14. Battery Saver Function
The 90-FL is equipped with a battery saver function. If no button has been pressed for 5 minutes or
1 hour , the unit beeps and flashes the display for 20 seconds and then shuts off. This function can
also be switched off for continuous use.
To program the battery saver function:
1. Select Battery Saver menu ( →→ F5:System →→ F1:Bat. Saver).
2. The battery saver menu is now displayed…
Battery Saver: F1:OFF >F2:5 minutes
Volts= 7.20V F3:1 hour
The arrow indicates the current selection.
3. Press to disable the battery saver function for continuous use.
Press to set the battery saver function to 5 minutes. The meter will switch itself off if no
key has been pressed for five minutes.
Press to set the battery saver function to 1 hour. The meter will switch itself off if no key
has been pressed for 1 hour.
Press to quit the battery saver menu and retain the current setting.
Notes
1. The symbol flashes when the battery volts drops below 5.60 volts. At approximately 5.10
volts the meter turns itself off.
2. The accuracy of the data degrades when the symbol is flashing. The 90-FL should not be
used to take readings or calibrate while the is flashing.
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