OSR 310 - Radio OK - Free user manual and instructions
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| Product Type | Portable Radio |
| Brand | OK |
| Model | OSR 310 |
| Supported Bands | AM / FM |
| Tuning | Digital PLL |
| Preset Stations | 30 |
| Display | LCD with backlight |
| Speaker Power | 2 W RMS |
| Headphone Jack | 3.5 mm stereo |
| Power Source | AC 230V or 4 x AA batteries |
| FM Antenna | Telescopic |
| AM Antenna | Built-in ferrite |
| Clock and Alarm | Yes, with dual alarm |
| Sleep Timer | Yes (10-90 min) |
| Auto Scan | Yes |
| Memory Backup | Retains presets and time |
| Dimensions (W x H x D) | 220 x 140 x 70 mm |
| Weight | 600 g |
| Cleaning | Wipe with soft dry cloth |
| Safety | Keep away from water and heat |
Frequently Asked Questions - OSR 310 OK
How do I set the time?
To set the time, press and hold the Clock button for 3 seconds until the hour digits flash. Use the Tuning + or - buttons to adjust the hour, then press Clock again to set the minutes. Press Clock once more to confirm and exit.
How do I save radio stations as presets?
Tune to the desired station using the Tuning controls. Press and hold the Preset button for 2 seconds, then select a preset number (1-30) by pressing the Preset button repeatedly or using the numeric keypad. Finally, press Enter to save.
How can I set the alarm?
Press the Alarm button. The alarm time will flash. Use the Tuning controls to set the hour and minutes. Choose the alarm mode (radio or buzzer) by pressing the Mode button. Slide the Alarm Switch to ON to activate.
How do I use the sleep timer?
To activate the sleep timer, press the Sleep button repeatedly to select 10, 20, 30, 60, 90 minutes, or OFF. The radio will automatically turn off after the selected time. Press Sleep again to cancel at any time.
Why is there no sound?
First, check the volume level and ensure it is not muted. If using headphones, remove them to verify the internal speaker is active. Also confirm the power source is connected properly. Try switching to a different band or presetting to rule out a dead station.
How can I improve radio reception?
For FM, fully extend the telescopic antenna and adjust its angle. For AM, rotate the radio to align the internal ferrite antenna. Keep the radio away from metal objects and electronic devices to reduce interference.
What batteries does it take?
The radio accepts 4 x AA batteries. Open the battery compartment on the bottom, insert the batteries with the correct polarity, and close the cover. Remove batteries if the radio will not be used for a long time.
Can I use headphones?
Yes, plug a 3.5 mm headphone into the jack on the side. The internal speaker will be muted automatically. Use volume controls to adjust the headphone output level.
How do I switch between AM and FM?
Press the Band button to toggle between AM and FM. The selected band will appear on the display. The radio will automatically start scanning or you can manually tune with the Tuning controls.
How should I clean the radio?
Use a soft dry cloth to wipe the exterior. Do not use water, solvents, or abrasive cleaners. Avoid getting moisture into any openings. For battery contacts, wipe with a dry cotton swab if necessary.
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USER MANUAL OSR 310 OK
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Product information
Brand : OK
Model : OSR 310
Category : Radio