Curtis TID899 - Manual (Page 4)

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VOICE REPORTING DATE AND TIME
CLOCK +
TO MAKE THE PHONE SPEAK OUT THE CURRENT TIME.
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VOICE REPORTING THE NEW CALL
TALK CID +
TO MAKE THE PHONE SPEAK OUT THE NEW PHONE NO., DATE AND
TIME AUTOMATICALLY.
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CHANGE THE PIN CODE FOR PHONE-LOCK FUNCTION
e.g. CHANGE THE CODE FROM PRESET VALUE 888 TO 151.
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LOCK THE PHONE / FREE THE PHONE WITH PIN CODE
e.g. LOCK THE PHONE WITH NEWLY SET CODE 151.