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20
•
Perform the measurement as described in the operating
instructions,
•
Press the REL button to store the reading in the display and
the "REL" indicator will appear on the display,
•
The display will now indicate the difference between the stored
value and the measured value,
•
Press the REL button to return to normal operation.
7.3
DATA HOLD function
The Data Hold function allows the meter to "freeze" a
measurement for later reference.
•
Press the HOLD
button to “freeze” the reading on the
indicator. The indicator “HOLD” will appear in the display,
•
Press the HOLD
button to return to normal operation.
7.4
Display backlight
Pressing and holding the HOLD
button for >1 second
makes the display backlight function turn on or off.
Note
:
The HOLD feature will activate when the backlight is
turned off.
8 Battery replacement
The CMM-10 meter is supplied by means of one 9V battery
type. It is recommended to use alkaline battery.
Attention:
When making measurements with a battery's mnemonic on,
one
must
take
into
account
additional
indefinite
measurement uncertainty or unstable working of the meter.