Siemens Uroskop ACCESS, Troubleshooting Manual, Page: 7 / 26

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Siemens AG SPL5-330.840.01 Page 1 of 2 Uroskop ACCESS
Medical Solutions Rev. 01 03.03 CS SD 24 Endoscopy Option
Endoscopy Camera, Interface, and Monitor
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Endoscopy Camera
2
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Hospital personnel are generally responsible for connecting the endoscopy video
camera, a third-party product, to the endoscopy interface.
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Hospital personnel are responsible for connecting the communication cable from the
camera to the light source, e.g., a video cable or special connection cable, according to
the camera’s operating instructions.
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Authorized customer service personnel from the camera manufacturer are responsible
for adjusting the endoscopy camera.
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Use camera heads/endoscopes from the same manufacturer, as well as a suitable
camera intensifier.
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The image displayed at the reference monitor and the image quality depend on the
signal strength at the camera output. The signal is then sent to the video input of the TFT
monitor. The video input of the TFT monitor is set at the factory to a standard video signal
of 1 Volt Peak/Peak (700 mV image signal; 300 mV synchronizing signal).
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Losses in quality may occur because endoscopy video cameras of various
manufacturers are used. These cameras may provide a higher or lower video signal than
indicated by the standard. The video signal standard has been set at 1 Volt Peak/Peak
(700 mV image signal; 300 mV synchronizing signal).
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Endoscopes of various sizes may be used with different lenses and fields of view,
depending on the examination. Accordingly, the round field of view on the monitor may
be somewhat smaller or larger.
Endoscopy Interface
2
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A set of cables is connected to Y and C at the front of the endoscopy interface to transmit
video signals from the camera. Both inputs (S-Video, Video) provide the same functions.
The S-Video input is recommended because it provides better signal quality. If a signal is
sent to both inputs simultaneously, the S-Video signal passes through and is displayed
at the monitor.
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The built-in interface contains a 230 V supply voltage, which is connected at the back of
the device.
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Line voltage for the endoscope is provided via a cable with separate fuse protection,
preferably 230 Volts / 16 amps.
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All endoscopes need to be connected to the grounding bolts of the endoscope holder
(equipotential bonding).
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If used, the RF measurement device should be connected to a grounding bolt on the
endoscope holder.