CONTENTS
I. INTRODUCTION 7
II. FIRST STEPS WITH DELTA 2 11
1. Descriptive diagrams 13
2. Instructions for use 15
a. Turn on the product 15
b. Turn off the product 15
c. Using the touch screen and keypads 15
d. Work screens 17
III. CARRY OUT AN OPTICAL TRACING 19
1. The tracing environment 21
a. Menu screen 21
b. Jobs and working modes 22
2. Shape management and storage 24
a. Menu screen 24
b. Job list 25
c. Creating a job 26
d. Working in current job mode (job A) 27
3. Optical tracing 27
4. Enter the curve and frame base 31
5. Case of a mechanical tracing 32
a. Connection with a PHI tracer 32
b. Connection with a Tess tracer 33
IV. CENTER AND BLOCK A LENS 35
1. Centering environment 37
a. Description of the centering blocking system 37
b. Menu screen 41
c. Calling up a shape 43
2. Centering a lens for a high-base frame 44
3. Centering a single vision lens 44
4. Centering a progressive lens 46
a. Centering a progressive lens using re-marked micro-engravings 47
b. Centering a lens using manufacturer markings 48
5. Centering bifocal / trifocal lenses 50
6. Centering an executive lens 51
7. Centering a mid-distance lens 53
a. Centering a lens using re-marked micro-engravings 54
b. Centering a lens using manufacturer markings 55
8. Blocking a lens 57
a. Prepare blocking 57
b. Blocking 59
V. MODIFYING THE LENS SHAPE 63
1. Menu screen 65
2. Modifying a shape 66
a. Enlarging, reducing or rotating a shape 66
b. Free-form modification 68
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