Grandstream Networks GXV3240

Firmware Version 1.0.3.46
GXV3240 Administration Guide
Page 102 of 117
 +6
The default setting is “0dB”.
Handset RX Gain (dB)
It is used to set 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”.
Handset Equalizer RX
The default setting is "Default", users could also set to "Gentle" or
"Fidelity".
 Default
 Gentle
 Fidelity
The default setting is “Default”.