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Introduction
BM-850D/T 3-757-398-32UE
About This Manual
The instructions in this manual are for the BM-850D
and BM-850T. Before you start, please check your
model number.
The main unit is the BM-850 for both the BM-850D
and the BM-850T. You can use the BM-850D as a
dictator since the BM-850D is supplied with
accessories for dictating, while you can use the BM-
850T as a transcriber since the BM-850T is supplied
with accessories for transcribing. Any differences in
operation are clearly indicated in the text, for
example, “BM-850D only”.
If you buy the accessories which your model does
not have, your model works as both dictator and
transcriber.
Differences in supplied accessories
Model
BM-850D BM-850TAccessory
Hand Control Unit Supplied Not supplied
Cradle of the hand
control unit
Supplied Not supplied
Foot Control Unit Not supplied Supplied
Earphone Not supplied Supplied
Features
As a dictator (BM-850D)
• The hand control unit remotely controls the BM-
850.
• Dual electronic indexing function signals—“LTR”
(end of letter) and “SEC” (special instructions to
secretary) signals—can be recorded on a tape
during dictating, recording of telephone calls,
listening or in the stop mode.
• The REC/ERASE lamp for checking that the
recording or erasing is done.
• Alarm sound and indication on the display
window informs recording error.
• Recording of telephone calls can be performed
with the use of the optional TL-4 telephone
recording adaptor.
• With the use of the optional DE-45 or MDR-U10M
earphones, you can monitor the sound with the
desired sound level during recording.
BM-850
Dictation
Hand control
unit
As a transcriber (BM-850T)
• The foot control unit allows you to move the tape
without using your hands.
• Auto-stop function quickly accesses instructions
and documents.
• Auto backspace function with the REVERSE
TIME control makes transcribing easy by
enabling the reviewing of the last recorded words
each time listening is resumed.
• Two tape speeds (2.4 cm/sec. and 1.2 cm/sec.)
can be selected according to the user’s needs.
• Rapid erasing function with ERASE and REW
buttons.
• The Electronic “Index OFF” mode allows you to
transcribe a cassette which was not recorded
using a Sony Professional Dictating Machine.
Transcription
BM-850
Foot control unit