Grandstream Networks GXV3275 Administration Manual page 90

3.5mm Earphone RX Gain
(dB)
Headset Type
Headset Key Mode
Firmware Version 1.0.3.6

+6
The default setting is 0dB.
It is used to set the Receive Gain in 3.5mm earphone headset
channel. It can be selected from the dropdown list:

0

-6

+6
The default setting is 0dB.
It is used to set which type of head set is connected to the phone
system. It can be selected from the dropdown list:

Normal Headset

Plantronics EHS
If a normal RJ11 headset is connected, it should set to "Normal
Headset". If a Plantronics EHS headset or Jabra EHS headset is
used, it should set to "Plantronics EHS".
When headset is connected to the phone, users could use the
HEADSET button in two different modes:
1. Default Mode

When the phone is in idle, press HEADSET button to offhook
the phone and make calls by using headset. Headset icon will
display on the top of the call screen in dialing/talking status;

When there is an incoming call, press HEADSET button to
pick the call by using headset;

When there is an active call using headset, press HEADSET
button to hang up the call;

When Speaker/Handset is used in dialing/talking status, press
HEADSET button to switch to headset. Press it again to hang
up the call, or press Speaker/Handset to switch back to
previous mode.
2. Toggle Headset/Speaker

When the phone is in idle, press HEADSET button to switch
to Headset mode. The idle screen will display a Headset icon.
In this mode, if pressing Speaker button or entering digits,
headset will be used by default;

When there is an incoming call, press Answer icon on the
screen or Speaker button, headset will be used;

When there is an active call, press HEADSET button to toggle
between Headset and Speaker.
GXV3275 Administration Guide Page 88 of 103