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• If no readings have been stored, nothing will be displayed
when the READING button is pressed.
• To return to the measurement display, remove the lens
from the nose piece and either place a lens on the nose
piece again or press any button, except the READING
button.
• Previously stored readings will stay in memory until new
readings are stored , either by pushing the HOLD button in
MANUAL mode or automatically in AUTO mode.
3.2.7 DETECTING PROGRESSIVE LENSES
When the instrument is in single Vision mode and a progressive lens is
placed on the nose piece, the symbol “P” is displayed at upper left corner
of the screen.
MODE
CYL
STEP
R
SPH CYL AXIS ADD
When the AUTO PROG setting is enabled (see Section 3.4, Setup), the
MULTI-FOCAL mode will be automatically activated. See Section 3.2.2
a), Measuring progressive addition lenses.
• Use the center of the lens to detect the progressive
channel. The progressive channel may not be detected in
peripheral areas.
• A progressive lens with a low ADD power may not be
recongized as a progressive lens.
3.2 MEASURING METHODS
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