Harris OTM-20, Руководство по установке и эксплуатации

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Operation
OTM-20 Installation and Operation Handbook 3-6
After selecting the menu item, press QUIT to exit to the higher-level menu. The
selection is saved after the unit is powered off.
Figure 3-7. Unit of Measure Configuration
“dBm” is set as the default. “W” includes: “mW,” “uW,” “nW,” and
“pW.” When “W” is selected, the optical test meter will choose the unit of measure to
display automatically.
Reference
In the Power Meter menu, press the [ ] buttons to scroll through the menu bar
and select “Reference.” Press ENTER to enter the configuration as shown in
Figure 3-8 . The selections are not saved and return to the default value after the
device is powered off.
Figure 3-8. Reference Configuration
Under this configuration menu, there are three function menus: “DRef,” “Ref Value,”
and“Ref:”
DReF
Set current tested power value as the relative
reference value.
Ref Value Set the relative reference value