5.5 Operating elements
The operating elements (keys) are on the main board, upper level. The keys can
be pressed on the main board and, when the housing is closed, by using the
membrane keypad. Basically, the function assigned to the key is labeled on the
left, next to the membrane key. Various keys have several functions.
Fig. 15 Operating elements, housing cover view
KEY2
LD1
LD2
LD3
LD4
LD5
LD6
LD7
LD8
LD9
KEY8KEY9KEY10KEY11KEY12
KEY1
KEY13
KEY14
KEY15
KEY16
Fig. 16 Operating elements, XCM1001-2 upper main board view
Keys 4 to 7 are digit keys. These are used for entering the access codes for
release of operation, for the system test and for configuring user functions.
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