2.4 Turning On the Instrument
34
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
• Do not press any keys during the self-test.
• Key processing is embedded in the instrument for production and verification purposes. For example, this
processing includes transitioning to an adjustment mode. If key operation causes a message or indication
that is not described in this manual to be displayed, immediately cycle the instrument’s power.
The product model and version number
are displayed.
Self-test (example: PW3335-03)
Any errors are displayed.
See: "6.2 Error Indication"(p.166)
Error (s)No errors
Normal display (Measurement screen)
• The current settings when the instrument was last turned off will be restored the next time it is turned on
(backup function).
If you’re using the instrument for the first time, the default settings will be used. (p.111)
• To ensure good measurement precision, allow the instrument to warm up for at least 30 minutes after turn-
ing it on.
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