Revision 2 Date: 11 Jun 2020 Page 7 of 12
3.6 Alert/Pass/Fail threshold setup
➊
Choose a threshold group number from the available 01, 02, 03 using [▲,
▼].
➋
Use [◄, ►] to select wavelength from the available 1270, 1310, 1490,
1577 nm.
➌
P
ress and hold [OK] to enter editing mode.
Use [◄, ►] to move cursor and highlight the digit on display to be edited.
Use [▲, ▼] to change value of selected digit.
Use [▼] to change the sign (positive or negative) of the value.
➍
After all the 3 threshold values (see below) for the selected wavelength
are correctly set,
Alert (displayed as
!
)
Pass (displayed as
√
)
Fail (displayed as x
)
The alert/pass/fail threshold values for 1270,
1310, 1490, 1577 nm can be individually preset.
These preset values can be stored in 3 groups
(01, 02, 03).
To enter Threshold Setup mode (see picture on
the right), press and hold [▲] at home display.
Note that this mode will exit automatically if no
subsequent key is pressed 10 sec after being
selected.
To preset and save threshold values, see steps
➊
~
➍
below.
Threshold group number
