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7.1 Other Features
Auto Power OFF
When Connected to an AC Power Supply
The CW500 automatically turns off if you do not perform any operations
for about 5 minutes. It does not turn off while the CW500 is recording. To
turn the power on again, press the power key. You can also disable the
this function by selecting Disable auto-off from the SETUP menu.
During Battery Operation
The CW500 automatically turns off if you do not perform any operations
for about 5 minutes. It does not turn off while the CW500 is recording. To
turn the power on again, press the power key. Auto power off cannot be
disabled during battery operation.
Auto Current Range
The current ranges of clamp-on probes are automatically switched
according to the measured rms values. This function cannot be enabled
while recording power quality events. The range shifts to the next higher
range when the input exceeds 300% peak of the next lower range and
shifts to the next lower range if the input falls below 100% peak of the
next lower range. However, the display is fixed to the next higher range.
Sensor Detection
If sensor detection is enabled from the SETUP menu, current clamp-on
probes connected to the CW500 are automatically detected.
When the CW500 starts, it automatically checks the connected current
clamp-on probes to the current clamp-on probe settings of the previous
measurement.
Power Failure Recovery
If the CW500 shuts down while it is recording due to a power failure,
when the power supply recovers, the CW500 automatically resumes
recording.
Print Screen
Pressing PRINT SCREEN captures the current screen to a BMP file. The
file size is about 77 KB.
7-2
IM CW500-01EN
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