Tyco Electronics P5400 manual 103

MM-012099-001, Rev. B

10.19.2Declaring an Emergency Call

Perform the following steps to send an emergency call to a selected system and group (or on an optionally pre-programmed group).

1.Press and hold the red EMERGENCY button that is on top of the radio in front of the antenna for approximately one second (this time is programmable and therefore could be longer or shorter; check with the system administrator). The radio will transmit an emergency call request with the radio ID until an emergency channel assignment is received.

2.When the working channel assignment is received, the radio sounds a single beep indicating the radio has auto keyed (see Table 8-4)and is ready for voice transmission. *TXEMER* flashes on line two in the display until the emergency is cleared.

3.Press PTT and speak into the microphone in a normal voice. and momentarily turn ON.

4.Release PTT when the transmission is complete.

To clear the emergency first press and hold the button. While continuing to hold the button, press the EMERGENCY button. (This will work if the radio is programmed to clear emergencies.)

10.20INDIVIDUAL CALLS

10.20.1Receiving and Responding to an Individual Call

When the radio receives an individual call (a call directed only to the user's radio), it un-mutes on the

assigned working channel and displays . The first line on the display shows the logical ID number of the unit sending the message, or the associated name if the ID number is found in the individual call list. The radio can be programmed to ring when an individual call is received. If enabled, the ring begins five seconds after the caller un-keys and will continue until the PTT button, the button or the individual call mode is entered.

The volume of the ring is adjustable through the volume control levels.

If a response is made by pressing the PTT to the call prior to the programmed call-back time-out, the call will automatically be directed to the originating unit. If a response is not made before the call-back time- out, the radio will return to normal receive display, and *WHC* will appear on the first line of the LCD.

To respond after the call-back time-out, press the key. The radio's display will show the callers ID on the first line and WHCI=1 on the second line. Pressing the PTT button at this point will initiate an individual call back to the original caller.

The radio stores the IDs of the last 10 callers in the Calls Received List as shown. Individual calls are stored in the top half of the list (1-10) and Group calls are stored in the bottom half of the list (1-10). The most recent call is stored in position 1, the second most recent call is stored in position 2, etc.

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