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Fluke 27/FM - Operating Modes and LCD Annunciators

Fluke 27/FM
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Operating Modes and LCD Annunciators
The MIN/MAX mode selects manual ranging; use a range that can record the
maximum anticipated input. Range changes reset previously recorded
MIN/MAX readings. Exiting the MIN/MAX mode does not reset the previously
recorded readings unless the range or function is changed. The MIN/MAX
mode overrides the Touch-Hold mode.
0
HOLD EJ
Touch-Hold Mode Pushbutton:
Press momentarily to enter Touch-Hold mode. In Touch-Hold, the meter
captures a stable measurement and holds it on the display. The operator
can watch the probes while taking measurements in difficult or hazardous
circuits, then look at the display when convenient. The meter beeps and
the display is automatically updated each time a new, stable measurement
is made. Press momentarily to manually update reading. Press and hold
for 2 seconds to exit Touch-Hold mode. If HOLD is depressed and held for
the duration of the selftest, while the function switch is moved from
OFF to any ON position, the Touch-Hold mode will only update to a new
reading when the HOLD button is pressed. (Automatic Touch-Hold updates
are defeated.) This is useful when you want to take a reading at a
specific time and hold it.
0
MIN
Minimum Value Annunciator:
Indicates that the meter is in the MIN/MAX recording mode, and the value
displayed is the minimum digital reading taken since reset or since
entering MIN/MAX. Refer to item
9
for operation.
(2) MAX
Maximum Value Annunciator:
Indicates that the meter is in the MIN/MAX recording mode, and the value
displayed is the maximum digital reading taken since reset or since
entering MIN/MAX. Refer to item
9
for operation.
®
A
Relative Value Annunciator:
Indicates that the meter is in the Relative mode and that the value
displayed is relative (the difference between the present measurement
and the previously stored reading). Refer to item 8 for operation.
Touch-Hold Mode Annunciator:
Displayed when the Touch-Hold mode is in use. Refer to item 10 for
operation.
0
Mkt')
Resistance Annunciators:
The appropriate annunciator (M, k, or
n )
is displayed for the
resistance range in use.

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