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Auto Power Off (APO)
The Auto Power Off (APO) mode turns the meter off automatically
to extend battery life after approximately 17 minutes of no activities.
Activities are specified as: 1) Rotary switch or push button
operations, and 2) Significant measuring readings of above 10% of
range or non-OL
W
readings. That is, the meter will intelligently
avoid entering the APO mode when it is under normal
measurements. To wake up the meter from APO, press the
SELECT
button momentarily or turn the rotary switch to the OFF
position and then turn back on again. Always turn the rotary switch
to the OFF position when the meter is not in use
Disabling Auto Power Off
Press the
RANGE
button while turning the meter on to disable the
Auto Power Off (APO) feature.
Set Beeper Off
Press the
Hz
button while turning the meter on to disable the
Beeper feature.
Beep-Jack™ Input Warning
The meter beeps as well as displays "
InEr
" to warn the user against
possible damage to the meter due to improper connections to the
m
A, mA, or A input jacks when other function (like voltage function)
is selected.
5) MAINTENANCE
WARNING
To avoid electrical shock, disconnect the meter from any circuit,
remove the test leads from the input jacks and turn OFF the
meter before opening the case. Do not operate with open case.
Install only the same type of fuse or equivalent.
Press the
RANGE
button momentarily to select manual-ranging,
and the meter will remain in the range it was in, the LCD
AUTO
annunciator turns off. Press the button momentarily again to step
through the ranges. Press and hold the button for 1 second or more
to resume auto-ranging.
Manual or Auto-ranging
Note:
Manual ranging feature is not available in Hz function.
Relative zero allows the user to offset the
meter consecutive measurements with the
displaying reading as the reference value.
Practically all displaying readings can be
set as relative reference value including
MAX/MIN feature readings. Press the
button momentarily to activate and to
exit relative zero mode.
Relative mode
Zoom 5x analog pointer
The Zoom mode analog pointer magnifies
up to 5 times the regularanalog bar graph
resolution to show minute signal changes
with a single analog pointer. It is virtually
equivalent to the bar graph resolution of
5 X 50 = 250 segments.
