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2. Notes for Using the Instrument
1. To avoid the risk of electric shock, this equipment as power protective earth
connection must be connected
2. Ensure that the examinee has not placed his/her hand or fingers under the
chin rest. Otherwise, hand or fingers may be hurt.
3. Do not hit or drop the instrument. The impact may cause damage to the
function of this instrument. Please handle with care.
4. Only operate the instrument with the power supply indicated on the rating
plate. Otherwise, it may result in fire or electric shock.
5. Never disassemble or modify. This can cause fire or electric shock.
6. In case there is smoke, strange odor or noise during operation, disconnect the
power supply and consult the distributor.
7. For replacement parts (battery, fuse, or other parts), please contact the
distributor from whom you purchased the product.
8. The external connection device is used UL certificate device and The specified
power code, paper and fuse are used.
1. An exposure to the direct sunlight or bright indoor lights may influence the
result of the measurement. Please use the ERK 7800 in an appropriate
optometry room.
2. A sudden heating of the room in cold areas will cause condensation on the
protective glass in the monitor screen and on optical parts inside the
instrument. In this case, wait until condensation disappears before performing
measurements.
3. Keep the objective glass on the examinee side clean. If smudged, it may
cause an ERROR or inaccurate measurements.
4.
When the system is not in use for a longer period of time, disconnect the
power supply and cover with the dust cover.
5. When moving the ERK 7800, always turn the power off and disconnect the
power cable. Fix the stage by using clamping bolt and stage holding knob, and
then lift the bottom of the unit with both hands.
6. When moving the ERK 7800, do not pick up the system using the forehead
rest as a grip.
7. Moving equipment or other equipment to be connected and get the guidance
of the agency. When setting up the equipment for a flat where there is no
inclination.
8. Get worked, store and move under the following environment conditions for
