Scantronic 9800+ User Manual page 4

1. Introduction
The keypad has the following displays and controls:
A, B, C LEDs
Day LED
Fault LED
Service LED
Power LED
LED Display
Level Setting Keys
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Figure 1. 9800+ Keypad
These LEDs (Light Emitting Diodes) glow to show
which Level is set. The LEDs are dark when the
Levels are unset. Note that the installer can pro­
gram the system to hide the display.
The Day LED glows when the system is unset. The
LED goes dark when the system is set. Note that
the installer can program the system to hide the
display.
The Fault LED glows when the system is in alarm,
if the system has detected a fault on the telephone
line, or if the internal battery has failed.
The Service LED glows when the panel needs an
engineer to reset it, or the system has detected an
internal problem. Call your alarm installer.
The Power LED glows when the system is using
mains power. If the Power LED flashes slowly then
the mains power has been disconnected and the
system is running off the stand-by battery.
The system displays information and instructions
through the two character LED display.
Use these keys to set individual Levels. A sets the
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