HEIDENHAIN 1189852-01 Replacing Instructions page 36

Downgrade from 340490-02 / 340491-02 to -01
Place the cursor on "340490.001" (or "340491.001")
Press the "SELECT" soft key
Press the "YES" soft key
The NC software "349490-01" (or "349491-01") is installed
Delete the "MPNAME.MP" file
The adapted "MPNAME.MP" file is generated
Reboot the control
Enter the code number "95148"
Press the "ENT" key
Press the "MOD" key
Press the "UPDATE DATA" soft key
Press the "CONVERT BIN ← ASC" soft key
Load the associated service pack:
Press the "iTNC ← SP" soft key
A pop-up window is displayed
Place the cursor in the upper part of the window on the TNC partition of the control's hard disk
Press the "-/+" key to open the directory tree
Place the cursor on the folder "340490_001_SP2" (or "340491_001_SP2")
Press the "ENT" key
"340490.001 SP2" (or "340491.001 SP2") is displayed in the lower part of the window
Press the "FILES" soft key
The cursor jumps to the lower part of the window
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