KI 734x/774x UM-12
63
QUICK REFERENCE GUIDE - KI7340C/7740C SERIES OPTICAL TWO WAY LOSS TEST SET
Measuring Two Way Loss in Autotest
•
Remote reference:
on each instrument, connect two way
port to power meter port. Select [Autotest], [Abs/Rel]. Press
[Set Ref] for 3 seconds. Meters display about 0.00 dB.
•
Local reference:
connect two way ports of two instruments.
Select [Autotest] and [Set Ref]. Meters display about 0.00
dB.
•
Loss testing:
after referencing, connect two way ports of
both instruments to test system. Select [Autotest] on one
unit.
‘Auto’ shows while
synchronising, then average loss.
•
To show dBm/dB results for each direction, press [
◄►
]
successively on hidden keypad. Press [Menu] to exit.
•
Two Way Communication:
press [Hold] to make remote
end beep and flash [Hold]. Then at Remote end, press [Hold]
to resume display update. Local end beeps and stops [Hold]
flashing.
•
To exit Autotest, remove connection, or press [Menu].
Measuring One Way Loss in Autotest
•
Reference:
connect a two way/source port to a power meter
port. Select [Autotest], [Abs/Rel]. Press [Set Ref] for 3
seconds. Meter displays about 0.00 dB R.
•
Loss testing:
after referencing, connect test system to two
way / source and meter ports. Loss will be automatically
displayed.
•
To exit Autotest
,
remove test lead for more than 8 seconds
or turn off source
MEMORY OPERATION:
•
Data can be stored in all modes, however, memory recall
and cancel functions are not available in Autotest and only
work in Light Source, Power Meter or Return Loss modes.
•
Clear all memory:
press both [MR] and [Exit]
simultaneously for 3 seconds. ‘clr’ will display.
•
To store in next location, press [M+].
•
To change next store location, press [
◄►
] [-/+] [Set] or
[Menu].
•
To recall, press [MR] and [-/+] to scroll memory. Use [Abs /
Rel] to see dB/dBm values. Hold down [Abs/Rel] to see
reference level.
•
Autotest memory recall: use [-/+] to select next wavelength.
•
Two way test only: press [
◄►
] repeatedly to scroll details.
•
To exit memory display, press [Menu].
