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3. Installation
STR
BELL
TR
+
LS
O/P
12V
0V
DATA
CLK
9427
DATA CLK 12V 0V
SOUNDER
- VOL +
Figure 10. 9427 Keypad Connections
Keypad Addressing and Backlighting
You can fit up to two remote keypads. (The 9448+ software will not handle
more than two keypads. The 9448ES will handle four keypads.) Each one
must be given a separate "address". Link LK1 sets the keypad address, as
shown in Figure 11. Use LK4 to switch the remote keypad backlights on or
off.
1
2
3
ADDRESS
Backlight OFF Backlight ON
Keypad 0 Keypad 1
Keypad 2 Keypad 3
1
2
33
33
1
2
1
2
1
2
9427
DATA CLK 12V 0V
SOUNDER
- VOL +
Figure 11. Keypad Addressing and Keypad Backlight
Note:The control panel, when supplied from the factory, is configured with its
backlight ON. To turn the backlight OFF clip the link indicated in Figure 3.
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