Uniden PC78 manual To Transmit, Multi-Function Meter

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To Transmit

Perform a voltage Standing Wave Ratio (SWR) measurement prior to using the transmitter. A SWR ratio in excess of 2:1 may damage the transmitter.

Be sure to read and understand Part 95, FCC Rules and

Regulations before operating your transmitter.

1. Select a channel.

2. Adjust MIC GAIN.

3. When the channel is clear, press the microphone PTT switch and speak.

Multi-Function Meter

SWR Meter: Measures SWR (standing wave ratio) of antenna. Use to check antenna system or to adjust your antenna to the proper length.

To measure SWR:

1. Position meter switch to CAL.

2. Press and hold microphone PTT switch. (Transmit)

3. Calibrate meter with SWR knob by adjusting the needle to the mark.

4. Move the meter switch to the SWR position while pressing the microphone PTT switch.

5. Release the PTT switch.

A reading following two is acceptable. Higher readings indicate a problem in the antenna system. Problems may be caused by humidity, vibration, or corrosion. Check both ends of the coaxial cable connector. Also check for damage to the cable or antenna.

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Contents Page Contents UnpackingElimination of Licensing DescriptionEmergency Operation Controls and Functions Front View PC78 Elite Backlighted PanelRear View Installation Mobile Station InstallationConnecting the Power Cords To Receive Weather Information To Transmit Multi-Function MeterPreventive Maintenance MaintenanceTroubleshooting Servicing Your TransceiverRadio Code Definitions Code MeaningSpecifications GeneralTwo-Year Extended Warranty Uniden America Corporation

PC78 specifications

The Uniden PC78 is a robust and versatile CB radio that has earned a reputation among enthusiasts for its reliability and performance. As a part of Uniden’s long-standing tradition of quality communication devices, the PC78 is designed for both casual users and serious CB radio operators.

One of the standout features of the Uniden PC78 is its sleek design coupled with a user-friendly control interface. The radio comes with an easy-to-read LCD display that illuminates for visibility in low-light conditions. This feature is essential for nighttime operations, allowing users to easily see channel numbers and other vital information without straining their eyes.

The PC78 operates on the 40-channel Citizens Band frequency, providing ample options for communication. It also includes an automatic noise limiter, which helps to reduce background noise and ensure clearer audio quality during transmissions. This technology is especially useful in areas with significant electronic interference, helping users maintain a clear connection.

Another key characteristic of the Uniden PC78 is its power output. The radio operates at 4 watts of maximum power, which is standard for most CB radios, ensuring that users can communicate effectively over reasonable distances. Additionally, the radio is equipped with a built-in SWR (Standing Wave Ratio) meter, which allows users to tune their antennas for optimal performance, ensuring maximum signal strength and clarity.

The PC78 also supports an array of advanced features, including automatic squelch control, which automatically mutes the speaker when no signals are present, preventing unwanted noise. The dynamic squelch control further enhances this feature, adapting to varying signal levels.

Furthermore, the Uniden PC78 includes a dual watch function that allows users to monitor two channels simultaneously, facilitating communication flexibility. Users can easily switch between their primary channel and a secondary one, making it easier to stay updated on different conversations.

In terms of durability, the Uniden PC78 is built to withstand the rigors of daily use, making it suitable for both in-vehicle and base station setups. Its sturdy construction ensures long-lasting performance, making it a reliable choice for both everyday use and rugged environments.

In conclusion, the Uniden PC78 is a feature-rich CB radio that combines advanced technology with user-friendly operation. Its clarity, durability, and range of functionalities make it an excellent choice for anyone looking to enhance their communication capabilities in the CB radio realm. Whether for work or leisure, the PC78 stands out as a dependable option in the competitive market of CB radios.