Zeiss HUMPHREY 720i, User Manual

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12-6 CARE AND CLEANING
REV. B 02/03 PN 51680-1 HUMPHREY FIELD ANALYZER II -
i
series
Background illumination The bulbs responsible for illuminating the bowl surface are a fluorescent type (not incan-
bulbs descent) and have a long life expectancy. If you get a bowl illumination error, restart the
instrument to see if this clears the problem. If the bowl illumination error continues, do NOT
attempt to replace the bulb. Being highly specialized, these bulbs are to be replaced only by a
Carl Zeiss Meditec Service Representative.
Patient response button Should the response button malfunction, disconnect it and replace it with a new response
button. The Patient Button is Part Number 29575.
1
Two fuses are located in the rear of the unit.
Turn off power. Unplug the power cord.
2
Using a small screwdriver, gently pry open the
cover to expose the fuse holder. Information
about the proper replacement fuses is found adjacent
to the fuse holder.
HFA II - i series HFA II - i series
(100-120V) (220-240V)
Fuse: 4A Fuse: 2A
Slo-Blow Metric, 250 V Slo-Blow Metric UL
P/N 21453 P/N 21455
Instrument fuses
12.htp 3/14/03, 2:45 PM 6