19
Chapter 2 Measurement Procedure
2.7 Battery Low Warning
2.8 Beep Tone
Pressing any key except the
POWER
key will
extend the powered state for another 10
minutes.
To disable the auto power-off function, hold
down the
HOLD
key while turning the unit
on by pressing the
POWER
key. The
APS
indication then is not shown.
While using the recording function or the
output function of the unit, auto power-off is
disabled.
When this indication appears, the battery is
exhausted and correct measurement is not
assured. Replace the battery as early as
possible.
If the optional AC adapter is connected, the
battery low warning may also appear, remove
the old battery, or replace the exhausted
battery with a new one.
Referto"Chapter2【Low battery voltage
detection function】".
To disable the beep tone, hold down the
RANGE
key while turning the unit on by
pressing the
POWER
key.
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