets through . 4b. pc68ltw.qxd 2/23/99 3:09 PM Page 6 To Receive Be sure that the power source, antenna, and microphone are properly connected...
English Owners Manual
Page 9
... read and understand Part 95, FCC Rules and Regulations before operating your transmitter. 1. Function Meter RF Meter: Measures RF Output Power for transmitter. Select a channel. 2. i.e. S 3, S 5, S 7 . . . 7 S-Meter: Measures incoming signal strength. The meter swings to using the transmitter. When the channel is clear, press the microphone PTT switch and speak. pc68ltw.qxd 3/15/99 1:26 PM Page 7 5. Press microphone PTT switch to read transmitting power. To Transmit Perform a voltage...
... read and understand Part 95, FCC Rules and Regulations before operating your transmitter. 1. Function Meter RF Meter: Measures RF Output Power for transmitter. Select a channel. 2. i.e. S 3, S 5, S 7 . . . 7 S-Meter: Measures incoming signal strength. The meter swings to using the transmitter. When the channel is clear, press the microphone PTT switch and speak. pc68ltw.qxd 3/15/99 1:26 PM Page 7 5. Press microphone PTT switch to read transmitting power. To Transmit Perform a voltage...
English Owners Manual
Page 10
... to stop the weather alert signal while using your CB radio normally while monitoring for weather alerts, set the switch to the channel with a Weather Radio and a Weather Alert System. Turn the Weather Channel knob to CB. If you want to hear alerts, turn the Weather Channel knob to receive weather alerts while using your CB radio, or if you will hear only weather broadcasts and Weather Alert Signals. To configure your CB radio to OFF. 8 Set the switch to WX. To use your CB radio: 1. pc68ltw.qxd...
... to stop the weather alert signal while using your CB radio normally while monitoring for weather alerts, set the switch to the channel with a Weather Radio and a Weather Alert System. Turn the Weather Channel knob to CB. If you want to hear alerts, turn the Weather Channel knob to receive weather alerts while using your CB radio, or if you will hear only weather broadcasts and Weather Alert Signals. To configure your CB radio to OFF. 8 Set the switch to WX. To use your CB radio: 1. pc68ltw.qxd...
English Owners Manual
Page 11
...connections are tight. 3. Carefully separate the two pieces. 2. Press ends of trouble-free service. Remove the fuse and inspect. Maintenance The PC68LTW is required. Except for wear or breaks in the DC power cord, no user-serviceable parts inside. Twist to do so may void your PC68LTW. Inspect antenna coaxial cable for the fuse in shielding. 4. If blown, replace...the fuse holder together. Use only the fuse specified for your warranty. 9 Check the Standing Wave Ratio (SWR). 2. To replace a blown fuse: 1. There are tight. Failure to open. pc68ltw.qxd 2/23/99 3:09...
...connections are tight. 3. Carefully separate the two pieces. 2. Press ends of trouble-free service. Remove the fuse and inspect. Maintenance The PC68LTW is required. Except for wear or breaks in the DC power cord, no user-serviceable parts inside. Twist to do so may void your PC68LTW. Inspect antenna coaxial cable for the fuse in shielding. 4. If blown, replace...the fuse holder together. Use only the fuse specified for your warranty. 9 Check the Standing Wave Ratio (SWR). 2. To replace a blown fuse: 1. There are tight. Failure to open. pc68ltw.qxd 2/23/99 3:09...
English Owners Manual
Page 12
... SQUELCH. u Be sure antenna SWR is the user's responsibility to MAX. u Set RF GAIN to CB. Servicing Your Transceiver Technical information, diagrams, and charts are provided on page 1 of system malfunction, perform the following procedures: Problem Unit does not power up No reception Poor Reception No Transmission Low Transmission Suggestion u Check the ignition key position. u Check microphone connection. u Set CB/WXPA switch to MAX. u Check microphone connection. u Check MIC...
... SQUELCH. u Be sure antenna SWR is the user's responsibility to MAX. u Set RF GAIN to CB. Servicing Your Transceiver Technical information, diagrams, and charts are provided on page 1 of system malfunction, perform the following procedures: Problem Unit does not power up No reception Poor Reception No Transmission Low Transmission Suggestion u Check the ignition key position. u Check microphone connection. u Set CB/WXPA switch to MAX. u Check microphone connection. u Check MIC...
English Owners Manual
Page 13
...) Accessories: DC Power Cord Microphone Microphone Hanger Mounting Bracket Size (W x D x H): 7-9/32" x 8-5/8" x 2-13/64" Weight: 3 Pounds TRANSMITTER Output Power: 4 watts Emission Type: 6A3 Hum and Noise: Better than 40 dB Frequency Tolerance: ±0.002% Modulation Percentage (Peak): 100% Spurious Rejection: -70 dB Output Impedance: 50 ohm, unbalanced RECEIVER Sensitivity at 10 dB S+N/N: 0.5 µV Sensitivity at 500 mW Audio Output: 0.5 µV Squelch Threshold: 0.5 µV Antenna Impedance: 50 ohms Squelch...
...) Accessories: DC Power Cord Microphone Microphone Hanger Mounting Bracket Size (W x D x H): 7-9/32" x 8-5/8" x 2-13/64" Weight: 3 Pounds TRANSMITTER Output Power: 4 watts Emission Type: 6A3 Hum and Noise: Better than 40 dB Frequency Tolerance: ±0.002% Modulation Percentage (Peak): 100% Spurious Rejection: -70 dB Output Impedance: 50 ohm, unbalanced RECEIVER Sensitivity at 10 dB S+N/N: 0.5 µV Sensitivity at 500 mW Audio Output: 0.5 µV Squelch Threshold: 0.5 µV Antenna Impedance: 50 ohms Squelch...
English Owners Manual
Page 14
... at any time while this Uniden Product to be shipped freight prepaid, by the owner's manual for two years, to warrantor at its option, repair or replace the defective unit and return it . The Product should include all parts and accessories originally packaged with only the limitations or exclusions set out below. LEGAL REMEDIES: This warranty gives you specific legal rights...
... at any time while this Uniden Product to be shipped freight prepaid, by the owner's manual for two years, to warrantor at its option, repair or replace the defective unit and return it . The Product should include all parts and accessories originally packaged with only the limitations or exclusions set out below. LEGAL REMEDIES: This warranty gives you specific legal rights...
English Owners Manual
Page 15
... CB radio operators for faster communication and better understanding. Nothing for you, return to base My location is next message number 10-62 Unable to copy, use phone 10-63 Net directed to microphone 10-93 Check my frequency on this channel 10-94 Please give me a long count 10-99 Mission completed, all units secure 10-200 Police needed...
... CB radio operators for faster communication and better understanding. Nothing for you, return to base My location is next message number 10-62 Unable to copy, use phone 10-63 Net directed to microphone 10-93 Check my frequency on this channel 10-94 Please give me a long count 10-99 Mission completed, all units secure 10-200 Police needed...