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OFT-920 USER MANUAL
8.4 Menu #4
[AOFF]
-activates or deactivates Auto Off feature.
If activated, the unit will turn off after approximately 10 minutes of no activity.
[B/L]
-turns the Display Backlight On and Off
[LIMIT]
-sets limit (dB) for measured fibers - A1, A2, B1, B2
+
–
-by using
and
keys set limit, and confirm "OK"
minimum value is 0.5 dB, maximum 25 dB, step 0.5 dB.
-for measuring without limit set "OFF"
-when the limit is set, and unit is in relative power measurement mode, the screen
shows:
pass – the loss is lower than the limit
fail – the loss is higher than the limit
overpower – indicates gain, clean the connectors and make a reference again
- 16 -
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