NFS2-640/E Operations Manual —
P/N 52743:F1 06/16/2011
11
Section 2: Use of the Controls
2.1 Introduction
Listing of the controls and indicators and where to find information on their use:
Figure 2.1 NFS2-640 Control Panel Keys and Indicators
2.2 System Status Indicator LEDs
The control panel contains 12 labeled LEDs described in Table 2.1.
Operating Components
Covered in
Twelve System Status Indicator LEDs
“System Status Indicator LEDs” on page 11
Five Control Keys
Programming Keypad
“Programming Keypad” on page 14
Control Keys
(Refer to
page 12).
Status Indicator
LEDs (Refer to
Section 2.2 below)
Programming Keypad
(Refer to page 14
Function keys
(Refer to page 14
Cursor movement (arrow) keys,
ESC
key, and
ENTER
key. (Refer to page 14
NF
S
2
_6
40
-k
e
y
pa
d
.wm
f
8 0 - c h a r a c t e r ( 2 x 4 0 ) L i q u i d C r y s t a l
D i s p l a y . ( L C D )
Indicator
Color
When Active
To Turn Off
CONTROLS
ACTIVE
Green
LIghts when the panel assumes control of local
operation as primary display.
Turns off automatically when another panel
assumes control of local operation.
POWER
Green
Lights when the proper primary AC power is
applied. Remains lit while power is applied.
Always lit with AC power applied.
Table 2.1 Descriptions of System Status Indicator LEDs (1 of 2)
