Greenlee CM-1500, Instruction Manual

Page: 7 / 128

CM-1500 • CM-1550
7
Using the Features
•
Press to backlight the display. Press again to turn off. The backlight automatically shuts off
after approximately 1 minute.
• HOLD Button
Press momentarily to hold the present value on the display. Press again to return to normal
mode.
• Auto Power Off
The unit automatically shuts off after approximately 30 minutes of inactivity.
To disable this feature, press PEAK, MIN MAX, or
while turning the meter on.
• MIN MAX Button
Press momentarily to begin recording the minimum and maximum values of input. Press
momentarily to cycle through the display modes as shown in the table below. The meter uses
its highest voltage or current range for this feature.
Press and hold to exit this mode.
• PEAK Button
Press momentarily to begin recording the minimum and maximum peak values of AC inputs.
Press momentarily to cycle through the display modes as shown in the table below. The meter
uses its highest voltage or current range for this feature.
Icon Display
MAX Maximum recorded value
MIN Minimum recorded value
MAX
(flashing) Present measured value
MIN
Icon Display
P
MAX
Maximum recorded peak value
P
MIN
Minimum recorded peak value
Press and hold to exit this mode. “CAL” appears briefly on the display as internal circuitry is
reset.
• ZERO Button
Press momentarily to compensate for the residual magnetism in the jaw. “REL” appears on
the display. Press momentarily again to display the uncompensated measurement. The stored
offset value is retained. “REL” will flash. Press and hold to clear the stored offset value and
return to uncompensated measurement.
Repeat the procedure after changing DC current ranges.