NFS-640 Operations Manual P/N 51334:B 10/03/2003 15
2. Use of the Controls
Introduction
Listing of the controls and indicators and where to find information on their use:
Figure 1 Control Panel Keys and Indicators
Operating Components Covered in
Eight System Status Indicator LEDs “System Status Indicator LEDs” on page 16
Five Control Keys “Control Keys” on page 17
Programming Keypad “Programming Keypad” on page 19
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Cursor movement (arrow) keys,
ESC key, and ENTER key
NFS640keypad.cdr
80-character (2 x 40) Liquid Crystal
Display.(LCD)
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