To perform Optical Power Meter measurements and
turn the LED Source on & off, do the following:
From the MENU screen, use the UP/DOWN arrow
keys to highlight OPM / SOURCE , then press
the ENTER button to select.
The POWERMETER/SOURCE screen will be dis-
played.
1. Use the arrow buttons and the Enter key
to highlight & set the following
OPTIONS -
Top row boxes from left to right:
➤
SET MEASUREMENT WAVELENGTH
- Use the UP/DOWN buttons to toggle
the test wavelength, displayed in the left
hand box, to either -
850 or 1300nm when LED is on ON.
OR
850, 980, 1300, 1310, 1480, 1550 or
1625nm, when LED is OFF.
➤
TURN SOURCE ON OR OFF - Use the
Right arrow button to highlight the
SRC ON/SRC OFF box. Use the
Up/Down & Enter buttons to toggle SRC
ON or OFF.
➤
SET THE POWER MEASUREMENT
UNITS - Use the Right arrow button to
highlight the POWER UNIT SELECTION
box. Use the Up/Down & Enter buttons to
toggle between:
dBm
- absolute power / logarithmic scale
Watts
- absolute power / linear scale
REL
- relative power / reference mode
Continued . .
.
31
OPM / SOURCE
Section 3: Screen Functions & Descriptions