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Operations Overview 2-7
B1272M001
BARNETT ENGINEERING LTD. ProTalk Cv2
2.2.4 How do you want to respond to an alarm call?
After the Cv2 has finished speaking the alarm messages, it prompts the called party with the
phrase “Enter Acknowledge Code” and then waits five seconds for the code to be returned. If
the code is received, it will terminate any further call out activities until a new alarm occurs;
otherwise, it will proceed to the next line in the directory. There is a Temporary
Acknowledge Time that can be set in the General section that will override the operation of
the Acknowledge Code. If the temporary time is set to a value other than Off, and the
received Acknowledge Code has the digit # appended to it, the Cv2 will remain in the
acknowledged state only for this time interval. After the timer has expired and if the alarm
condition still exists, the Cv2 will resume alarm reporting. This feature is used as a safety
measure to ensure that an alarm cannot be acknowledged and then left unattended.
Each directory has its own Acknowledge Code which only affects alarms that have been
assigned to that directory.
2.2.5 What if an alarm is not acknowledged?
When the last line in the directory has been completed without receipt of an Acknowledge
Code, the cycle timer is used to determine how long the Cv2 will wait before the directory
sequence is repeated again.
2.2.6 What do you want the Cv2 to do when you call it?
In addition to reporting alarms, the Cv2 will also answer incoming calls. This allows you to
interrogate the unit and operate control outputs. When called, the Cv2 will announce the Site
ID phrase and then wait ten seconds for the Access Code before allowing access to alarm
information or other control functions.
Each directory has its own Interrogate Code. When the code is entered, all active alarms are
spoken. Control outputs respond with the stored phrase followed by either ‘On’ or ‘Off’
indicating their current state.
The presence of incoming calls is indicated by the ringing sound from the speaker and at
output 5.
2.2.7 Sending remote control commands
Controls can be controlled using the programmed codes. These codes can be sent to the Cv2
either during a reporting sequence or when a call is placed to the unit.
During the alarm reporting sequence, the control codes may be sent after the “Enter
Acknowledge Code” prompt is heard. For the next five seconds, the Cv2 will accept
Acknowledge, Interrogate or Control codes. With each received code, the command will be
performed and a prompt for another command entry will then be spoken. For a remote control
output, the status of the output will be spoken after the received code has been executed.
When the unit is called and after the Access Code, if required, has been entered, the prompt to
“Enter Command Code” will be issued. In either case, the call will be terminated if a valid
code is not received during the ten second window.