Panasonic KX-TG6440PK Service Manual page 64

KX-TG6440PK/KX-TGA641S/KX-TGA641T/KX-TGA740B
10.1.7. Check Handset Transmission
Cross Reference:
Signal Route (P.28)
10.1.8. Check Handset Reception
Cross Reference:
Signal Route (P.28)
Note:
When checking the RF part, Refer to Check the RF part
(P.57).
10.1.9. Check Caller ID
Cross Reference:
Telephone Line Interface (P.15)
Calling Line Identification (Caller ID)/Call Waiting Caller
ID (P.18)
Note:
• Make sure the format of the Caller ID service of the Tele-
phone company that the customer subscribes to.
• It is also recommended to confirm that the customer is really
a subscriber of the service.
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