NOYAFA NF-308 - Manual (Page 13)

Calibration and setup (SETUP) function:
After entering into calibration and setup (SETUP) function, the tester shall
display as follows:
----s e t u p ----
Unit:meter
Calibration
Quit
UNIT: It is used to set up length unit and shifts between meter (Meter)
and feet (FT).
CALIBRATION is calibration function.(Detailed as related chapters hereinafter)
QUIT is used to return the main menu.
Dynamic calibration (CALIBRATION) function:
For an accurate measurement of cable length,the calibration operation should
be done as follows.
After entering into dynamic calibration function, the tester shall display as
follows:
CALIBRATION?
NO YES
Insert same type cable of given length into M port, do not need insert
far-end recognizer, push key (Yes) to undertake measurement and
display the measured length (as shown below):
Piease adjust?
20.0m
- o k +
At the moment, hold and key (-/+) to adjust the length to actual
given length and then push
key to reserve calibration factor
and exit calibration function.It will display as follows if the cable
length being measured is too short(<10M) to remind the user to
change a longer cable for calibration:
Cable to short!
coht innt. cai
No yes
PAIR&L
10 Your excellent helper in cable test!