Troubleshooting - Joinwit JW3213 Series User Manual

．
"Del All"
⑶
Under "History data", use
press "
shown in below figure.
Problem
No display on
the LCD
Inaccurate
measurements
2 1
" to confirm to delete all the saved history data as
Chapter 5

Troubleshooting

Possible Cause
1. Power Off
1. Lower Battery
1.Optical interface
is not clean
2. Improper fiber
connection
and
to highlight "Del All",
Solution
1. Press"
on
2. Change the battery
1Clean the fiber optic
interface
2. Reconnect the fiber
" to turn