20 MS-5UD & MS-10UD Series Manual — P/N 52626:C2 1/24/2012
Product Description Controls and Indicators
1.3 Controls and Indicators
LCD Display
The FACP uses an 80-character
(4 lines X 20 characters) high viewing angle
LCD display. The display includes a long life
LED backlight that remains illuminated. If AC
power is lost and the system is not in alarm, the
LED backlight will turn off to conserve batteries.
Key Panel
Mounted on the main circuit board, the key panel includes a window for the LCD display and LED
indicators as listed above. The key panel, which is visible with the cabinet door closed, has 25
keys, including a 16 key alpha-numeric pad similar to a telephone keypad.
Function keys:
• Acknowledge/Step
• Alarm Silence
• Drill
• System Reset (lamp test)
Service/program keys:
• Keys labeled 1 to 9
• * key
• # key
• 0 (recall) key
• 1st Event key
• Clear key
• Escape key
• Mode key
• Four cursor keys (up, down, left and right)
• Enter key
LED Indicators
LEDs are provided to annunciate the following conditions:
• Fire Alarm - red LED
• Supervisory - yellow LED
• AC Power - green LED
• System Trouble - yellow LED
• Alarm Silence - yellow LED
• Primary Phone Line Active (on circuit board) - red LED
• Secondary Phone Line Active (on circuit board) - red LED
• Kiss-off (on circuit board) - green LED
Local Piezo Sounder
A piezo sounder provides separate and distinct sounds for alarm, trouble, maintenance, process
monitor and supervisory conditions as follows:
• Alarm - on steady
• Trouble - pulse 1 second on and 1 second off
• Maintenance - pulse 1 second on and 1 second off
• Supervisory - pulse ½ second on and ½ second off
• Process Monitor - pulse ¼ second on and ¼ second off
SYSTEM ALL NORMAL
10:00A 012105
Figure 1.3 Membrane/Display Panel
9050udkypd.cdr
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