AT&T System 75 8520T User Manual download pdf (Page 98)

Universal Transmitter

Model 8240

Description: The Universal Transmitter accepts a

single sensor (open or closed) loop that can be

used for a fire, environmental, intrusion, or other

application, and can act as a personal (medical,

panic) transmitter. It has a built-in tamper switch,

and an optional battery saver.

An optional backplate provides better protection if

the transmitter is being used as a personal

portable unit.

A button on the front of the transmitter can be set

to either:

always produce an audible panic alarm, or

l produce the alarm programmed for the

sensor loop in function

#513,

if the sensor

loop is active at the time, depending on

whether it is in the OFF, DAY, NIGHT or

AWAY mode.

The transmitter button must be held for 2 seconds

to activate.

Mount/Install:

Press the tab on the back to snap the back

off the unit.

Remove the snap caps or spade lugs to

separate the back from the unit.

If the unit is to be used as a personal

portable unit, skip steps 3 and 4.

Proceed to Settings/Connections.

If the Unit is to be used with a sensor,

route sensor wires through the backplate

and mount the plate with 2 screws in the

oblong holes on the back.

Wire the sensor loop (if used) to the black

and green terminals and reattach the snap

caps or spade lugs according to the

marked color code. Proceed to Settings/

Connections.

Settings/Connections: Refer to Figure A-5. The

circled numbers refer to the steps which follow.

Set the system house code on the short

set of dip switches to match that of the

Wireless Receiver Module.

Set the Sensor number using switches 1

through 5 on the long set of dip switches.

Use the ID Switch Settings table provided

with the figure.

If the unit is to be used with a sensor, set

switch 6 to ON for an open loop or OFF for

a closed loop.

Turn the battery saver ON or OFF using

switch

7. Note that switches 10 and 11

must be ON for all functions of the

transmitter. Table A-l, Universal

Transmitter: Battery Saver/Push-Button

Functions, on page

A-8b,

shows the

available settings.

If you are using the universal

transmitter with a contact sensor

and

you want the transmitter to send a signal

each time the sensor is tripped, set switch

to OFF. The transmitter then responds

each time the sensor is tripped. Use this

setting routinely.

If you are using the universal

transmitter with a contact sensor and

you do NOT want the transmitter to send a

signal each time the sensor is tripped, set

switch 7 to ON. Use this setting with a

contact sensor for special circumstances

only.

For example, a business might have a

contact sensor protecting a door and wired

to a universal transmitter. Every time the

door is opened the transmitter sends a

signal to the CCU. If this door is opened

frequently, the transmitter’s battery will not

last long. In this case, it would be best to

use the battery saver and set switch 7 to

ON.

NOTE:

Switches 8 and 12 have no effect.

A- 8

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AT&T System 75 8520T User Manual Page 98

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