Sony SRF-39FP Operating Instructions

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Year 1999

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Sony SRF-39FP Specification

The Sony SRF-39FP is a compact and portable AM/FM radio, designed primarily for environments requiring robust and reliable audio performance. Housed in a durable clear plastic casing, the radio ensures tamper resistance and is particularly popular in correctional facilities. It features an analog tuner that allows for precise station selection across both AM and FM bands. The SRF-39FP is powered by a single AA battery, offering remarkable efficiency with up to 80 hours of continuous use, a testament to its low-power consumption design. The unit is equipped with a mono earphone jack, delivering clear audio while maintaining privacy and minimizing external distractions. A built-in speaker provides additional listening flexibility. The radio's clear case design allows for the visibility of internal components, enhancing security by preventing concealment of contraband. The SRF-39FP is lightweight, weighing approximately 140 grams, and its compact dimensions make it easily portable. Its simple and intuitive controls are designed for ease of use, featuring a tuning dial, volume control, and a band selector switch. Overall, the Sony SRF-39FP is a reliable, energy-efficient, and user-friendly radio, ideal for secure environments where durability and functionality are paramount.

Sony SRF-39FP F.A.Q.

How do I turn on the Sony SRF-39FP radio?

To turn on the Sony SRF-39FP, slide the power switch located on the side of the radio to the 'ON' position.

What type of batteries does the Sony SRF-39FP use?

The Sony SRF-39FP uses one AA battery. It is recommended to use an alkaline battery for optimal performance.

How can I improve the reception on my Sony SRF-39FP?

To improve reception, try extending the antenna fully and repositioning it. Additionally, moving to an area with fewer obstructions or interference may help.

Why is there no sound coming from my Sony SRF-39FP?

Ensure that the volume is turned up and the headphones are properly connected. Also, check the battery to ensure it is not depleted.

How do I change the frequency on the Sony SRF-39FP?

Use the tuning wheel on the side of the radio to adjust the frequency. Turn the wheel until you reach the desired station.

Can I use rechargeable batteries in the Sony SRF-39FP?

Yes, you can use rechargeable AA batteries in the Sony SRF-39FP. However, the battery life may differ from that of standard alkaline batteries.

How do I clean my Sony SRF-39FP?

Use a soft, dry cloth to gently wipe the exterior of the radio. Avoid using any harsh chemicals or solvents that might damage the surface.

Is it possible to use external speakers with the Sony SRF-39FP?

The Sony SRF-39FP is designed primarily for use with headphones. While it does not have a built-in output for external speakers, some users may find adapters that allow for such connections.

What should I do if my Sony SRF-39FP gets wet?

Immediately turn off the radio and remove the battery. Allow the radio to dry completely before attempting to use it again. If damage occurs, consider seeking professional repair services.

How do I know when the battery in my Sony SRF-39FP needs to be replaced?

If the radio's sound becomes distorted or the volume is low despite being turned up, it may be time to replace the battery. A decrease in reception quality may also indicate a low battery.