User Manual

Copyright 2012 Page 25
5.1.2 D Command:
Retrieve Pre-Defined Set of Calculated Data in ASCII Format
Please see Appendix A.1 for variations in response to D command.
Issue
D[C/R]
Tag = D
Response
D s s s s s s s T a a a a t b b b b b Z f f f f H a a a a a a a N b b b b b b
b F c c c c c c c V v v v . v E s e e e z m m m m S x x x x x x x x x [L/F][C/R]
Tag
Value
Definition
D
s s s s s s s
Actual focus distance – units*
T
a a a a
Actual Aperture setting
t
b b b b b
Actual Aperture setting – conventional notation**
Z
f f f f
Zoom – EFL (mm) [0000 for Prime lenses]
H
a a a a a a a
HYPERFOCAL setting –units*
N
b b b b b b b
NEAR FOCUS distance – units*
F
c c c c c c c
FAR FOCUS distance – units*
V
v v v . v
Horizontal Field of view - degrees
E
s e e e
Entrance Pupil Position – units* [Tag: s is a + or - sign]
Z
mmmm
Normalized Zoom Setting
S
xxxxxxxxx
Lens Serial Number
Example:
Issue: D[c/r]
Response: D0000402T0195t1.4+8Z0000H0087250N0000400F0000404V006.8E+039z0000S5/100-
009[l/f][c/r]
The units* depend on which Display Units have been selected. (See commands X and Y)
Metric units will be in multiplies of 1mm and Imperial units will be in multiples of 0.1 inch. The
Actual Aperture setting is a multiple of 0.01 (typical values range from 1.xx to 22.xx) The Actual
Aperture setting - conventional notation** is intended for display purposes and follows the ring
marks using FULL STOP + n notation to indicate the nearest 1/10
th
STOP value.
5.1.3 Kd Command:
Retrieve Pre-Defined Set of Calculated Binary Data Packets
Please see Appendix A.1 for variations in response to Kd command.
Issue
Kd[C/R]
Tag = d
Response
d s s s s TT t t z z h h h h n n n n f f f f v v e e Z Z S x x x x x x x x x [L/F][C/R]