AC Clamp-on Meter Model CM 660 / CM 670 / CM 685
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2.3.3 RANGE Button
The default mode is AUTO RANGE mode (automatic).
• Press the RANGE button to select a measurement range
manually.
• The
icon appears and the icon disappears.
• Holding the button down for 2 seconds reverts to back to AUTO
RANGE mode.
is displayed and the buzzer is activated.
2.3.4 MIN/MAX Button
Set the selector to one of the following positions: , °C°F (CM685) or
TEMP (CM660/670) or (CM685).
When in this mode, the Auto-off function is automatically deactivated.
To record minimum and maximum values, perform the following steps:
1. Take the measurement and press MIN/MAX once
• The
and
icons appear and recording minimum and
maximum values has now been activated.
2. Press MIN/MAX a second time
• The
and
icons ash and the recording is now
stopped.
3. Press MIN/MAX a third time
• The icon shows that the value displayed is the maximum
recorded value.
4. Press MIN/MAX a fourth time
• The icon shows that the value displayed is the minimum
recorded value.
5. Press MIN/MAX a fth time
• The cycle reverts to point 2.
To exit the MIN/MAX mode, hold down MIN/MAX for 2 seconds. The
icons will disappear.
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