TechLogix Networx SSF Single Mode Light Source Manual page 17

Turning the Unit On/Off
1. Press and hold for 1 second to turn on the unit. Press and
hold for two seconds to power off the power meter.
2. To turn the auto shut-off function on or off, with the light source
turned on press the
3. The unit's automatic backlight will be enabled when the light
source is turned on. It will turn off after 1 minute of inactivity.
Press any key to reactivate.
Absolute Power Measurement (Setting Reference Value)
1. Place appropriate reference cable (LC or SC and either single
mode or multimode) between units. If using an LC reference
cable, install appropriate adapters and then connect cable.
2. Turn on both devices. Allow power meter to stabilize for 1-2
minutes.
3. Match the wavelength on the power meter to the light source by
pressing . For multimode, 850nm is recommended. For single
mode, 1310nm is recommended.
4. Press to choose the power display unit (dBm or nW). Set to
dBM.
5. The power meter will then display the tested power value on the
center of the screen. Set this as the reference value by pressing
and holding
0.00dBM
Relative Power Testing (Finding Loss Value)
1. Perform steps above to set reference value.
2. Unplug reference cable from power meter side only.
3. Attach female to female adapter for connector type under test
to reference cable.
4. Plug cable to be tested between female adapter and power
meter.
5. The screen will display the loss in dB for cable under test.
Optical loss will appear as a negative value (i.e. -0.57 dB).
6. Press to review to review the current reference power
value.
Handheld Optical Power Meter
Operation
.
for two seconds. The screen will then read
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