General Tools and Instruments DA833 - Manual (Page 14)

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Note: If no buttons are pressed for 2 minutes during setting
sequence, the unit will return to Alarm Time Display.
Deactivating The Alarm
When the alarm time is reached the alarm will sound for 1 minute.
To stop the alarm:
Pressing any button can stop the alarm sound.
The Count-Up Timer
The unit comes with a count-up timer and can count up to 99
hours 59 minutes and 59 seconds.
To start, stop, and reset the timer:
1. Enter Timer Display.
2. Press [+] the timer starts counting.
3. Press [+] again, the timer stops. To start the timer again
without clearing the elapsed time, press [+].
4. To reset the timer to 0, press [+] to stop the timer and then
press [-].
Temperature Display
The current temperature is displayed in all three display modes.
The temperature can be displayed as Celsius (°C) and Fahrenheit
(°F).
To select the units of measure for the temperature display:
1. Enter Date/Month Mode.
2. Press and hold [+] or [-] for about 2 seconds to change the
units of measure.
RESETTING THE UNIT
Located inside the battery compartment is a RESET Button.
Using a blunt object such as a paper clip, press RESET to return all
settings to the factory values.
The button is required only when the unit is not operating in a
favorable way, such as in the rare case of a malfunction.
Note: After resetting the unit all memories and data will be
cleared.