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SO-5800 Ophthalmic Microscope

User Manual

Page 12 of 31

Issue number 2.0

Reference SO-5800-UM-2

SAFETY MECHANISM

The SO-5800 is fitted with a safety stop mechanism that enables the user to pre-
set a particular height below which the pantograph arm will not move. Where
the knob position is set closest to the horizontal arm end, there is no impediment
to movement. When the knob is locked closest to the microscope head end,
there will be almost no movement allowed in the pantograph arm below its rest
(UP) position. Locations in between will allow a limited rage of movement.
Note that the knob MUST be locked in position for the safety mechanism to
take effect.

UNLOCK
KNOB

SLIDE INTO
POSITION

LOCK
KNOB

PUSH KNOB IN

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Summary of Contents for SO-5800

Page 1: ...SCAN OPTICS SO 5800 MICROSCOPE USER MANUAL ...

Page 2: ...izontal arm 9 Pantograph arm 10 Gas spring adjustment 11 Safety mechanism 12 X Y unit 13 Microscope head assembly 15 Power system 16 Lighting system 16 Focus mechanism 17 Zoom mechanism 17 Viewing system 17 Tilt adjustment 19 Handles 19 Video system 20 Assistant microscope 22 Foot control 26 ROUTINE MAINTENANCE Changing the lamp 27 Changing mould protection pellets 28 Adjusting focus friction 30 ...

Page 3: ...conditions of 60 95 relative humidity and 10 40 C are recommended for this product No parts or accessories supplied with this microscope are supplied in a sterile condition Apart from those instructions within this manual there are no user serviceable parts in this microscope Scan Optics will retain the discretion to advise whether any repairs may be taken out by external qualified technical perso...

Page 4: ...nce SO 5800 UM 2 MICROSCOPE FEATURES Please refer to the diagram below to help you identify the main assemblies of your SO 5800 microscope MICROSCOPE HEAD ASSEMBLY FLOOR STAND MONITOR FOOT CONTROL X Y POSITIONING UNIT POWER SUPPLY PANTOGRAPH ARM HORIZONTAL ARM LOWER PANEL PILLAR ...

Page 5: ...st the horizontal arm and lock the arms to minimise the risk of accidental damage to the microscope head Depress the latches marked on each of the legs in the diagram above to unlock the wheels Then grip the handles on the side of the main pillar and move the floor stand as desired To lock the floor stand depress the large black knobs as shown on the diagram Note that no twisting of the knobs is n...

Page 6: ...functions LOWER PANEL The foot control and IEC mains plug should be connected as shown in the diagram below Note that the retaining clip should be used to avoid accidental removal of the mains plug When attaching the foot control cable align the square feature on the plug with the recess on the panel socket Insert the plug in the socket and rotate the housing clock wise to secure the connection FO...

Page 7: ...ow microscope functions to be activated Press the lamp button k once the LED indicator will come on to turn the lamp on The lamp intensity may be controlled in five discrete steps by depressing the p or q buttons as appropriate while the intensity setting will be displayed by the indicator LEDs If the standby button is depressed its LED 7A CIRCUIT BREAKER 3A CIRCUIT BREAKER X Y SPEED CONTROL X Y I...

Page 8: ...s clock wise to increase speed or counter clock wise to decrease speed Note that at extremely low speed settings movement may be imperceptibly slow or completely absent The X Y indicator will light up constantly when the foot control is used to position the microscope laterally The indicator will flash when the return to centre function has been activated from the X Y unit The Focus zoom indicator...

Page 9: ...orizontal arm to be fixed in position To lock the arm rotate the knob in clock wise fashion To connect the microscope power cable to the socket marked MICROSCOPE POWER OUT align the square feature on the plug with the recess on the panel socket Insert the plug in the socket and rotate the housing clock wise to secure the connection A knob marked ELBOW FRICTION is provided beneath the end of the ho...

Page 10: ...the microscope head The pantograph arm includes features that enable the user to achieve the required type and feel of microscope movement To lock the arm in a particular vertical position simply rotate the ARM LOCK knob clock wise To lock the rotational movement of the X Y unit and microscope head below the end of the pantograph arm rotate the ROTATION LOCK knob clock wise ARM LOCK SAFETY SET KNO...

Page 11: ...unit and microscope head at the end of the arm By moving the end position of the gas spring the amount of lifting force can be varied depending on the preference of the user or to suit the weight of additional accessories which may be placed on the microscope head assembly TO INCREASE LIFTING FORCE ROTATE KNOB CLOCK WISE TO MOVE END POSITION DOWN TO DECREASE LIFTING FORCE ROTATE KNOB COUNTER CLOCK...

Page 12: ...ot move Where the knob position is set closest to the horizontal arm end there is no impediment to movement When the knob is locked closest to the microscope head end there will be almost no movement allowed in the pantograph arm below its rest UP position Locations in between will allow a limited rage of movement Note that the knob MUST be locked in position for the safety mechanism to take effec...

Page 13: ...rward move the joystick forward and so on Movement combinations may also be achieved by moving the joystick diagonally Speed of X Y movement is controlled using the knob on the main power supply panel The X Y unit also acts as an interface for distributing power to the microscope head and video camera as well as the X Y unit itself These connections are labelled on the rear panel of the X Y unit A...

Page 14: ...ing through the sensor window by the user s hand or another object The sensitivity of this detector may be adjusted by rotating the knob on the rear panel of the X Y unit The ideal setting is such that the user need not touch the window but the sensitivity is not so fine as to cause nuisance activation This sensitivity may need adjustment if the ambient lighting conditions where the microscope is ...

Page 15: ...amped at each end The head assembly includes viewing optics light source and various fittings and mechanisms to aid the user in positioning the microscope MICROSCOPE HEAD ASSEMBLY LEFT SIDE VIEW SUSPENSION BRACKET LAMP HOUSING TILT ADJUSTMENT KNOB MANUAL FOCUS KNOB LOCKING PIN SPARE LAMP MODULE VIDEO CAMERA ASSEMBLY MANUAL ZOOM KNOB ADJUSTABLE EYEPIECE FIXED EYEPIECE GUIDE HANDLE LIGHT DELIVERY PR...

Page 16: ...mounting a 50W halogen lamp which delivers light to the viewing field through a series of lenses filters and a prism The lamp is supplied fixed in a holder which is then mounted in a module this ensures that the amount of light delivered is maximised The cooling fan enables the lamp to be run at maximum intensity if desired without heating the housing to extreme levels The prism is positioned to o...

Page 17: ... to drive the zoom simultaneously using the foot control and the manual knob This will strip the drive gears When the standard 0 62x objective lens is used with this microscope the range of magnification controlled by the zoom mechanism is between 4x and 25x VIEWING SYSTEM The optical head provides the means for viewing the subject matter under magnification There are adjustments available to suit...

Page 18: ...pe is not in use Simply remove the eyepieces and replace them in their protective wrapping and insert the eyepiece caps in their place The working distance is fixed at 180 millimetres where the standard 0 62x objective is supplied The working distance can only be adjusted by swapping the objective lens to that of another magnification MANUAL PD ADJUSTMENT REFRACTIVE ERROR ADJUSTMENT ...

Page 19: ...e which enable the user to manoeuvre the microscope into position within the limitations of the settings of the various locking knobs The front guide handle may be removed if desired by unscrewing the socket head cap screw that fixes it to the front of the microscope head mounting bracket The side handles may be removed first by removing the locking pins then sliding the handles out It is necessar...

Page 20: ...gs available for camera and monitor please refer to the separate instructional leaflets provided which contain all relevant information To connect the video system first connect the video signal cable between the camera and the monitor First pass the cable through the clip on the side of the X Y unit Rotate the right angled connector at the camera end to ensure that the cable does not interfere wi...

Page 21: ...two screws on the clamping bracket The monitor may also be slid along the arm or swung from one side to the other simply by rotating the mounting arm VIDEO SIGNAL CABLE WITH BNC TO RCA ADAPTER CONNECTS TO MONITOR CAMERA POWER CABLE CONNECTS TO X Y UNIT ADJUST THESE TWO SCREWS TO SET TILT FRICTION OR TO SLIDE MONITOR ALONG THE ARM VIDEO SIGNAL CABLE CONNECTS TO CAMERA MONITOR POWER CABLE MOUNTING A...

Page 22: ...s knobs Pupillary distance adjustment is performed manually but the eyepieces are not geared together For the best user comfort ensure that the eyepieces are equidistant from the central axis of the main optical path The adjustable eyepiece may be used to compensate for any refractive error difference between the left and right eye of the user First rotate the adjustable left eyepiece so that ther...

Page 23: ...e head tilt the head to the appropriate angle and lock it again Small sideways adjustments of the visual field can be achieved by loosening the microscope lock knob and rotating the microscope head about its mounting axis When the fields are aligned correctly tighten the microscope lock knob once again The assistant microscope may be configured to mount on either the left or right side of the main...

Page 24: ... Issue number 2 0 Reference SO 5800 UM 2 UNSCREW THE MICROSCOPE LOCK KNOB TIGHTEN THE MICROSCOPE LOCK KNOB AGAIN LIFT THE MICROSCOPE ASSEMBLY CLEAR OF THE MICROSCOPE MOUNT ROTATE THE MICROSCOPE AROUND THE MOUNTING SHAFT UNTIL IT FACES THE OPPOSITE DIRECTION ...

Page 25: ...thalmic Microscope User Manual Page 25 of 31 Issue number 2 0 Reference SO 5800 UM 2 UNSCREW THE ANGLE LOCK KNOB SO THAT THE SAFETY PINS CAN BE DISENGAGED ROTATE THE MOUNTING ARM TIGHTEN THE ANGLE LOCK KNOB AGAIN ...

Page 26: ...er to focus and zoom the main microscope by depressing foot switches and to move the microscope laterally by foot movement of a joystick Note that on some models the cable exit is from the other end of the foot control in all other respects the functions are the same ZOOM IN PEDAL FOCUS DOWN PEDAL ZOOM OUT PEDAL FOCUS UP PEDAL X Y CONTROL JOYSTICK ...

Page 27: ...s located behind the lower suspension bracket clamp After the replacement has been made the lamp module that has been replaced should be left to cool before replacing the actual lamp Allow at least ten minutes for this to occur and if possible use protective cotton gloves for the procedure After the lamp has been replaced the lamp module should then be replaced as a new quick change spare in the h...

Page 28: ...ad This will expose a large Philips headed screw which fixes the zoom drive assembly to the microscope mounting bracket by means of a cylindrical spacer located behind the zoom drive plate Loosen this screw and the grubscrew located directly opposite on the left side of the microscope head This will allow the entire microscope head to be lifted clear of its mounting bracket Place the microscope he...

Page 29: ...croscope User Manual Page 29 of 31 Issue number 2 0 Reference SO 5800 UM 2 ZOOM COVER BACK COVER MICROSCOPE MOUNTING BRACKET ZOOM ASSEMBLY DETAIL OMITTED MOUNTING SCREW LOCATION GRUBSCREW LOCATION REPLACE ANTI MOULD PELLET ...

Page 30: ...80 degrees apart through the manual focus knob on the other side Insert a 2mm socket key to loosen the grubscrews in each hole While gripping the large white gear steady in the focus drive housing to ensure the gears do not strip tighten the knob to increase friction or loosen it to decrease friction as necessary When the appropriate setting has been found tighten the grubscrews again and replace ...

Page 31: ...halmic Microscope User Manual Page 31 of 31 Issue number 2 0 Reference SO 5800 UM 2 FOCUS DRIVE COVER GRIP LARGE DRIVE GEAR LOOSEN 2 x GRUB SCREWS RE TIGHTEN AFTER KNOB ADJUSTED TIGHTEN OR LOOSEN KNOB AS NECESSARY ...

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