FLIR DM286 USER MANUAL Document Identifier: DM286-en-US_AA
9. MultiMeter Operation
Caution: Before operating the device, you must read, understand, and follow all
instructions, dangers, warnings, cautions, and notes.
Caution: When the meter is not in use, the function switch should be set to the OFF
position.
Caution: When connecting the probe leads to the device under test, connect the COM
(negative) lead before connecting the positive lead. When removing the probe leads,
remove the positive lead before removing the COM (negative) lead.
9.1 Auto/Manual Range Mode
In Auto range mode, the meter automatically selects the most appropriate
measurement scale. In Manual range mode, the desired range (scale) can be adjusted
by the user.
Auto range mode is the default mode of operation. When a new function is selected
with the function switch, the starting mode is Auto range and the indicator
is
displayed.
1. To enter Manual range mode, short press the
button. To change the
range, press the
button repeatedly until the desired range is displayed.
2. To return to the Auto range mode, long press the
button until the Auto
Range
indicator is again displayed.
9.2 Probe Connection Alert
For voltage or current measurements, with the tests leads incorrectly connected to the
meter (or not connected at all), an error screen will appear (Fig. 9.1).
Fig. 9.1 Test lead connection error screens
9.3 Out of Range Warning (OL)
If the input is over/under the full-scale range in Manual range mode, or if the signal
has exceeded the maximum/minimum input in Auto range mode, ‘OL’ is displayed.
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