FLIR DM91 USER MANUAL Document Identifier: DM91-en-US_AB
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6.
Menu Bar for Extended Functionality
In addition to the basic measurement functions, the DM91 offers extended functionality
as detailed below.
6.1 Selecting Modes using the Menu Bar
The menu icons appear in the lower part of the display. When you enable a mode, a
frame appears around the icon.
Fig. 6-1
Menu Bar icons
1.
Use the left/right navigation buttons to step to the desired mode icon. The
currently selected icon will flash.
2.
Press the
OK
button to enable the selected mode (the icon will frame).
3.
Use the up/down navigation buttons to step through the options for the
selected mode.
4.
Press the
OK
button to disable the selected icon.
6.2 VFD Mode (ACV and ACA only)
In VFD (variable-frequency drive) mode, the meter removes high-frequency noise from
the voltage measurement with a low-pass filter. VFD mode is available when
measuring AC voltage or AC current.
Navigate to
with the left/right arrows and enable/disable VFD mode by pressing
the
OK
button. The VFD mode is active when a frame appears around the icon.
6.3 Peak Mode (ACV and ACA only)
In Peak mode, the meter captures and displays the positive and negative peak values,
and updates only when a higher/lower value is registered.
1.
Navigate to the icon and enable Peak mode by pressing OK.
2.
Use the up/down navigation buttons to toggle Peak Max and Peak Min.
3.
In Peak Max mode, the indicator appears.
4.
In Peak Min mode, the indicator appears.
5.
Press the
button to pause the Peak mode. Press again to continue.
6.4 Min/Max/Avg Mode
In Min/Max/Avg mode, the meter captures and displays the minimum, maximum, and
average readings, updating only when a higher/lower value is registered. The meter
also averages the total sum of all recorded values.
1.
Navigate to MIN-MAX AVG icon
using the left/right arrow buttons and enable
the mode by pressing
OK
.