13
LCD Backlight and Auto-Backlight-Off (ABO)
Press the
SELECT
button for 1 second or more to toggle the LCD backlight. The
ABO
mode turns the LCD backlight off automatically after 10 minutes of backlight activation
to extend battery life. See
Power-on Options
section for disabling
ABO
.
Intelligent
Auto-Power-Off (APO)
The
APO
mode turns the meter off automatically to extend battery life after idling 32
minutes of no specified activities, where applicable, below:
1) Rotary switch or push button operations
2) Significant measuring readings of above 8.5% of ranges
3) Non-over-range readings for Resistance, Continuity or Diode function
4) Non-zero readings for Hz function
In other words, the meter will intelligently reset the
APO
mode when it is under normal
measurements. To wake up the meter from
APO
, press the
SELECT
button
momentarily and release, or turn the rotary switch OFF and then back on. Always turn
the rotary switch to the OFF position when the meter is not in use.
Power-on Options
◎
Disabling APO and ABO
Press and hold the
SELECT
button while powering on the meter can disable both
APO
and
ABO
features temporarily during the power on session. The LCD will display
“
dAPO
”
to confirm selection before the
SELECT
button is released.
◎
Shortening APO idling time for inspection
Press and hold the
HOLD
button while powering on the meter can shorten the
APO
idling time to 5 seconds temporarily during the power on session. It is designed mainly
for production inspection.
◎
Showing all LCD segments for inspection
Press and hold the
REC
button while powering on the meter can hold and show all
LCD segments before the button is released. It is designed mainly for production
inspection.
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.
