User's Manual

62
 Upon reception of the correct Access Code, the Mobile Unit will open
full-duplex communication between the call recipient and the Mobile Unit
user. You can use the following DTMF commands to switch between
speech modes:
- Enter (1) to talk only.
- Enter (2) to open two-way voice communication.
- Enter (3) to listen in only.
- Enter (9) to hang up. You can also put the handset back to the base
cradle to end the call.
- Press any DTMF key except for the designed hang-up key (9) to add
another preset communication period. When a DTMF key is pressed,
its designed shortcut function will be executed and the communication
time extended simultaneously.
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<
N
N
O
O
T
T
E
E
>
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 If you wish to enable a designed shortcut function, please press the DTMF
key for over 1 second to enable the function.
When your programmed choice is follow-on or follow-on & callback, what
follows will be two-way voice communication, listen-in, or waiting for
commands depending on your setting.
Follow-On Operation
During the follow-on period, the CMS can remotely control the Mobile Unit by
the following DTMF commands:
1. Contact ID/Scancom/Tunstall formats:
 Enter (1) to talk only.
 Enter (2) to open two-way voice communication.
 Enter (3) to listen in only.
 Enter (9) to hang up. You can also put the handset back to the base cradle
to end the call.
 Press any DTMF key except for the designed hang-up key (9) to add
another preset communication period. When a DTMF key is pressed, its
designed shortcut function will be executed and the communication time
extended simultaneously.
<
<
N
N
O
O
T
T
E
E
>
>
 If you wish to enable a designed shortcut function, please press the DTMF
key for over 1 second to enable the function.
2. CPC format:
 Send code (C0603BD) to open two-way communication.