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3. SPECIAL FUNCTIONS
3.1 Auto Power Off
When the meter exits RS232 remote control operation mode, the auto power off function is automatically
activated. “APO” appears on the LCD. If there is no operation on any of the keys within 30 minutes, the meter
will be automatically powered off. Five minutes before auto power off, the audible beepers give indication that
the meter is going to be powered off.
When the meter enters RS232 remote control operation mode or dynamic recording mode (MAX/MIN), the
auto power off function is automatically deactivated. When in the above modes, please press POWER switch
to turn off the meter.
3.2 Setting Measurement Upper and Lower Limits
The meter can be set with upper limit (HI) or lower limit (LO), or set upper limit and lower limit (HI-LO) at the
same time.
Set the upper limit (HI) / lower limit (LO):
1) Power on the meter.
2) Press function key to select measurement function.
3) Press
RANGE
key to select suitable measurement range.
4) Press
SET
key to enter setting mode.
5) Press
SELECT
key to select the upper/lower limit setting.
Upper limit setting: “
” appears on secondary display.
Lower limit setting: “
” appears on secondary display.
6) Press
◄▲▼►
keys to adjust the upper limit value.
7) Press
SET
key to validate the new input.
Set upper limit and lower limit (HI-LO) at the same time:
1) Power on the meter
2) Press function key to select measurement function.
3) Press
RANGE
key to select suitable measurement range.
4) Press
SET
key to enter setting mode.
“
” appears on secondary display.
5) Press
◄▲▼►
keys to adjust the upper limit value.
6) Press
SET
key to validate the upper limit input.
7) Press
SET
key to enter setting mode. Then press
SELECT
key to select the lower setting mode.
“
” appears on secondary display.
8) Press
◄▲▼►
keys to adjust the lower limit value.
Press
SET
key to validate the lower limit input.
NOTE:
Default measurement function is DCV. To enable the upper/lower limits setting in DCV range, another
function must be selected first, then select DCV again.
After setting up the upper and lower limits, measurement can be carried out. The measuring value is displayed
on the primary display, while secondary display will have 3 kinds of displays according to different results:
1) If the measuring value exceeds the upper limit, “
” appears on the secondary display.
2) If the measuring value exceeds the lower limit, “
” appears on the secondary display.
3) If the measuring value is between and upper and lower limit, “
” appears on the secondary display.
