Panasonic KV-S6055W Service Manual page 157

(From Section 9.5)
(3) (Disp.) System Counter
4
Select a menu of Setting Item by
System Count.
pushing " " or " " key.
Confirm the value
for System Counter.
Change
Yes
the parameter of another
item ?
No
Push key once.
1
(To Section 9.5)