4.3.3.9 Headset push-to-talk
When a headset is connected having a push-to-talk button, a call can be received and accepted by pressing the push-
to-talk button of the headset. A short activation of the headset push-to-talk will turn the headset conversation into full
duplex.
4.3.3.10 PA call and PA volume
The stations can receive PA calls. The volume for priority PA is fixed, whereas the volume of non-priority PA calls can be
adjusted during the PA call or by using the configuration menu.
4.3.4 Push-to-talk
When operating in a noisy environment, it can be convenient to control own microphone, so noise and disturbing sounds
will not affect the hands-free switching. When a call is started in hands-free, it can be turned into push-to-talk by pressing
the push-to-talk key, and hands-free can be regained by giving the push-to-talk key a short push. The display will show
the mode currently in use.
4.3.5 Switching from handset to hands-free
A conversation can be transferred between the conversation handset modes, using either hands-free, push-to-talk, or
handset. The principle is that the last active device is the one being used. For switching from headset or handset to
hands-free it is necessary to pass via push-to-talk mode by first pressing the push-to-talk key and after that entering
hands-free by giving the push-to-talk key a short push. This is because when in conversation, pressing the hands-free
key means terminating the call.
4.3.6 Headset push-to-talk
When a headset is connected having a push-to-talk button, a call can be received and accepted by pressing the push-
to-talk button of the headset. A short activation of the headset push-to-talk will turn the headset conversation into full
duplex.
4.3.7 PA call and PA volume
The stations can receive PA calls. The volume for priority PA is fixed, whereas the volume of non-priority PA calls can be
adjusted during the PA call or by using the configuration menu.
4.3.8 The menu system
The AlphaConnect P411 (and AlphaConnect P412) has a comprehensive menu system which is described in this
section. The menu is typically used for system setup.
4.3.8.1 Navigating in the Menu
To enter the menu system, press and keep ‘M’ pressed for approx. 2 sec. Use key up and down for navigating, and
select a menu using the M key. To exit the menu system, wait 10 seconds, or press the speaker key.
56 | Operation of communication stations
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