1 Answer

SkyScan Model 31981B
TO START THE CLOCK:
1. Insert 2 AAA batteries with proper polarity (+) and (-)as indicated In the battery compartment.
2. The LCD goes to default time and calendar 12:00:00AM (time) and 1-1 (Jan 1 2003).
The alarm time is 6:00 AM.
Default time zone is PST, default temp. readout Is degree F.
3 The clock takes the temperature reading immediately then starts to search for the WWVB signal. Remarks: If you immediately manually set the time / alarm time / calendar the clock will slop its initial reception of the WWVB signet. It will resume to the WWVB reception automatically when the clock exits SET mode and no other button is pressed for 5 seconds.
TO SELECT THE TIME ZONE:
1. Press TIME ZONE button once, the LCD shows the time zone (the default time zone is PST).
2- Press + or - - to set the time zone (PST>MST>CST>EST)
3. Press the TIME ZONE or SET button to go back to the time display or it will automatically go back to the time display in 5 seconds.
TO SET TIME, CALENDAR, 12/24HR AND C/F:
1. Press the SET button once to set the Year: digits show '2003" and blink. Press + or - - to set the year.
2. Press the SET button again to set the Date : small digits show " 1 - 1" (i.e. Jan 1st) and blink. Press + or - - to set the date. Press and hold + or - will increase the increment or decrement at a faster rate.
3. Press the SET button again to set the Time : large digits in HR : MIN will show and blink.
Press + or - to set the clock to the current time. Press and hold + or - will increase increment or decrement at a faster rate.
4. Press the SET button again to set 12 / 24 HR readout. Upper LCD shows "l2Hr" and blink.
Press + or - to choose 12HR or 24 HR time display format.
5. Press the SET button again to select C/Freadout: the temperature readout (i.e. 68F) will blink. Press + or - to choose readout (i.e. 68F or 20C ). The default readout is In degree F.
6. Press the SET button again to exit the setting mode and return to the normal display. Or it will automatically return in 5 seconds. **Special attention for usage in Arizona and Indiana.**
Part of Arizona and Indiana do not have Daylight Saving Time (DST).
Please slide the DST switch inside the battery compartment to OFF if the clock is used in these states.
TO SET ALARM TIME ;
1. To read your alarm time: press + or - once, the lower Month and Date digits will change to alarm time digits.
2. To set the alarm time: press + or - again, the alarm digits will blink, Press + or - - to set your alarm time. Press and hold + or - will increase the increment or decrement at a faster rate..
3. Alter you set the alarm, the clock will go back to the normal display automatically in 5 seconds.
TO TURN ON/OFF THE ALARM:
1. To use snooze alarm
Press the SNOOZE / AL ON/0FF button until SNZ and (((o))) show on lower LCD.
When the alarm beeps, press SNOOZE / LIGHT bar. The alarm will Sound again when the snooze period
is over. (See "To Program the Snooze Alarm " below)
When the alarm beeps, press any key at the front to stop the alarm. The snooze alarm will turn on the following day at the same time.
2. To turn on alarm
Press the SNOOZE /AL ON/OFF button until (((o))) shows on lower LCD.
When the alarm beeps, press SNOOZE / LIGHT. The alarm will turn on the following day at the same time.
3. To disable the alarm permanently:
Press the SNOOZE / AL ON / 0FFbutton until the SNZ and (((o))) clear from the lower LCD.
TO PROGRAM THE SNOOZE ALARM:
1. Press and hold the SNOOZE I LIGHT bar for 3-4 seconds. The small display will blink and show 05 (minutes) the default snooze duration. Press + or - to set the snooze duration from 5 minutes to 60 minutes.
Note: The minimum snooze duration is 5 minutes.
2. Press the SNOOZE I LIGHT bar once to go back to the normal display or the clock will auto exit if no further buttons are pressed after 5 seconds.

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