Sony BM-21 Operating Instructions page 2

Preparing a Power Source
Choose one of the following three power sources.
Dry Batteries
1 Open the battery compartment lid.
2 Insert two size AA (R6) batteries (not supplied) with correct
polarity and close the lid. :
When to replace the batteries
Replace both batteries with new ones when the DICT/BATT
(dictation /battery) indicator becomes faint and the sound is
distorted.
For BM-23 only ;
You can check the approximate battery condition with the battery
indication (@28) displayed while using the dictator.
Battery life (Approx. hours) :
Sony alkaline AM3(N)
Dictating 12
Sony SUM-3(NS)
3 :
¢ When replacing the batteries, all the indications in the LCD display light
up in a moment and the tape counter will return to "000".
© If the unit is not to be used for a long period of time or is to be operated
extensively with other power sources, remove the batteries to avoid
damage caused by battery leakage and corrosion..
House Current
DCIN 3V
Use the AC-E30M power adaptor (not supplied). First connect the
adaptor to the DC IN 3V jack, then to a wall outlet.
ooo Polarity of the plug
i
Car Battery
Use the DCC-E130L car battery cord (not supplied).
Dictating
MIC
DICT/BATT
Microphone
E-INDEX
Function lever
MIC SENS
VOR:
EJECT -
LOCK
Before operating, make sure the following points.
¢ The LOCK switch is set to the opposite direction of the arrow.
° Nothing is connected to the MIC (microphone) jack.
* Set the VOR (voice operated recording) switch to ON, if necessary.
1 Press EJECT to open the cassette compartment lid.
2 Insert a cassette with the side to start dictating facing the lid.
3 BM-23 only: Set the TAPE SPEED selector to the desired tape
speed.
Recording time* Set to
60 minutes 48 cm**
120 minutes * 2.4m
* Using both sides of a DC-60 cassette. : oa
"* For optimum sound (recommended for normal use), set to 4.8 cm.
4 Set the MIC SENS (microphone sensitivity) selector tothe
desired position.
Use for Set to
DICT (dictation)
normal use
recording a conference or CONF (conference)
telephone conversation
S Slide up the function lever to DICT (dictation).
6 Speak into the microphone.
The DICT/BATT indicator flashes during recording.
7 Tostop dictating, slide down the function lever to STOP.
To eject a cassette, press EJECT.
Note
Do not use a CrO2 (TYPE I ) or metal (TYPE IV ) tape, otherwise the sound
may be distorted when you play back the tape, or the previous recording
may not be erased completely.