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Model UT805: OPERATING MANUAL
The Use of Relative Value Mode
Relative Mode applies to all functions except continuity,
diode and frequency measurements.
When the relative mode is selected, the reading on the
primary display is always the difference between the
relative base and the input measurement. For example,
if the relative base is 15.0000V, and the present reading
is 14.1000V, the display will show -00.9000.
Press REL to toggle in and out of the relative mode.
When the relative mode is selected: the lsat valid reading
is stored as the relative base, the primary display zeros
out and display “0”, is shown on the primary display.
(The secondary display is unaffected.)
Selecting the relative mode turns off autoranging and
locks in the present range. Make sure you are in the
correct range before selecting the relative mode. If you
press or after the relative mode has been selected,
you will automatically exit .
Press REL to enter REL mode, the Meter displays
, auto ranging turns off, and the present meauremnet
range is locked and stored the present measurement
value as the stored value, the Meter displays “0”.
The present measurement value obtained later on is
the difference of the stored value.
Press REL again to exit REL mode.
Press REL again to step the display through the
above sequence.
l
l
l
To enter or eixt REL mode:
AUTO cannot be pressed, otherwise “--Err 1-“ will be
displayed and then back to the current meaurement
range
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