DRAKE 4000 series II Guide de l'utilisateur télécharger pdf (Page 21)

User Guide 4000 Series II - EASi-COM II

Page 20 of 30 STA0309 - Issue 2.0

(Headsets should be used in areas where a number of control panels are used in close

proximity; this should avoid any possibility of howlround occurring).

3.2.7 Headset Select Button

The Headset Button is used to select headset operation. When it is switched on, the

LED is on, the headset microphone is active and the main microphone and

loudspeaker are muted.

3.2.8 Listen Button

The Listen Button allows listen routes to be switched on independently of talk routes.

This mode will only operate on a DAK if it has been programmed for separate Talk and

Listen actions (see item 3.2.11).

Whilst the Listen Button is being pressed, the DAK's can be pressed to turn the Listen

Route on or off.

3.2.9 Talk Tally LED

This Red LED indicates that audio is being sent by the control panel to the destination

associated with the DAK.

3.2.10 Listen Tally LED

This Green LED indicates that audio is being received by the control panel from the

source associated with the DAK.

3.2.11 Direct Access Key (DAK)

The Control Panel has sixteen Direct Access Key buttons. These buttons are used to

make Listen and/or Talk routes to and from the Control Panel.

The buttons operate with a Latch/Non-latch mode of operation. A quick press of the

button latches it on and any other press will switch the button latch off. A prolonged

press will keep the button switched until it is released.

3.2.11.1 Programming

The Direct Access Keys can be programmed with a combined Talk-Listen action, i.e. a

2-way audio route, or as separate Talk and Listen actions. The mode is selected by

simultaneously pressing and holding the Headset and Microphone Mute buttons.

While the Headset and Microphone Mute buttons are being pressed, the tally LED's for

the DAK's will flash if programmed as combined Talk/Listen or will be off if set for

separate Talk and Listen actions.

Contact Drake for suitable headset options.

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DRAKE 4000 series II Guide de l'utilisateur Page 21