Grandstream Networks GXV3350 Administration Manual page 75

Audio Control
RJ9 Headset TX Gain
(dB)
Headset Type
Handset TX Gain (dB)
Handfree TX Gain (dB)
the phone LCD;
If set to "Show Opposite Screen", HDMI device displays remote video
screen in a video call while other screens display synchronization with
LCD. This setting will take effect in the next call.
Configures the Transmission Gain in RJ9 headset channel.
It can be selected from the dropdown list. The default setting is 0dB:

-24

-18

-12

-6

0

+6

+12

+18

+24
Specifies which type of headset will be 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 is used, it should set to "Plantronics EHS".
Configures the transmission gain of the handset. Default setting is "-6dB".

-4

-2

0

+2

+4

+6
This feature configures the transmission gain for handsfree mode. Default
setting is "0dB".

-16

-12

-8

-4

0

+4

+8

+12

+16
GXV3350 Administration Guide
Version 1.0.3.27
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