Panasonic KX-T336 System Reference Manual page 1274

Item
Assigning Items
Number
3 Voice Level(Transmit)*
4 Voice Level (Receive)*
5 Balance Network
* Valid when "Voice Path Type" is set to "2:4-wire."
Conditions
This command is valid only when E&M card(KX-T96184)is installed to the system.
1: -6dB
2: -3dB
3: 0
4: +3dB
(Default = 2)
Should be fixed to "1."
(Default = 1)
10-C-125
(70695)
Input Value