EZ Digital DM-330SRS, Operation Manual

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REL(relative reading) (DM-331)
Press REL to enter the relative mode, zero the display,
and store the displayed reading as a reference value.
The relative mode annunciator "REL" is displayed.
Press and hold down REL for 2 seconds to exit in the
relative mode, the value shown on the LCD is always the
difference between the stored reference value and the
present reading. for example, if the reference value is
15.00V and the present reading is 14.10V, the display will
indicate -0.90V. If the new reading is the same as the
reference value, the display will be zero.
(DM-333)
Press push button switch to measure or in the
mode.
* Auto Power off
The meter will automatically shut itself off after
approximately 30min(DM-331, 332, 334) and 10min
(DM-333) after power on.
The meter can be turned back on by pushing Hold key
switch (DM-331, 332, 334)and any key (DM-333).
HOW TO USE THE METER
PUSHBUTTONS
8