Baileigh Industrial SH-120250-HD Operator's Manual page 35

Interface switching, mainly used to switch among parameter interface,
programming interface and diagnose interface and to modify in program sequence.
Left Direction key, moves the cursor to the left or page back.
Right Direction key, moves the cursor right or page forward.
Cursor up, press this key to show previous parameter.
Cursor down, press this key to show next parameter.
Function Key. Press to switch pages for different functions.
Symbol Key. Press this key to switch the symbol of value in the input area between
+ (positive) and – (negative).
0 – 9 Digit Keys. The 10 digit key pad.
Decimal key. This key allows you to input decimal symbol.
Low speed forward moving key.
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