Flexible Fiber Optic Endoscopes
Contents
1. WA Welch Part 651504 2 FOR FLEXIBLE FIBER OPTIC END PE FX 100 Flexible Sigmoidoscope and RL 100 Rhinolaryngoscope Operating Instructions Wa Welch Allyn SPECIFICATIONS For complete specifications please refer to of the operating instruc tions provided with the Camera and the Monitor PRECAUTIONS Do not expose the camera or camera control unit to rain or moisture or try to operate it in wet areas Do take immediate action if ever the camera or camera control unit do become wet Turn power off unplug and contact Welch Allyn Customer Service 1 800 535 6663 Moisture can damage the camera and camera control unit and also create the danger of electrical shock Never crush or pinch the camera cable Do not bend the camera cable into a curve with a radius smaller than 1 inch Never face the camera toward the sun even when the camera is off Use caution when operating the camera in the vicinity of spot lights other bright lights or light reflecting objects Caution Connecting and disconnecting camera cable to from the camera control unit must be done with the Power switch in the OFF position OPERATING CONTROLS AND FUNCTIONS Refer to Operating Instructions for more complete details WHITE BALANCE CONTROL SELECTION SWITCH Prior to every procedure the camera endoscope and light source system should be white balanced to assure accurate tissue color To automatically adjust the white balance point the d2. istal tip of the endoscope with camera attached to the instrument eyepiece and instrument coupled to the light box with lamp illuminated at a white object such as a piece of paper or a white wall while holding the distal tip of the instrument one inch from the surface Follow the procedure in the camera s operating instructions regard ing Auto White Balance Control AWC and White Balance Setting Welch Allyn recommends that the camera operate in the AWC mode CAMERA CABLE CONNECTOR This connector is found on the front panel of the Camera Control Unit and is used for connection of the camera Warning Connecting and disconnecting the camera cable must be done after turning OFF the power ON OFF switch VIDEO OUT HD GEN LOCK VD TRANSFORMER CONNECTOR BACK VIEW VIDEO OUTPUT CONNECTOR Connector s marked VIDEO OUT will provide a standard com posite video signal This output should be used when coupling the camera control unit to a VTR to record a procedure The connec tor type is BNC SUPER VHS OUTPUT CONNECTOR Connector marked S VIDEO OUT will provide the luminance Y and Chroma C for S VHS VTR or Monitor Resolution is higher using this output Thus it is recommended that the live image be viewed using S VHS if possible TRANSFORMER CONNECTOR TERMINALS Screw type connectors for 12 Volt DC transformer to power camera control unit CAUTION Install transformer connectors to Camera Control Unit p
3. l cable with a BNC connector to the VIDEO OUT receptacle on the back of the camera control unit Connect the other end of the cable to the VIDEO IN receptacle on the back of the VTR Connect another coaxial cable to the VIDEO OUT receptacle on the back of the VTR Connect the remaining end of the second cable to the LINE A VIDEO IN receptacle on the back of the monitor To view a recorded image on the monitor make sure that the INPUT A button on the front control panel of the monitor is depressed Note This method of connection will allow the user to record a procedure and play it back on the monitor without changing the connections It is recommended that the live procedure be viewed using the S VHS video mode and that only video tape be viewed using normal TV video MONITOR BACK Service For service ship to WA Welch Allyn Welch Allyn Inc 4341 State Street Road Skaneateles Falls NY 13153 0220 Printed in USA Attention Repair Department Part No 651504 2
4. le to the camera by aligning the location groove in the cable connector with the raised pin in the camera connector Push together and tighten retaining collar securely CAMERA ja FE a Pa aA 1 gt gt 9 TLD COUPLING THE CAMERA TO AN ENDOSCOPE Grasp the two tabs on the outside ring of the eyepiece coupler with your thumb and index finger and depress This will retract the eyepiece retainers on the coupling side of the eyepiece coupler Insert the endoscope eyepiece into the coupler as far as possible and release the tabs The camera coupler should be rigidly mounted to the eyepiece CONNECTING THE CAMERA CONTROL UNIT TO A MONITOR S VHS VIDEO Locate the S VHS video cable With the alignment groove of the cable connector identified with an arrow on the connector posi tioned 90 degrees to the floor push the connector into the recep tacle on the back of the camera control unit marked S VIDEO OUT Align the remaining end in the same manner and connect it to the receptacle on back of the monitor marked Y C INPUT VIDEO The control unit is now connected to the monitor To view an image on the monitor make sure that the INPUT Y C VTR button on the front control panel of the monitor is depressed OC eae f A BACK OF CAMERA CONTROL BOX BACK OF MONITOR CONNECTING THE CAMERA CONTROL UNIT TO A VTR COMPOSITE VIDEO NTSC Connect one end of a coaxia
5. nput and output of composite NTSC video These connectors will be used for input out of a standard VTR for display of recorded images VIDEO INPUT LINE C 4 pin mini DIN type coupling for connecting Y C S VHS video This connector is used to couple high resolution Y C video directly from the camera control unit to the monitor PREPARATION ASSEMBLING CAMERA C MOUNT ADAPTOR AND EYEPIECE COUPLER Remove unscrew the front cap of the camera head and confirm that the surface of the optical filter of the camera is clean If the surface of the optical filter is dirty or there is dust on it clean with the lens cleaning tissue paper provided L JMS COUPLING CAMERA ADAPTOR EYEPIECE COUPLER Attach the endoscope eyepiece coupler to the C mount adaptor by rotating the adaptor clockwise Rotate the focus lock ring on the camera fully clockwise Then mount the coupler and C mount adaptor to the camera by rotating the assembly clockwise Continue until no thread is exposed COUPLING CAMERA ADAPTOR EYEPIECE TO UNIT CONTROL Locate the male end of the camera cable with pins Position the raised alignment locator on the end of the camera cable with the alignment groove located at 1 00 on the camera cable connector on the control unit Gently push connector into the camera cable connector on the control unit until it snaps into place Tighten the retaining collar until snug Couple the remaining end of the camera cab
6. rior to plugging in the transformer Failure to do this can result in damage to the transformer Connectors are labeled positive and negative Make sure that the correct lead from the transformer is connected to the same terminal before powering up the camera control unit MONITOR FRONT VIEW VIDEO INPUT LINES A AND B Input lines A and B correspond to the composite NTSC inputs on the back of the monitor Depending upon which video input line the VTR is coupled to on the back of the monitor the corresponding line button on the front of the monitor must be depressed to view a recorded image For example if the coaxial cable out of the VTR is coupled to the VIDEO IN connector under LINE A then the Line A input button must be depressed to view an image VIDEO INPUT LINE C Y C amp VTR This video input will display S VHS video In endoscopic applica tions it is this button that will be depressed to view a live image This is desirable due to the higher resolution that S VHS video will provide If you have a VTR that is S VHS compatible then this button will always be depressed when viewing a live or recorded image In this case the video connections will run from the camera control unit to the VTR to the Monitor BACK VIEW VIDEO INPUT LINES A AND B BNC Type couplings male for connecting coaxial video cable for i
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