IDEAL 61-737 Operation And Safety Manual page 21

Function
Low Battery
Indication
s
APO
Restore APO
Disable Auto
Power Off
Function
n
20
Description
When the battery voltage < 3.6±0.2V, the low battery indication is
displayed on the screen and the meter still works normally. When the
battery voltage drops to less than 3.1±0.2V, "bAtt" is displayed for 5
seconds then shuts off. When the battery voltage is less than 2.3V, the
meter is unreliable. Battery life varies by battery brand This ensures
accurate readings.
No actions of the rotary dial or button presses for 30 minutes will be
automatically cause the unit to shut down and enter the low-power state.
Turning the meter off and then on will reset the meter to the default
shutdown function, the LCD displays the "APO" symbol.
All the buttons can wake up the unit or rotate the dial switch to OFF
setting and then turn on the unit to wake it up.
Pressing the "Select" key while turning on the unit at the same time, will
cancel auto shutdown function. Buzzer will beep 5 times and the LCD
will not display the "APO" symbol.
21