Toa N-8000 Series - Manual (Page 118)

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Chapter 2 FUNCTIONS AND OPERATION
MASTER STATION'S FUNCTIONS AND OPERATION
One-way conversation
One-way conversation
PTT
1.5.3. PTT conversation
This function makes announcements and conversations possible to areas with a high ambient noise level.
Pressing the Push-to-talk key during a hands-free conversation enables one-way conversation from the party
who pressed the Push-to-talk key. Conversation flow reverses when the key is released.
PTT
PTT PTT
One-way conversation
One-way conversation
When both parties have pressed the Push-to-talk key, the party who pressed the button last is given precedence
to speak.
1.5.2. Handset conversation
Calls can be made or received by lifting the handset.
Duplex conversations
or