Auto Power Off; General Maintenance - Facom 714A Manuel D'utilisation

At any time, you can press the "TEST" button to stop internal resistance measurement.
Note:
1. Battery's internal resistance is not constant because it is affected by temperature, state of charge, aging factor, etc.
2. Before the meter has been connected to the battery correctly and the indicator "
the display is meaningless and useless.
3. During measurement, reading on the display may change lightly. It is normal because battery's internal resistance is not very stable.
Instruction for the Built-in Buzzer
1. The buzzer will beep when the meter is turned on, when the meter is aroused from Sleep, when you change function, or when you
press a button and this press is effective.
2. In all measurement functions except diode, resistance, continuity, frequency and engine tach functions, the buzzer will sound beeps
when the input exceeds the meter's display limit of range.
3. In continuity tests, the buzzer will sounds continuously when the resistance is less than about 30Ω
4. Before the meter turns off automatically, the buzzer will sound continuously for 1.5 seconds.

Auto Power Off

After the meter is turned on, it defaults to automatic power-off mode and the symbol «APO» appears as an indicator. The display will
blank and the meter will go into Sleep mode if you do not operate the meter for about 30 minutes. To turn on the meter again, set the
range switch to the «OFF» position and then set it to a desired position. To disable the automatic power-off feature, turn on the meter
while pressing and holding down any button except the HOLD and TEST buttons. (Note: Do not release the button too fast.)
MAINTENANCE
Warning
Except replacing battery and fuse, never attempt to repair or service the meter unless you are qualified to do so and have
the relevant calibration, performance test, and service instructions. The meter should be stored in dry place when not in use.

General Maintenance

Periodically wipe the case with a damp cloth and mild detergent. Do not use abrasives or solvents.
Dirt or moisture in the terminals can affect readings.
"appears on the display, any reading on
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figure 8