Place the VS-V on a table, desk, or counter that provides sufficient
space for the instrument, control unit and record forms. A desk/
table height of 26-30 inches is recommended.
Position the instrument near the edge of the desk or counter. If
subjects are to be tested while seated, be sure sufficient knee room
is provided. Chairs for both the examiner and test subject should be
straight-backed.
Equipment readiness
Before testing, check the VS-V to ensure it is in proper working
condition:
• Is the unit transformer connected to a standard 220/240 volt
a.c. outlet?
• Do both target illumination lamps light when the power
switch is turned on? (Note the optical sensor device can be
turned on and off via the hand control or software. If turned
on, the lamps will light only when an individual's head is
within the viewing area or when the sensor light beam is
interrupted.)
• Do the horizontal field target lamps illuminate as the appropriate
buttons on the control panel are depressed?
• Does the corresponding target illumination lamp go out
when each of the "Occlude" buttons is pressed?
• Are the viewing lenses calibrated with the Elliptech SoftTouch
hand control? Lens operation can be checked by