Panasonic KX-TG2226B Service Manual page 35

How to change the Auto Disconnect activation (time)
Some Telephone Company lines (fiber or cable) ON Hook and OFF Hook voltages are lower than
conventional lines, which may cause a malfunction of Auto Disconnect detection.To solve this
problem, try changing the Auto Disconnect activation (time) through the procedures below.
Auto Disconnect activation (time)
Enable 2 sec [default]
4 sec
Disable*
*If the "Disable" is selected, even if the parallel-connected telephone is OFF HOOK, the line isn't
disconnected.
Cross Reference:
Telephone Line Interface
Auto Disconnect Circuit
Parallel Connection Detect Circuit
SIGNAL ROUTE ()
Note:
"STOP"
"STOP"
"STOP"
()
()
()
PROCEDURE
"REPEAT"+"SP-PHONE"simultaneously
"REPEAT"+"UP" simultaneously
"REPEAT"+"DOWN" simultaneously
35
Status
Stand-by