42
KX-TG4771B/KX-TG4772B/KX-TG4773B/KX-TGA470B
10.1.9. Check Portable Transmission
Cross Reference:
Signal Route
(P.21)
10.1.10. Check Portable Reception
Cross Reference:
Signal Route
(P.21)
Note:
When checking the RF part, Refer to
Check the RF part
(P.37).
10.1.11. Check Caller ID
Cross Reference:
Telephone Line Interface
(P.13)
Calling Line Identification (Caller ID)/Call Waiting Caller
ID
(P.14)
Note:
• Make sure the format of the Caller ID service of the
Telephone company that the customer subscribes to.
• It is also recommended to confirm that the customer is really
a subscriber of the service.
10.1.12. Check SP-phone Transmission
Cross Reference:
Signal Route
(P.21)
10.1.13. Check SP-phone Reception
Cross Reference:
Signal Route
(P.21)
10.1.14. Check Corded Handset
Transmission
Cross Reference:
Signal Route
(P.21)
10.1.15. Check Corded Handset Reception
Cross Reference:
Signal Route
(P.21)
Check MIC of portable.
Check portable Tx in
Signal Route
.
Check speaker of portable.
Check portable Rx in
Signal Route
.
YE
S
Did
b
ell ring?
(Me
ssa
ge indic
a
tor
b
link
s
)
Check
Callin
g
Line Identification (Caller ID)/
Call Waitin
g
Caller ID.
Check
b
ell
s
ign
a
l detection in
Telephone Line Interface
.
BASE UNIT
NO
OK
Check MIC of Base Unit.
Check SP-phone TX (Base Unit) in
Signal Route.
OK
Check Speaker of Base Unit.
Check SP-phone RX (Base Unit) in
Signal Route.
OK
Check (Corded) Handset.
Check (Corded) Handset TX in
Signal Route.
OK
Check (Corded) Handset.
Check (Corded) Handset RX in
Signal Route.
