11
Data Hold Button
To freeze the LCD meter reading, press the data hold
button. The data hold button is located in the center of the
rotary function dial. While data hold is active, the
HOLD
display icon appears on the LCD. Press the data hold button
again to return to normal operation.
Note:
The HOLD feature may activate when the
Backlight
is turned on. Press the HOLD key again to exit Hold
.
RANGE BUTTON
When the meter is first turned on, it automatically goes into
Autoranging. This automatically selects the best range for
the measurements being made and is generally the best
mode for most measurements. For measurement situations
requiring that a range be manually selected, perform the
following:
1. Press the
RANGE
button. The “Auto Range” display
indicator will turn off, The “Manual Range” display
indicator will turn on
2. Press the
RANGE
button to step through the available
ranges until you select the range you want.
3. Press and hold the
RANGE
button for 2 seconds to exit
the Manual Ranging mode and return to Autoranging.
Backlight Button
The backlight function illuminates the display and is used
when the ambient light to too low to permit viewing of the
displayed readings. Press the button for two seconds to
turn the backlight on and press the button a second time to
turn the backlight off.
Summary of Contents for CM-220
Page 1: ...CM 220 True RMS AC CLAMP METER INSTRUCTION MANUAL...
Page 13: ...13...