Panasonic KX-T336 System Reference Manual page 1027

3.00 AGC
Summary
Assigns tenant number which the AGC
(Automatic Gain Control) card belongs to, and
executing tone detection or not.
Assigning Items
AGC card (1 to 4)
Tenant
Tone Detect
(Password level : Three or higher)
Default
1 1 : tenant 1
2 : tenant 2
Yes Yes : tone detection is available
No : tone detection is unavailable
9-F-8
Selection of Value
Reference
3-D-2.02
4-G-5.00
4-G-6.00
5-E-1.00
6-H-1.00
6-H-2.00