OpenPhone 71/73/75 System Telephones Using a Headset
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1.4.2 Choosing a Key Level
Keys can be programmed on three levels with a keypad extension
KeyExtension 75D. There are a total of 60 storage locations available on 20 keys.
To toggle between the levels, use the level keys
; on the lower left. The illu-
minated LEDs next to the key indicates that the level is activated. In the display of
the keypad extension, you will also see the text with which this storage location is
labelled.
A keypad extension KeyExtension 73P offers only one level.
1.4.3 Labelling a Key on the Keypad Extension
Paper strips are used for labelling the key on the KeyExtension 73P keypad
extension. The keys are either labelled with the default text on the
KeyExtension 75D (e. g. when programming a feature key) or by entering an indi-
vidual text when programming the key (see also the chapter Labelling the Keys
starting on page 21).
1.5 Using a Headset
You can telephone hands-free if you use a headset. A headset connected to a
system telephone can be switched on and off at the telephone (see also page 109
in the the chapter entitled MenuCard “Phone Settings”). If the headset is switched
on, you can accept or end a call by pressing the headset key
K on the system
telephone, which switches off the microphone and handset on the telephone. If
the headset is switched off, the headset key operating function on the system tele-
phone is not operational.
Note: If a cordless DHSG headset is used, the headset
key
K on the system telephone is operated with the Talk
key on the headset.
Read the instructions for the headset in the user guide.
The headset can be used in combination with the handset and the other keys of
your system telephone (e. g. hands-free/open-listening key
L). The following
table gives an overview of the different operating situations. The headset must be
switched on for these operations (see page 109).
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