User manual

1. Press the main switch for several seconds.
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The ‘Power&lock’ menu opens up.
2. Use the arrow buttons to select the menu item ‘Lock’ and conrm with ‘SET’ .
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The message ‘System locked’ , appears in the display, the device is getting locked.
After a few seconds, the menu is closed. The symbol appears on the display.
3. To cancel the key lock, press [SET] until the message ‘System unlock’ appears.
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The keys have their original function again. The symbol is no longer visible.
Locking or unlocking the but‐
tons
Operating
column PT
47