Service manual

3. DIAGNOSTIC CHECK
3.14 Service Manual BSM-4100
Sound Check
This item checks the 7 types of sounds generated by the instrument. This check
can also be used to check the alarm circuit and the QRS beep circuit. Check the
quality of sound, loudness, noise, incorrect sound, etc.
If there is no sound or distorted sound, the speaker or MAIN board will be faulty.
Procedure to Check the Sound
1. To check the sound, touch the “SOUND CHECK” key.
2. Touch a sound key, such as “ALARM SOUND1”, “ALARM SOUND2”,
“ALARM SOUND3”, “QRS BEEP (HIGH TONE)”, “QRS BEEP (LOW TONE)”,
“QRS BEEP (VARIABLE)”, “KEY CLICK” to start the check for that sound.
3. To stop the check, touch the “SOUND STOP” key.
4. To change the sound volume, touch the “↑” or “↓” key.
5. To return to the MANUAL CHECK MENU screen, touch the “RETURN” key.