Exfo PPM-350C PON Power Meter Manual de usuario descargar pdf (Pagina 34)

Maintenance 28

To view the last calibration date:

1. Press and hold down and press at the

same time. The unit displays the main embedded

software version.

2. Press to display the calibration date of the unit.

3. Press to return to your previous mode.

Verifying the Integrity of User Information in

Memory

You can verify the integrity of the memory to ensure that your unit will function

normally for threshold sets, correction factors, wavelength lists and storage

information.

If a problem is detected, error code 9, 10, or 12 will be displayed. If you turn the unit

off without correcting the problem, the error code will be displayed once the unit is

turned on again. For more information, see Error Codes and Descriptions on

page 31.

To verify memory integrity:

Hold down and a few seconds. The

unit displays CHKS and vertical bars move at the top of

the display, indicating the verification is in progress.

Note: Keypad is disabled during this operation.

The unit will then return to your previous mode.

YearMonth/Day

Threshold/

 

P/F

mode

Threshold/

 

1 2 ... 29 30 31 32 33 34 35 36 37 38 39 ... 46 47

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Exfo PPM-350C PON Power Meter Manual de usuario Pagina 34