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Chapter 2 Measurement Procedure
2.11 Auto Power-Off Function APS
2.12 Battery Low Warning
2.13 Beep Tone
3. To return the saved measurement conditions to their
initial values, hold down the
HOLD
key at unit
power-on. After the entire LCD goes on, the unit
will display "
", and the saved contents of
measurement conditions are returned to their initial
values.
When
APS
annunciator is displayed, the auto power-
off function is active.
If no key is pressed for about 10 minutes, the unit
turns itself off automatically.
Immediately before turning off automatically,
APS
annunciator blinks and a beep tone is heard for
about 30 seconds.
By pressing any key except
POWER
,youwill
extend the powered state for another 10 minutes.
To enable or disable the auto power-off function, set
APS in SETUP mode. (See 2.9, "SETUP Function.")
Auto Power-Off function becomes ineffective while
a REC function is used.
When this annunciator lights, the battery is
exhausted and a correct measurement is not assured.
Replace a new battery.
When the battery voltage drops below a certain
level, the unit indicates "
" and is shut
down.
To enable or disable the audible buzzer when
pressing a key, set BEEP in SETUP mode. (See 2.9,
"SETUP Function.")