Autohold Mode; Min Max Avg Recording Mode - Fluke 1577 User Manual

Table 7. Power-Up Options (cont.)
Button
Disables automatic power-off ("Sleep
mode"). Display shows PoFF until the button is
released.
G
Sleep mode is also disabled while the Meter
(Blue)
is in a MIN MAX AVG Recording mode,
AutoHold mode, and when performing an
insulation test.
Starts the Calibration mode. The Meter
H
displays Cal and enters Calibration mode
when the button is released.
Disables the beeper. The display shows bEEP
t
until the button is released.

AutoHold Mode

XWWarning
To avoid electric shock, do not use the
Display AutoHold mode to determine if a
circuit is live. Unstable or noisy readings will
not be captured.
Description
In the AutoHold mode, the Meter holds the reading on the
display until it detects a new stable reading. Then the
Meter beeps and displays the new reading.
Press h to activate AutoHold. Y appears.
Press h again or turn the rotary switch to
resume normal operation.

MIN MAX AVG Recording Mode

The MIN MAX AVG mode records minimum and maximum
input values. When the inputs go below the recorded
minimum value or above the recorded maximum value,
the Meter beeps and records the new value. This mode
can be used to capture intermittent readings, record
maximum readings while you are away or record readings
while you are operating the equipment under test and
cannot watch the Meter. MIN MAX AVG mode can also
calculate an average of all readings taken since the MIN
MAX AVG mode was activated.
The Meter tracks the minimum, maximum, and average
values for each display which are updated 4 times per
second.
Insulation Multimeters
AutoHold Mode
13