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The alarm sounds with the corresponding alarm’s LED indicator flashing.
Alarm 1 and Alarm 2 have different beeping sounds. The duration for each alarm is 2 minutes.
To turn off the alarm, slideto OFF. Slide it to ON to reset the alarm to sound at the same time the next day. Or press
located on the top of
To temporarily turn off the alarm for about 9 minutes, tap on the
button once on top of the clock while the alarm sounds. The alarm stops and sounds in about 9 minutes. You can repeat the snooze alarm by pressing SNOOZE/ALARM STOP when the alarm sounds next time.
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If a battery is not installed, the LOW BAT. indicator appears solid.
The clock detects the battery level —
•at 12:00 pm daily
•when AC power recovers from failure,
•when the clock is connected to power
When the clock detects the battery level, a load of around 5mA is drawn directly from the battery. If the clock detects a low battery voltage, the LOW BAT. indicator appears solid.
52'%+(+%#6+105"
Atomic frequency | 60kHz WWVB |
Time accuracy | 1/1000 sec. / 3,000 years |
Time accuracy | ± 1 sec./ day at 25 C |
Power Requirement | AC 120V, 60Hz |
Slide switch reliability | 3,000 cycles |
| at |
Contact button | 1,000 times vertical press |
Backup Battery | 1 × |
Backup Battery Life | 24 hours |
External Transformer | AC 120V input, 4.5V × 2 |
Output, | UL approved |
Alarm Sound Level | 70dB (10cm from buzzer) |
Snooze alarm duration | 9 minutes |
Alarm Duration | 2 minutes |
Operating Temperature | |
Storage Temperature |
Specifications are typical; individual units might vary. Specifications are subject to change and improvement without notice.
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