Gai-tronics CB193-001 Call Boxes Manual de usuario descargar pdf (Pagina 24)

Pub.: 43004-031E

Model CB193-xxx, CB194-xxx, and CB195-xxx RF Call Boxes Page

23 of 52

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Transmit Channel Busy; Call Completed

Step Action Response

1 User presses the PTT

button (momentary or

maintained)

Call Box wakes from low-power sleep mode, checks transmit

channel activity, and status lamp lights red to indicate that the

channel is busy (wait period).

2 Transmit channel activity

detected

The Call Box status lamp flashes red for a pre-programmed amount

of time before again checking transmit channel activity.

3 User continues to depress

the PTT button until the

channel is available

Call Box proceeds as in steps 2 through 7 in “Normal Use” section.

OTE: If the PTT button is momentarily pressed, the RF Call Box

automatically enters the minimum transit time, proceeding as in

steps 2 through 7 in the “Normal Use” section after the channel has

cleared.

Transmit Channel Busy; Call Aborted

Step Action Response

1 User presses the PTT

button

Call Box wakes from low power sleep mode, checks transmit

channel activity.

2 Transmit channel activity

detected

Call Box status lamp flashes red indicating a busy channel (wait).

3 User releases PTT button

while the channel is busy

Call Box powers down the radio and audio circuitry (after auto

connect time-out has expired). The status lamp is off and the unit

returns to its low-power sleep mode.

OTE: If the PTT button is momentarily pressed, the RF Call Box

automatically returns to sleep mode after auto-connect time-out has

expired.

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Gai-tronics CB193-001 Call Boxes Manual de usuario Pagina 24