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4. How to Use Keys
(11) Using data memory
Use the marked keys.
Press the
key.
—»
Ordinarily measure the complete corrected power
using the FAR1 key.
Press the |°
Rj] key.
—>
After the measurement of the complete corrected
power ends, measure the actual value with spectacles
on using the FAR2 key.
Press the
Press the
PNEAR
t
key.
-r»
In the same way, measure the value for near using
the NEAR1 and NEAR2 keys. Pressing lens chamber
the NEAR1 or NEAR2 key automatically places the
into the convergence state.
When another FAR or NEAR memory key is pressed, the data is stored in the
previous memory key and the LED lamp of the previous memory key lights on.
The LED lamps of the
1, |qlm 1,
keys have the following meaning:
Flicker
= Being used
= Data is stored
Note; When the OT-8A is not connected to the auto lensmeter, the
be used as memory key.
lm I) key may
40
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