control panel, and keyboard/processor interface cables.
b.
Inputs:
Display data.
c.
Output:
Control data.
d.
Display panel shall contain displays and indicators with
characteristics and functions noted and shall be a
[four-character, seven-segment light-emitting diode] [300] [380]
[430] [480] [mm CRT] [12] [15] [17] [19] [inch CRT] display:
Display/Indicator
Function
TIME
Displays time of day
DATE
Displays month and day
ZONE
Displays number of zone for which status is
indicated; displays entered data during
user entry of installation-related data
[Light-emitting diode] [CRT] indicators:
ZONE ALARM
Indicates zone status alarm when lighted or
displayed; unacknowledged if flashing,
acknowledged if continuous (see POWER FAIL
below)
ZONE ACCESS
Indicates zone status access when lighted or
displayed
ZONE SECURE
Indicates zone status secure when lighted or
displayed
ZONE INVALID
Indicates zone does not exist (has not been
user entered) when lighted or displayed
COMM FAIL
Indicates zone status communications failure
when lighted or displayed and zone number is
displayed; indicates failure of
communications with one or more control
units when zone display is blank;
unacknowledged if flashing, acknowledged if
continuous. Addresses of communications
failure control units shall be printed
immediately following communications
failure; zones in status communications
failure as a result of communications
failure are displayed and printed by
pressing STATUS on the keyboard.
POWER FAIL
Indicates loss of monitor and control unit ac
primary power for more than 2 minutes when
lighted or displayed and zone display is
blank; indicates zone ac primary power
failure when zone number displayed and ZONE
ALARM indicator lighted or displayed;
unacknowledged if flashing, acknowledged if
continuous. POWER FAIL indicator will end 2
SECTION 13703N
Page 63
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