2.4 Turning On the Instrument
35
Turn the POWER switch on ( | ).
When the instrument is turned on, it will start a self-test. During the self-test, all indicators will light up, and
then the model and version number will be displayed. Finally, hardware and saved data will be checked.
2.4 Turning On the Instrument
Check the following once more before turning on the instrument:
• Are the instrument and peripheral equipment connected properly?
• Are any wires shorted between the voltage input terminals?
If so, an electric shock or short-circuit may result.
The product model and version number
are displayed.
Self-test (example: PW3337-03)
Any errors are displayed.
See: "6.2 Error Indication"(p.179)
Error(s)No errors
Normal display (Measurement
screen)
Do not press any keys during the self-test.
Display during zero-adjustment
• The current settings when the instrument was last turned off will be restored when it is turned on (backup
function).
• If you’re using the instrument for the first time, the default settings will be used. (p.112)
• To ensure high-precision measurement, allow the instrument to warm up for at least 30 minutes after turn-
ing it on.
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