Specifications

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Maintenanceandcare 
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Maintenanceandcare 
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WARNING - GENERAL HAZARD 
Thedevicemayonlybeopened,putintooperation,modifiedandrepaired 
bythemanufacturer’scustomerservicetechniciansorspecialistsexpressly 
authorizedinwritingbyCarlZeissMeditec.Ifindoubt,insistonseeing 
thewrittenauthorizationorcontactCarlZeissMeditecdirectly. 
Themanufacturerisnotliablefordamagecausedbyunauthorized 
tamperingwiththedevice.Suchactionswillrenderanywarrantyclaims 
invalid. 
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Troubleshooting 
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Problem  Possible cause  Corrective measure 
43 
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Thedigital 
phoropterdoes 
notworkatall. 
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Thephoropter 
headmakesloud 
noisesduringthe 
selftest. 
Thedevicedoes 
notworkcorrectly 
afterinitializing 
thephoropter 
head. 
Thedeviceisnot 
switchedon. 
Thedeviceisnot 
connectedtothe 
supplyvoltage. 
Thephoropterhead 
isnotconnectedto 
thejunctinobox. 
Oneofthefuseshas 
blown. 
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Communicationwith 
the VISUSCREEN 
controlunitdoesnot 
work. 
Checkthepositionoftheon/off 
switch. 
Checktoensurethepowercableis 
correctlypluggedin,andthatthereis 
electricityonthesocket. 
Checktoensurethattheconnecting 
cableisconnectedproperly. 
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Checkthefuses. 
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ChecktheBluetoothstatusLED.Ifthe 
LED isgreen,restarttheentire 
structure. 
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000000-2075-933-GA-en-GB-230822 