DSC PC4020 - V3.3 Installation Manual download pdf (Page 33)

Section 10: System Programming

10.1 AC/DC Power Options

Ref # [000200]

The following options are used to determine the power

settings for the system. Press [*] to toggle each option on

or off.

• Power Up Shunt: If enabled, all zones will be inactive

during the first two minutes of power up to prevent

causing false alarms (default=Yes).

NOTE: Do not disable the Power Up Shunt option if

AML devices are used.

• AC Trouble Displayed: If enabled, the system key-

pads will display an AC trouble. If disabled, the AC

Trouble will not be included in the system trouble indi-

cations (default=Yes).

• AC Frequency 60 Hz: Enable this feature if the AC

cycles at 60Hz; disable it for a 50Hz cycle. The stan-

dard for North America is 60 Hz (default=Yes).

• AC Inhibits Arming: If enabled, the system cannot be

armed when an AC trouble condition is present on the

main panel, PC4204/PC4204CX, PC4702, PC4820 or

PC4850. If disabled, the system can be armed with the

presence of an AC trouble (default=No).

• DC Inhibits Arming: If enabled, the system will not

arm when a low battery condition is present on the

alarm control panel, the PC4204/PC4204CX, PC4702,

PC4820 or the PC4850. If disabled, the system can be

armed with the presence of an DC trouble.(Default =

No)

NOTE: This feature does not apply to wireless devices. If

enabled, a battery trouble will not inhibit arming. The

control panel and PC4204/PC4204CX/PC4702/PC4820/

PC4850 modules will only communicate and log to the

event buffer three low battery events per 24 hour

period (reset at midnight).

10.2 Bell Circuit Supervision

Ref#: [00020300] Bell Cut-off

Ref#: [000200] System (Bell) Options

The Bell Cut-off time will determine how long the fire/

burg bell outputs will be active when an alarm occurs.

Valid entries are from 000-255 minutes. The default setting

is 004 minutes.

The following system toggle options items will determine

how the fire/burg bell outputs will operate.

• Bell Shutdown: If enabled, the burg bell outputs will

not activate for a zone that has reached the swinger

shutdown limit, if programmed. If disabled, a zone

alarm will always activate the burg bell outputs

(default=Yes).

• Fire Timeout: If enabled, the fire bell outputs will fol-

low the bell time-out. If disabled, the fire bell outputs

will remain active until a valid access code is entered

to silence the alarm (default=Yes).

• Bell Delay Timer*: After an audible burglary alarm

has occurred, the system will delay sounding the bells

for the amount of time programmed in this timer. Valid

entries are from 000 - 255 minutes. If 000 is pro-

grammed, there will be no delay before the bells

sound. (Default = 000)

For more information regarding the bell output program-

ming, please see Section 11.1 ‘Main Panel Outputs‘. For

information on bell circuit wiring, please see 2.12 ‘Bell

Output Wiring (BELL+ and BELL-)‘.

10.3 Clock Options

Set System Time and Date

The System time and date can be programmed by the user

and thus are not accessible in the Installer’s Programming

mode. For instructions on programming the time and

date, see the Instruction Manual ’Setting the Time and

Date’.

Daylight Savings

Ref #: [00020303]

Program the date on which daylight savings time will

begin. The month, day and week are required (where MM

= 01-12; D = 1-7 Sunday-Saturday; W = 1-5).

To program daylight savings time to start on the first Sun-

day in April, enter [0411]. At 2 a.m. on the programmed

day, the time will automatically adjust to 3 a.m. daylight

savings time. All scheduled events that would have

occurred between the hours of 2 and 3 a.m. will not occur

for this day.

Standard Time

Ref #: [00020304]

Program the date on which standard time will begin. The

month, day and week are required (where MM = 01-12; D

= 1-7 Sunday-Saturday; W = 1-5).

To program standard time to start on the last Sunday in

October, enter [1015]. (Sometimes, there are five Sundays

in a month. If there are not 5 Sundays in the month, the

change to standard time will occur on the 4th Sunday.)

At 2 a.m. on the programmed day, the time will automati-

cally adjust to 1 a.m. standard time. Any scheduled events

between 1 and 2 a.m. on this day will occur twice.

System Clock Options

Ref #: [000200]

The following system options pertain to the system clock.

Press [*] to toggle each option either on or off.

• Military Time: If enabled, the clock will display 24

hour time (military time) and date will show as MM/

DD/YY. If disabled, the clock will display 12 hour

time—with an ’a’ for a.m. or ’p’ for p.m.—and the date

will show as Month/DD/YY. The printed time and

date also follows this option (default=No).

• Crystal Time: If enabled, the timebase will be the inter-

nal crystal oscillator. If disabled, the timebase will be

the AC power input. The crystal oscillator should be

used for applications with a less reliable AC power

source (default=No).

* Do not use in UL Listed installation.

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