49
7.2 Troubleshooting
索引
4
3
2
1
7
6
5
10
9
8
An incorrect ID number is
displayed
Is the test cable connected cor-
rectly?
→
When Open or No Shield is dis-
played because a cable is not
connected correctly, an incor-
rect ID number may be dis-
played. (Open or No Shield is
displayed when a wire is not
connected.)
Cable length is not
obtained when cable length
calibration has been per-
formed
Is the cable between 2 and 300 m
long?
→
The cable length measurement
range of this instrument is 2 to
300 m (6.6 to 984-ft.). However,
cable length cannot be mea-
sured if the cableÅfs characteris-
tic impedance is far from 100
Ω
.
The
mark is blinking
→
Replace the batteries (p.51).
Nothing is displayed even
when pressing the POWER
key
→
Replace the batteries (p.51)
Are the batteries installed cor-
rectly?
→
Check whether the batteries are
installed correctly.
If installed incorrectly, reinstall
the batteries (p.51).
Symptom
Checks and Remedy
ON/OFF
www.
.com
information@itm.com
1.800.561.8187