Ametek Reichert PDM, User Manual

Page: 8 / 16

15020-101 Rev-D
Page 8
1. ON/OFF Button (MAIN)
Press to turn the instrument on and off. The
PDM turns off after one minute to ensure
longer battery life.
2. Measurement Slide Controls
Used to move the index lines that indicate
Pupillary Distance and Right/Left Nose-to-
Pupil Distance measurements.
3. Distance Dial
Rotate to measure inter-pupillary distance at
various distances, from infinity to 30 cm.
4. PD/LD button
Changes between pupil distance (PD) and
vertex distance (LD) modes.
5. LCD Screen
Measurement data is displayed on the LCD.
6. Viewfinder
Operator looks through the viewfinder to see
the index lines and the patient’s eyes.
7. Magnification Switch
Changes the view magnification to suit the
operator.
8. Patient Windows
The patient views the fixation target through
these windows.
9. Nose Support
Used to stabilize the PDM against the pa
-
tient’s nose.
10. Forehead Support
Used to stabilize the PDM against the pa
-
tient’s forehead.
11. Battery Compartments
Accepts 2 AA batteries in each side.
12. R/L Occluder lever
Used to occlude the right or left eye for mon-
ocular nose to pupil distance measurement.
Features and Functions