Sonic Alert Sonic Boom SBT425SS-v3 Alarm Clock Operation Instructions

The Sonic Boom SBT425SS-v3 Alarm Clock is a dual alarm clock with a bed shaker, phone signaler, and five-level dimmer. It can be used to wake you up with sound or vibration, or both. The phone signaler will alert you to incoming calls by flashing the display and triggering the alarm. The bed shaker can be used to wake you up even if you're a heavy sleeper. The dimmer allows you to adjust the brightness of the display. You can set the alarm to go off for a predetermined amount of time, or you can snooze it for nine minutes or adjust the snooze time to between 1 and 30 minutes. The alarm can be shut off permanently or temporarily.

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Sonic Boom SBT425SS-v3 Alarm Clock Operation Instructions | Manualzz

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Key features

  • Dual Alarm Clock
  • Bed Shaker
  • Phone Signaler
  • 5-Level Dimmer
  • Adjustable Snooze Time
  • Adjustable Alarm Duration
  • Battery Backup
  • Tone Control

Frequently asked questions

To set the alarm, slide the "Alarm Mode Selector" (12) to the AL1 position and press and hold the "Alarm Set" (5) button. Then, press the "Fast" (9) or "Slow" (10) buttons to advance the display until you reach the desired alarm setting. Make sure the alarm time is correctly set for AM or PM. To set the second alarm, slide the "Alarm Mode Selector" (12) to AL2 position and repeat the process.

To use the bed shaker, attach the bed shaker jack to the back of the clock at "Vibrator Input" (15). Slide the "Alarm Function Switch" (8) to the "VIB/BUZZ" or "VIB" position. Place the vibrator between the mattress and box spring.

To adjust the snooze time, press and hold the "Snooze" (8) button for four seconds. The clock display will show the default snooze time as '9'. Release the snooze button. Press the "Slow" (7) button to adjust the snooze time to the desired setting, from 1 minute to 30 minutes. When the display is showing the desired snooze time, it will return to the normal clock mode after 3 seconds. The new snooze time setting becomes the new default and remains in the memory until you change it again.

To adjust the volume, rotate the "Volume" wheel (4) located on the lower right corner of the clock.

To adjust the tone, turn the "Tone" wheel (14) located on the top right corner of the clock.

To use the battery backup, install a 9-volt alkaline battery in the back of the clock, located under the Battery Compartment Cover (11). During a power failure, the battery can only keep the clock IC running for up to 30 days.
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