Honeywell Excel 50 - Operators Terminal; MMI Keyboard and Keys

EXCEL 50 MMI - USER GUIDE
1 EN2B-0222GE51 R0216
OPERATOR'S TERMINAL
Fig. 1. Excel 50 Man-Machine Interface
The Excel 50 controller's MMI (Man-Machine Interface, see Fig. 1) consists of a
keyboard and a display described below.
Keyboard
The keyboard has 8 basic function keys and 4 fast-access keys described below.