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Command Center D720

Installation Guide

1.0 Description

The D720 Command Center is a low profile surface mount, four–wire unit which can annunciate up to eight protective

points on its LED display. It has a [COMMAND] bar, an [ENT] (ENTER) key, and number keys from [0] to [9]. The keys

are used to enter personal passcodes and command functions. When a key is pressed, the keypad is backlit and the

command center emits a short beep to indicate that the buffer has stored the entry.

When a passcode is completed, the [ENT] key must be pressed to enter the passcode. If the [ENT] key is not pressed, the

passcode is ignored by the control/communicator. The [ENT] key is not required to enter [COMMAND] bar functions.

The control/communicator has a time window for accepting key entries. After one key is pressed, the next key in the passcode

must be pressed within five seconds. After five seconds have expired from the last key entry, the entire entry is cleared and the

passcode must be restarted.

The D720 is compatible with the following control/communicators:

Compatible Control/Communicators

D9412 D9412 D9112

D7412G D7412 D9124

D7212G D7212

2.0 Specifications

Operating Voltage

Nominal 12 VDC

Current Requirements

Keypad Idle: 20 mA Keypad Maximum: 100 mA

Dimensions (H x W x D)

4.6 in. x 8.2 in. x 0.82 in. (11.7 cm x 20.8 cm x 20.8 mm)

Wiring

A four-conductor, quick-connect, plug-in cable is provided

for interfacing with the D720 Control/Communicator.

Operating Temperature

0°C to +50°C (+32°F to +122°F)

Non-condensing Relative Humidity

5% to 85% @ +30°C (+86°F)

3.0 Function Keys

The D720 Command Center has three programmable function keys labeled [A], [B], and [C]. Each key can be programmed

to perform many command functions of the control/communicator. This enables the user to press one button to perform

command functions instead of memorizing the command combination. For complete details concerning the programming

of the function keys, see Section 8.3 on page 5.

4.0 Response Tones

The command center contains a sounder used to annunciate several system conditions and area conditions. The response

tones are as follows:

Entry/Exit Delay – The command center beeps during the entry/exit delay period to remind the user to disarm the security

system. This is a programmable function.

Keystroke Entry – As each key is touched the command center emits a short beep to indicate that the entry has been stored

in the command center buffer. This feature can be disabled using the dip switch on the D720.

Faulted Point Protest – Protective points may be programmed to sound the area command center buzzer after an arming

command is entered, to indicate that a point is faulted.

Watch Tone – The command center sounder emits a short beep when a watch point is faulted during watch mode.

System Trouble Tone – Some points may be programmed to sound a service tone when they are faulted. To silence the

sounder enter an arm/disarm passcode for that area, or enter [COMMAND][4].

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Inhaltsverzeichnis

Seite 1 - Command Center D720

Command Center D720Installation Guide1.0 DescriptionThe D720 Command Center is a low profile surface mount, four–wire unit which can annunciate up to

Seite 2 - 5.0 Display

Seite 3 - 5.4 Power Indicator

Seite 4 - Installing the D720

Seite 5 - 8.3 Custom Functions

Seite 6

Seite 7 - D720 Installation Guide

Seite 8

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