Hioki 3550 - Beeper On;Off Function; Hold Function

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Chapter 5 Advanced Measurement Functions
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NOTE
5.3 Beeper On/Off Function
5.4 Hold Function
Pressing the key toggles the beeper on and off.
When the beeper is on, the "
" indication appears in the
display, and the beeper sounds when there is a "Warning" or
"Fail" result. When the beeper is off, the
"
" indication disappears from the display, and the beeper
does not operate.
This suspends measurement, with the display values held the
same.
Press the
HOLD
key. "
HOLD
" is displayed on the screen
and the display is locked to prevent it from changing.
While the display is locked, the resistance and voltage range keys
(
30m
Ω,
300m
Ω,
3
Ω,
3
V,
30
V), and the
0ADJ
,
COMP
,
, ,
UP
,and
DOWN
keys are not
effective.