FLIR DM166 USER MANUAL Document Identifier: DM166-en-US_AA
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6.3 Out of Range Warning (OL)
If the input is outside the selected range in Manual mode, or if the signal has exceeded
the maximum input in Auto range mode, ‘OL’ appears.
6.4 Data (Display) Hold
In Hold mode, the displayed reading freezes (DMM mode) or the thermal image freezes
(Thermal Image mode). To enter/exit Hold mode, short press the
button. The
indicator appears in the Hold mode.
6.5 MIN-MAX-AVG Mode
Short press the MIN/MAX button to start recording/viewing the lowest
, highest ,
and average readings. Each time a memory display is updated the meter beeps. Short
press MIN/MAX to return to the normal operating display.
6.6 Relative Mode
In Relative mode, you can compare measurements to a stored reference. For example,
if the stored reference value is 10VDC and you take a measurement of 50VDC, the
meter will display 40VDC (50V actual minus the 10V reference.).
Take a measurement and short press the REL button to store the reading (stored
reading appears on the lower right corner of the display).
Now, subsequent measurements will display ‘relative’ to the stored reference.
Short press REL to return to the normal operating mode.
6.7 Test Lead Holder Accessory
Connect the test lead holder accessory (optional) to the two slots on the back of the
meter (item 3 in Fig. 4-2) and to the tripod mount (item 4 in Fig. 4-2). The test lead
holder is ergonomic and protects the thermal imaging and laser pointer lenses.
