Panasonic KX-TD500 - Manual (Page 279)

Features
Programming Guide 279
5.16 Hotel
Used to assign parameters for Hotel Application.
Parameter [Charge] Margin
Default 0.0 %
Value Range 0-999.9 %
Description/Function Specifies a margin rate of telephone charge which will be appended
to the Check Out Sheet.
Reference • 3.2.6 Hotel Use Features (Hotel Application) [KX-T7436, KX-
T7235 only] (U/M)
• 1.3 System Features (F/G)
– Hotel Application
• 2.8 System Option (P/G)
– Displaying charge fee on LCD including margin