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The PA mode allows the K-202-DVA to play recorded messages over a paging system. For a description of how

the mode functions, see Operation section B. This feature is enabled or disabled on a global basis (applies to

both inputs and all dial numbers). When in programming, enter ##6 to enable the PA mode. When the PA mode

is enabled, the forced play timer should be set to 10 seconds (see Programming section N) and the lap counter

should be set to a value higher than 1 (see Programming section G). To disable the PA mode enter ##5 (default).

All options for the inputs are still programmable (normally open or normally closed, momentary or continuous,

qualifier timer, etc). Note that the PA mode should not be enabled if the Auto-Resume mode has been enabled

because the K-202-DVA will not function properly with both modes enabled.

S. PA (Public Address) Mode

Operation

The K-202-DVA constantly monitors both alarm inputs to see if either of them leaves their normal state (N/O be-

comes closed or N/C becomes open) for more than 90 ms. In the event of two simultaneous closures, Input 1

has higher priority. What happens after a closure is detected depends on the Qualifier Timer setting for the input.

If the Qualifier Timer is set to zero, the event qualifies as an alarm immediately and the input enters the alarm

state. Otherwise the K-202-DVA counts down from the Qualifier Timer value to zero, all the while watching to

see that the closure remains in effect. If the Qualifier Timer reaches zero and the closure has not gone away the

event qualifies as an alarm and the input enters the alarm state.

When an input has entered the alarm state, the K-202-DVA dials the first phone number associated with that

input. When dialing is completed, the K-202-DVA looks to see if call progress detection is enabled. If it is, the K-

202-DVA counts ringbacks while looking for an off-hook. If the call is not answered before the programmed ring-

back limit is reached, the K-202-DVA will hang up and dial the next number in the list. If the called party answers,

the K-202-DVA starts playing the alarm message associated with that input. If call progress detection is not en-

abled, the K-202-DVA simply waits until the forced play timer has expired and then starts playing the alarm mes-

sage regardless of whether the called party has answered or not. Note: If the phone number is a pager number,

the K-202-DVA does not play the alarm message, but instead pauses two seconds and hangs up. When the

called party answers there are 4 options available, as shown in Figure 1 below.

A. Alarm Dialer Mode

Touch Tone Result

Stops the current message if playing and plays message 1 if Input 1 has an alarm that has not been reset, fol-

lowed by Message 2 if Input 2 has an alarm that has not been reset. If neither input has an alarm that has not

been reset, the K-202-DVA gives three beeps.

Stops the current message if playing and plays the other message if the other input has an alarm that has not

been reset. If the other input does not have an alarm that has not been reset the K-202-DVA gives three beeps.

3 Stops the current message if playing, hangs up and continues dialing if applicable.

9 Stops the current message if playing and resets the alarmed input.

In the majority of alarm dialing applications, the K-202-DVA simply goes off hook on the phone line or PBX exten-

sion, pauses one second, then begins dialing the programmed phone (or pager) number. In a few alarm dialing

applications, the K-202-DVA must go off hook on the phone line or PBX extension and provide a 500 millisecond

hookswitch flash before dialing the programmed phone number. This feature can be enabled or disabled on a

global basis (applies to both inputs and all dial numbers). To enable the hookswitch flash before dialing enter

##4. To disable the hookswitch flash before dialing enter ##3 (default). When hookswitch flash before dialing is

enabled, the K-202-DVA goes off hook, waits 2 seconds, provides the 500 millisecond hookswitch flash, waits

one second then dials the programmed phone number.

R. Hookswitch Flash Before Dialing

IMPORTANT: Executing the following programming erases all phone numbers and messages and returns

the K-202-DVA to default settings.

To erase all messages and phone numbers and to return the K-202-DVA to its original default settings enter ###

while in programming.

U. Return to Default

Figure 1

See Operation section C for a functional description of this mode. The Auto-Resume mode is disabled by default

but can be enabled by entering ##9 in programming. In addition, a value for the resume timer should be set so

the unit knows how long to wait before repeating the alarm dialing procedure (see Programming section I). To

disable the mode, enter ##8. The Auto-Resume mode should not be enabled if the PA mode has been enabled

because the K-202-DVA will not function properly with both modes enabled.

T. Auto Resume Mode

To select normal dialing speed (100 ms) enter ##1. To select fast dialing speed (50 ms) enter ##2.

Q. Selecting Dialing Speed

1 2 3 4 5 6 7 8

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