Operation of the device
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91
Measurement submenu
The
Measurement
submenu consists of only one detail page (Fig. 61) and
does not contain further tabs on the second navigation level.
Table 6 explains the user setting options in the
Measurement
submenu.
Fig. 61
Settings in the Measurement submenu
Table 6
Parameters in the Measurement submenu
Parameter
Description
Selection and input options
Measurement parameters
Mode at startup
Sets the measurement mode which shall be
displayed on startup of the device
<Last mode>*
Refraction
Pupil
Image
Contact lens
Trigger mode
Select manual or automatic measurement
triggering.
On manual triggering the user must release
measurement by pressing the measurement
button on the joystick.
Manual*
Automatic
Number of shots in
manual measurement
release mode
Number of shots which the device releases on
manual measurement release mode.
1 shot*
3 shots
5 shots
7 shots
Number of shots in
automatic measurement
release mode
Number of shots which the device releases on
automatic measurement release mode.
1 shot*
3 shots
5 shots
7 shots
Sphere shift
Value for the correction of systematic spherical
deviations
Selection range from -2.0 D to
+2.0 D, in steps of 0.125 D,
0.00*
* indicates default values
Содержание VISUREF 150
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