Panasonic KX-NT400 Operating Instructions Manual page 196

Appendix
Issue
Sound cuts out; I can hear
myself through the
speaker.
SD Memory Cards
Issue
I cannot record to the SD
memory card.
196 Operating Instructions
Possible Cause & Solution
•
If using DSL service, a device connected between the
KX-NT400 and the telephone jack is causing interference.
→
Connect the KX-NT400 directly to the telephone jack if
possible, and/or consult your DSL service provider.
•
You are too far away from the microphone.
→
Try speaking closer to the microphone.
•
The environment is not suited to speakerphone calls.
→
Do not use the KX-NT400 within 2 m of projectors, air
conditioning devices, fans, or other audible or electrical
noise emitting devices.
→
If using the KX-NT400 in a room with windows, close the
curtains or blinds to prevent echoes.
→
Use the KX-NT400 in a quiet environment.
•
The KX-NT400 was moved during a call.
→
Do not move the KX-NT400 while on a call.
•
Objects are obstructing the microphone.
→
Do not obstruct the KX-NT400 during calls. Keep your
hands, as well as common objects such as folders, cups,
and coffee pots away from the KX-NT400 during calls.
•
The other party is using a half-duplex speakerphone.
→
If the other party is using a half-duplex speakerphone,
sound may cut out occasionally during calls. For best
performance, the other party should use a full-duplex
speakerphone.
Possible Cause & Solution
•
The SD memory card is not compatible with the KX-NT400.
→
Make sure that you are using a compatible SD memory
card. (SDHC, miniSDHC, and microSDHC Memory Cards
are not compatible with the KX-NT400.)
•
The SD memory card is not formatted or was not formatted
properly.
→
Format SD memory cards before the first use.
•
The SD memory card was not inserted properly.
→
Make sure that the SD memory card is inserted properly
by gently pushing it securely but gently toward the back of
the SD memory card slot.
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