Features 
Standard Cassette System uses easy to obtain, easy
to store standard cassettes for recording and playback
convenience 
compatible with 2 speed recorders enables the user
to transcribe cassette tapes recorded at either the
standard 4.8 cm/sec speed or half speed 2.4 cm/sec 
compatible with stereo and mono cassette
recorders allows cassette tapes recorded in either the
monaural format or stereo format to be transcribed 
Telephone Record Capability allows for direct
recording of telephone conversations 
3-Digit Tape Counter gives a visible indication of tape
elapsed for rapid access when editing and shows
amount of dictation on the tape 
Fully Adjustable Automatic Backspace begins
playback prior to where it last stopped, preventing lost
dictation 
Built-In Erase on Rewind may be optionally activated
to automatically erase recordings while rewinding the
cassette 
Cassette Window enables the user to view and
confirm tape movement 
Auto Motor Shut-Off after approximately 3 minutes in
Stop mode 
3-Function Foot Control lets the transcriber change
mode from Play to rewind to Fast Forward without
removing hands from the keyboard 
Speed/Tone/Volume Controls are individual
slider-type, front mounted, and allow easy one-finger
adjustment for transcribing convenience 
stops at electronic signals on the tape at selected
points to aid in locating particular recordings 
End of Tape and No-Cassette Alarms signal when
the tape end is reached, or if there is no cassette
in the compartment 
Auto Stop stops the tape in Fast Forward and
Rewind modes when End-of-Document signals are
reached 
Built-In Playback Speaker is useful when one or
more persons wish to listen to the recording
without the need to wear earphones 
Specifications 
Recording System 4-Track 2-Channel 
Fast Winding Time Approx. 2 min 20 sec with
DC-90 cassette
Frequency response 200-8000Hz
Speaker 2 1/4" (57mm) Dia. 
Power Output 350mW at 10% THD 
Power Requirements 120V AC, 60Hz 
Current Drain 120mA 
Supplied Accessories 
Foot Pedal 
Head Set 
AC Adaptor 
Weight 2 lbs 11 oz 
Dimensions 2 7/8" x 7 7/8" x 9 3/4"
(70 x 200 x 245mm) 
All BM87LP Sony Transcribers come 2
Speed from Martel at no extra charge! 
Often a Transcriptions will get a tape that
has 2 Speed dictation on it. Only Martel
offers this a 2 channel modification as an
convience for its customer, so they can
complete their work without having to buy
an additional transcriber.