Viavi MTS 4000 Base Unit, User Manual

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Chapter 13 Maintenance and Troubleshooting
Replacement of the small PCB battery (for backup)
User Manual 77000000206 Rev. 007 207
– Press 2 to delete all and re install all the softwares
a If the button 2 is pressed, the updates available will be displayed.
b Use direction keys to display the available choices and install
the software versions wished
c Once the choice is selected, press
E
NTER
The update will start automatically.
7 Once the upgrade is completed, the 4000 Platform will automatically
tunrs on and display the
Home page.
Replacement of the small PCB battery (for backup)
The 4000 Platform Lithium battery on the microprocessor board ensures
that date, time and certain information data are not lost when the instru-
ment is switched off.
Checking the
battery
If there is doubt as to whether the battery needs to be changed or not,
switch off the instrument. On switching the instrument on again, check
whether the date is still correct. If the date has been lost, the battery
needs replacing.
Contact your nearest Viavi Customer Service Centre.
This battery has an average life of more than five years.
Battery replacement should not be carried out by the user:
this may be dangerous to the microprocessor board (certain
components may be damaged or destroyed) and requires
special tools
Touchscreen calibration
If the 4000 Platform is equipped with a touchscreen, a specific button
Touchscreen Calibration appears in the right hand corner of the setup
screen.
The Testing indicator will be lit in red during upgrade. Do not
push any key or remove the USB memory stick until the lit turns
off.