Troubleshooting Guide
Should any problem occur, conduct the following simple tests to determine whether or not servicing is required. If the problem persists after you have conducted these tests, consult the nearest
Sony Dictation Systems dealer.
The unit does not operate.
•The AC power adaptor is not plugged into a wall outlet.
•The POWER switch is set to STANDBY.
No sound from the built-in speaker
•The SPEAKER selector is set to HAND.
•The VOLUME control is set in the MIN position.
•An earphone is plugged in.
•The cassette is not inserted properly.
The tape speed is too fast or too slow.
•The TAPE SPEED selector is set incorrectly.
•The SPEED control is set incorrectly.
•The SPEED CONTROL switch is set to ON.
The tape stops in the rewind or fast forward mode and the alarm sounds.
•The entire tape has been wound.
•The AUTO STOP switch is activated and a tape with electronic index signal recorded is used.
•If the
AUTO STOP is displayed and a tape which was recorded with a dictator other than Sony’s is used , the
Recording functions (Dict, Erase, LTR) do not activate.
•The tape is completely rewound.
•The cassette tabs have been removed.
The hand control unit or the foot control unit does not operate.
•The plug is not connected to the CONTROL UNIT connector firmly.
•The
Sound dropouts, loss of high frequency sounds, or excessive noise
• The heads are dirty. See “Maintenance”.
Erasing is unsatisfactory.
• The erase head is dirty. See “Maintenance”.
The reverse time of the auto backspace function is not correct.
•A cassette which was not recorded using a Sony Professional Dictating Machine
•The reverse time of the auto backspace function may become longer when the LTR or SEC signal is detected on the tape.
The switching time of the operation modes is delayed.
•When a cassette which was not recorded using a Sony Professional Dictating Machine
AUTO STOP does not appear even if you press the AUTO STOP button.
•Remove the AC power adaptor from the AC outlet for more than 5 seconds, and then, connect the adaptor again.
Alarm System
An alarm sounds and an indication appears on the display window in the following situations.
Alarm system | Situation | To release alarm system |
When you press a button.
mA beep is heard and blinks.
•No cassette is inserted.
•The cassette’s safety tabs have been removed.
First, release the button, then
•Insert a cassette.
•Insert a new cassette or cover the safety slot.
The unit shuts off. | • End of tape | • Rewind the tape. |
mA beep is heard and | • The tape is torn. | • Insert a new cassette. |
blinks. |
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|
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When you press a button.
mA beep is heard.
•When you put the hand control unit in the dictating mode during the FF, REW or ERASE mode.
•To start recording, put the BM- 845 in the stop mode first and then start recording.
The unit shuts off.
mA beep is heard in the AUTO STOP mode during the FF or REW mode.
•The LTR or SEC signal is detected.
Additional Information
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