GAI-Tronics CB193-001 Call Boxes - Manual (Page 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.
N
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.
N
OTE : If the PTT button is momentarily pressed, the RF Call Box
automatically returns to sleep mode after auto-connect time-out has
expired.