AV-933 - Alarm clock radio Prologue - Free user manual and instructions
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| Product Type | Alarm Clock Radio |
| Brand | Prologue |
| Model | AV-933 |
| Dimensions (approx.) | 150 x 80 x 100 mm |
| Weight (approx.) | 0.5 kg |
| Power Source | AC 100-240V, 50/60Hz |
| Backup Battery | CR2032 coin cell (for time/alarm retention) |
| Radio Bands | FM (87.5-108 MHz), AM (530-1710 kHz) |
| Alarm Types | Radio or Buzzer |
| Alarm Count | Dual alarms with independent settings |
| Snooze Function | Yes, 9-minute snooze |
| Sleep Timer | Yes, adjustable from 1-90 minutes |
| Display Type | LED (red digits) |
| Display Brightness | Adjustable (high/low/off) |
| Clock Format | 12/24 hour selectable |
| Volume Control | Rotary dial for radio and alarm |
| Antenna | FM wire antenna, AM internal ferrite |
| Speaker | Built-in mono speaker |
| Headphone Jack | 3.5mm for private listening |
| Date Display | Yes (day of week and date) |
| Temperature Display | Room temperature (°C/°F) |
| Cleaning Instructions | Wipe with a soft, dry cloth; do not use liquid cleaners |
| Safety Note | Keep away from water; do not cover ventilation slots |
| Spare Parts Availability | Contact manufacturer or authorized service centers |
| Repairability | Refer to user manual for disassembly; recommended professional service |
Frequently Asked Questions - AV-933 Prologue
How do I set the alarm time?
Press and hold the ALARM SET button until the alarm time flashes. Use the HOUR and MINUTE buttons to adjust. Press ALARM SET again to confirm.
Can I use the radio as an alarm sound?
Yes, set the alarm mode to RADIO by pressing the ALARM MODE button until the radio icon appears. The alarm will play the last tuned radio station.
How do I set the snooze time?
The snooze time is fixed at 9 minutes. When the alarm sounds, press the SNOOZE button to silence it for 9 minutes.
Why is the display dim or blank?
The display brightness may be set to low. Press the DIMMER button to cycle through high, low, and off. If blank, ensure the unit is plugged in and the backup battery is fresh.
How to set the time manually?
Press and hold the TIME SET button until the time flashes. Use HOUR and MINUTE to adjust. Press TIME SET to confirm. The clock will also sync to a radio signal if supported.
What type of backup battery does it use?
It uses a CR2032 coin cell battery. Replace it annually to maintain time and alarm settings during power outages.
How do I tune the radio?
Press the BAND button to select FM or AM. Turn the TUNING dial to search for stations. For precise tuning, use the SEEK button to auto-scan.
Can I save favorite radio stations?
Yes, store up to 10 presets. Tune to a station, then press and hold a PRESET button (1-10) until the number stops flashing. To recall, press the preset button briefly.
How to clean the device?
Unplug the unit. Wipe the exterior with a soft, dry cloth. Do not use water, solvents, or abrasive cleaners. Avoid getting moisture into openings.
What should I do if the alarm doesn't sound?
Check that the alarm is enabled (alarm indicator on). Ensure the volume is not set to minimum. Verify the alarm time is correct. If using radio, confirm the station is tuned properly.
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