Grandstream Networks GXV3380

GXV3380 Administration Guide
Version 1.0.1.19
P a g e | 74
Control
default setting is "No".
Handset TX Gain (dB)
Configures the transmission gain of the handset.
 0
 -6
 +6
Default setting is “-6dB”.
Note: Reboot is required to take effect.
Handset RX Gain (dB)
Configures the handset volume, thus controls the received audio signal.
Note: When set to +6dB, the increasing handset volume may cause
irreversible damage to the hearing, please proceed with caution.
 0
 -6
 +6
The default setting is “0dB”.
Note: Reboot is required to take effect.
Virtual Sound Card TX
gain(dB)
Configures the transmission gain of the virtual sound card, it can be
selected from the dropdown list.
 -18
 -15
 -12
 -9
 -6
 -3
 0
 +3
 +6
 +12
 +15
 +18
The default setting is 0dB.
Note: Reboot is required to take effect.
Virtual Sound Card RX
gain(dB)
Configures the virtual sound card received audio signal, it can be selected
from the dropdown list.
 -18
 -15
 -12
 -9
 -6
 -3
 0
 +3