Tomey AL-2000, Operator'S Manual

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AL-2000 Biometer & Pachymeter
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1 11 1..2 2 T Trro ou ub blle essh ho oo ottiin ng g -- B Biio om me ettrryy
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Automatic measurement cannot be performed.
• Is the instrument set for manual measurement. (See section 4.1.3e)
• Is there any contamination due to the proximity of electromagnetic radiation (e.g.,
from a motor or high voltage power line)?
• Is the patient fixating properly?
• Is the tip of the biometry probe damaged?
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Manual measurement cannot be performed.
• Is the footswitch properly connected? (See section 3.2.2e)
• Is the instrument set for automatic measurement? (See section 4.1.3e)
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The measurement data are not accurate.
• Is the biometry probe securely connected? (See section 3.2.2b)
• Is the pachymetry probe connected to the terminal labeled BIO?
• Is the probe cord pulling on the chin rest slider? (See section 3.2.3a)
• Is the tip of the biometry probe damaged?
• Is the converted velocity set properly? (See section 4.1.3c)
• Is an excessive amount of corneal protective agent being used?
• Is too much pressure being applied to the cornea?
• Is the biometry probe applied to the cornea at a right angle?
• Does the waveshape appear to be correct? (See section 4.2.7)
• Is there any waveshape between the actual retinal wave and the retinal wave cur-
sor? (See section 4.2.7)
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The beep sounds when measurements are not being taken.
• Is the biometry probe immersed in water?
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A beep does not occur when a measurement is taken.
• Is the Utility Sound setting set to OFF? (See section 7.5.4)
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The waveshape is contaminated with noise.
• Is the biometry probe securely connected? (See section 3.2.2b)
• Is the power receptacle properly grounded?
• Is a source of electromagnetic radiation (such as a motor or high voltage power
line) located close to the instrument?
1 11 1..3 3 P Pa acch hyym me ettrryy ffu un nccttiio on n
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Pachymetry probe check is negative.
• Is the pachymetry probe securely connected to the terminal labeled PACHY? (See
section 3.2.2c)
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Pachymetry measurement cannot be obtained.
• Is the pachymetry probe securely connected to the terminal labeled PACHY? (See
section 3.2.2c)