Sony SRF-M90 Operating Instructions

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Sony SRF-M90 Specification

The Sony SRF-M90 is a portable, compact radio designed to deliver high-quality AM/FM reception, ideal for users seeking a reliable and straightforward audio experience. Its design emphasizes portability and ease of use, featuring a lightweight structure that makes it convenient for on-the-go listening. The SRF-M90 is equipped with an AM/FM tuner, providing access to a wide range of radio stations for diverse entertainment and information needs. The device incorporates an analog tuning dial which allows users to seamlessly browse and select their desired stations with precision.

For audio output, the SRF-M90 includes a built-in monaural speaker that delivers clear sound quality, suitable for personal listening in various environments. Additionally, the radio features a headphone jack, offering a private listening experience when connected to headphones, making it versatile for use in public or quiet settings. The unit is powered by AA batteries, ensuring extended playback time without frequent recharging, which enhances its portability.

The design of the Sony SRF-M90 is both functional and ergonomic, with a user-friendly interface that includes clearly labeled controls for tuning and volume adjustment. The radio's durability is augmented by its sturdy construction, which is capable of withstanding everyday use. Overall, the Sony SRF-M90 is a practical choice for users who value simplicity, portability, and reliable performance in a radio device.

Sony SRF-M90 F.A.Q.

How do I set the clock on the Sony SRF-M90?

To set the clock on the Sony SRF-M90, press and hold the "CLOCK" button until the time starts flashing. Use the "TUNE" controls to adjust the hours and minutes, and press "CLOCK" again to save the settings.

What should I do if the radio is not turning on?

First, check if the batteries are properly installed and have enough charge. If using the AC adapter, ensure it's properly connected. Try resetting the device by removing the batteries and unplugging the adapter for a few minutes.

How can I improve radio reception on my Sony SRF-M90?

Extend the antenna fully and adjust its position for better reception. Avoid obstructions and interference from electronic devices. For AM reception, try rotating the device to find the best signal.

Why is there no sound coming from the headphones?

Ensure the headphones are securely plugged into the headphone jack. Check the volume level and make sure the "MUTE" function is not activated. Test with another pair of headphones if possible.

How do I preset radio stations on the Sony SRF-M90?

Tune to the desired station, then press and hold a preset button until you hear a beep. The station is now stored in that preset number. Repeat the process for other stations.

What is the procedure for cleaning the Sony SRF-M90?

Use a soft, dry cloth to gently wipe the exterior. Avoid using solvents or abrasive cleaners. For stubborn dirt, slightly dampen the cloth with water and wipe gently.

How do I change the batteries in the Sony SRF-M90?

Open the battery compartment cover, remove the old batteries, and insert new ones, ensuring the correct polarity. Replace the cover securely.

The display is dim. How can I fix it?

Check the battery level as a low charge can affect display brightness. If using an AC adapter, ensure it is functioning correctly. Adjust the display brightness settings if available.

Can I use rechargeable batteries in the Sony SRF-M90?

Yes, you can use rechargeable batteries. Ensure they are fully charged and replace them when the device indicates low battery. Follow the manufacturer's instructions for charging.

How do I perform a factory reset on the Sony SRF-M90?

Remove the batteries and disconnect the AC adapter. Press and hold the "RESET" button using a pointed object for a few seconds. Reinsert the batteries or reconnect the adapter to restart the device.