Product Manual

• Periodically check that eartips are tightly secured to binaurals.

• Do NOT immerse stethoscope in any liquid or subject to steam sterilization.

• Chestpieces and diaphragms can be wiped down with 70% isopropyl alcohol for

cleaning purposes.

It is unnecessary to disassemble the unit for cleaning. Use a slightly moistened cotton cloth with al-

cohol to clean chestpiece diaphragm, binaurals, and eartips. Be careful to prevent alcohol seepage

nder the diaphragm. It may cause significant damage to the microphone and electronic circuits.

Caution - Never immerse instrument in any liquid. Do not apply excessive force to the di-

aphragm. Your Adscope

658 electronic stethoscope has a replaceable diaphragm with a

piezopolymer film contact microphone positioned behind it. The chestpiece is not user-serviceable

and should never be disassembled, except to replace the diaphragm.

To order any replacement parts, contact our Customer Service department at 1-800-232-2670.

Troubleshooting Possible Problems

Problem Solution

Battery will not charge

Poor sound quality, intermittent

sound amplification, or

no sound amplification

Damaged/worn chestpiece

diaphragm

Low battery icon is displaying

Check battery connection. If battery is properly connected and will not

charge, battery must be replaced. Contact your local ADC dealer.

Contact your local ADC dealer for warranty service on your stethoscope.

Charge battery. If icon displays frequently despite regular charges contact

your local ADC dealer for replacement battery.

Troubleshooting Solutions

ITEM CONTENT

Sensor: Piezoelectric sound transducer activated by polycarbonate diaphragm

Voltage: 3.7v Li-polymer

Power Dissipation: 0.115VA (3.7v * 31mA)

Microphone 5Hz - 5,000Hz

Filter Range: Bell Mode 15Hz - 200Hz

Diaphragm Mode 100Hz - 500Hz

Battery Life 20 hours under continuous power on

Charging Time 70 minutes

Amplifier Amplification range 6dB - 18dB

Control Volume

ontrol Volume Digital volume (8 step), 3dB/step

Filter Range

Specifications