GE USM 36 Series Technical Reference And Operating Manual page 248

7 Maintenance and care
– Press the function key F1 (1) and the Power key (2)
simultaneously, and hold the two keys pressed until
the display screen is turned on and the message
FLASH UPGRADE MODE appears.
The installation process will then start. The following
messages are displayed one by one:
LOADING FILE
VERIFYING FILE
PROGRAMMING FLASH
At the end of the installation, the instrument is powered
off automatically. After this, you can power the USM 36
on again and use the new software version.
N o t e
For resetting the instrument to factory default
settings, see Section Factory default set-
ting (Reset), page 3-12.
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Issue 2 (12/2013)
Software updates
2
USM 36