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K4242-2 7/99

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Addendum To:

Installation Instructions for VISTA-20SE Family of Controls

Subject:

Addition Of Dynamic Signaling Feature

• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • These control panels now feature Dynamic Signaling Delay (DSD) and Dynamic Signaling Priority (DSP) message reporting when Long Range Radio is used. This is achieved by the addition of two new data fields, ✱ 54 and ✱ 55. This feature is designed to reduce the number of redundant reports sent to the central station. The new feature offers you the following options:

• Dynamic Signaling Delay (DSD) You can select the time the panel should wait for acknowledgment from the first reporting destination before it attempts to send a message to the second destination. Delays can be selected from 0 to 225 seconds, in 15-second increments. This choice is made in field ✱ 54. This delay is per message.

• Dynamic Signaling Priority (DSP) You can select the initial reporting destination for messages, Primary Dialer or Long Range Radio. This choice is made in field ✱55. The chart below will provide a concise explanation of how the Dynamic Signaling feature functions. If Priority ( ✱55) is . . .

And message is . . .

Then . . .

Primary Phone No. (“0” entered)

Acknowledged before delay expires

Message is removed from queue and no message is sent to LRR.

––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

Long Range Radio (“1” entered)

Not acknowledged before delay expires

Message is sent to both the Primary Phone No. and LRR.

Acknowledged before delay expires

Message is removed from queue and no message is sent to primary dialer.

––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

Not acknowledged before delay expires

Message is sent to both the Primary Phone No. and LRR.

NOTE: You must enable field ✱ 29, OUTPUT TO LONG RANGE RADIO, if this feature is to function.

New Fields: ✱54

DYNAMIC SIGNALING DELAY (DSD) [0] 0–15 times a 15-second delay. e.g., 1 = 15 seconds, 2 = 30 seconds, etc. Default is “0” (no delay). You must enter “0” for UL installations. Note: If ”0” is entered in this field, the control panel will send redundant reports to both Primary Dialer and LRR.

✱55

DYNAMIC SIGNALING PRIORITY (DSP) 0 = Primary dialer first; 1 = Long Range Radio (LRR) first. Default is “0” (primary dialer)

165 Eileen Way, Syosset, New York 11791 Copyright © 1997 PITTWAY CORPORATION

Copyright © 1999 PITTWAY CORPORATION

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