Operating instructions
Operator controls and displays
5.1 Front operator controls
MP 377, MP 377 PRO (WinCC flexible)
82 Operating Instructions, 10/2008, 6AV6691-1DR01-0AB0
MP 377 12" Key
① Function keys with LED
② System keys - alphanumeric keys
③ Display
④ System keys – control keys
⑤ System keys - cursor keys
The MP 377 12" Key is operated using the system keys and the function keys.
The function assigned to a specific function key is defined during configuration. The function
keys have no function prior to the project being opened.
NOTICE
Unintentional action possible
Do not carry out several operations simultaneously. You may otherwise trigger an
unintentional action.
Do not press more than two keys simultaneously
Damage to the keyboard possible
Using hard instruments to press the keys considerably reduces the service life of the
key mechanism.
Only use your fingers to operate the HMI device keys.