Setting display resolution – EXFO PM-1600 High-Speed Power Meter User Manual

Page 42

Acquiring Power Measurements

PM-1600

Setting Display Resolution

To delete a correction factor,
1. Press

to select the appropriate wavelength, then Setup to access the

Setup menu, then use the up/down arrow keys to select Wavelength
List & Corr. Factor, and press ENTER.

Follow steps 1 to 4 in section on viewing the wavelength list on
page 25. Select the wavelength by pressing ENTER.

Note: You can also select the wavelength while in the Wavelength List & Corr.

Factor menu by pressing

2. Use the up/down arrow keys to select CF Ch 1 or CF Ch 2 (PM-1620).

The current correction factor for the matching wavelength is displayed
in dB or W/W, depending on the currently selected measurement unit.

Note: You can toggle between dB and W/W units while in the Wavelength List &

Corr. Factor menu by pressing dB/W

3. Use the left/right arrow keys to select Clear CF.

4. Confirm the deletion by pressing ENTER. The correction factor is

immediately reset to +0.000 dB or 1.0000 W/W and, therefore,
deactivated.

Setting Display Resolution

Depending on the required resolution and operating power level 0, 1, 2, 3,
or 4 digits can be displayed after the decimal point. When AUTO is
selected, the display resolution is determined by the power level being
measured.

Note: The AUTO marker on the display in measurement mode does not refer to

the automatic display resolution but to the measuring range (see Setting
Measurement Range on page 22).