Philips VTR5500 Manual page 54

MENU button to enter Record type Menu, in which there are
four Record types to select: Stereo REC, Standard REC, Long
REC, and Line in REC". See the below related reference
pictures:
Stereo Record: MP3 format, high sound quality, bit rate:
128kbps.
Standard Record: MP3 format, good sound quality, bit rate:
32kbps.
Long Record: MP3 format, ordinary sound quality, bit rate:
8kbps.
Line in: MP3 format, bit rate of the recording file depends on the
above record types.
Telephone Record
Connect the telephone cable come with the device and external
telephone cable to telephone recording adapter. The operation
is similar to recording with microphone.
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