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Input / Output
Power input:
Mic inputs impedance:
Mic inputs connection:
Line input impedance:
Line in/out connections:
Patient response input:
Left / Right / Bone outputs:
Monitor output:
Insert output:
USB:
Maximum voltage at any output: 12V peak.
8 Routine Maintenance
8.1 Audiometer maintenance
The Siemens SD 270 audiometer is a precision instrument. Handle it
carefully in order to ensure its continued accuracy and service. When
cleaning the instrument, first disconnect it from the mains supply. Use a
soft cloth and mild detergent to clean the instrument panel when required.
Refer to ISO 8253-1 for additional guidance.
8.2 Transducer maintenance
Before use check the transducer cables and connectors for signs of wear
and/or damage. If you find any, please replace the item immediately by
contacting Siemens or your Siemens distributor, requesting the relevant
part number (see Section 12).
Handle the audiometric headset, bone vibrator headset and other
accessories with care. For parts that are in direct contact with the patient it
is recommended that replacement parts are used or the parts are
subjected to a standard disinfecting procedure between patients.
This includes physically cleaning and use of a recognised disinfectant.
The specific manufacturer's instructions should be followed for use of this
disinfecting agent to provide an appropriated level of cleanliness.
Important note: During the cleaning process do not allow moisture to
enter the earphone, insert masker, monitor or microphone grills etc. For
specific accessories refer to the sections below.
Page 22
2.5mm barrel-type socket.
2500 Ohms
Mono 3.5mm Jack socket
6800 Ohms
Stereo 3.5mm Jack Sockets
6.3mm Jack socket
6.3mm Jack socket
Mono 3.5mm Jack socket
Mono 3.5mm Jack socket
Type B socket
D00073611 Siemens SD 270 Service Manual
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