RCA 25204 Guide De L'utilisateur page 30

Other Information
1. FlAT - No equalization adjustment is applied to the tone
2. lOW - Emphasizes the deep rich bass tones of the conversation
3. hIGh - Emphasizes the higher and sharper tones of the conversation
4. VOICE ClARITY - Optimizes your speakerphone tone and sound quality
like the self-calibration described above, the tone equalizer is only activated when
speakerphone mode is activated. If you press the Preset EQ button while using the
handset or a headset, you will hear an error beep, but there will be no difference in the
tone of the conversation.
Display Messages
The following special messages indicate the status of a message or the unit:
NO CALLS
UNKNOWN CALLER The incoming call does not have CId service or their service area
BLOCKED CALL
INCOMPLETE DATA Caller information has been interrupted or corrupted during
REPLACE BATTERY
END OF LIST
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The CId memory log is empty.
is not linked to yours. If UNKNOWN CALLER appears along with a
calling number, the name information for that number was not
available.
The caller is registered as "Private Number" and their CId
information is withheld.
transmission.
You need to replace batteries to prevent data/power loss.
You are at the beginning or the end of the CId memory log.