55
Z550
Operation Manual
S
E
CT
ION 3
Ch
angi
ng th
e Sen
s
itiv
ity
Adjus
tmen
t Me
thod
SECTION 3
Setting Measurement Conditions (Expert Menu)
* The sampling time becomes longer than the values given in this table if the number of measurement points
is increased.
Item
Option/Setting range
Meaning
Priority item
(Only valid when
[Multi] is selected)
Dynamic range
This refers to the priority order to be used when
adjusting sensitivity.
The default setting at shipment, [Sampling time] is
sufficient under normal circumstances. Select [Dynamic
range] if the measurement is unstable.
The measurement time is shorter for [Sampling time].
Sampling time
(Default setting)
Upper
0 to 31
(Set to 25 by default
setting)
The appropriate sensitivity level is automatically
selected from the range from the lower limit to the
upper limit.
Only a value in the range from 0 to 25 can be specified
if [Sampling time] is set in [Priority] for [Multi].
Lower
0 to 31
(Set to 1 by default
setting)
Gradations
120 to 220
(Set to 170 by default
setting)
Set the target light reception level. The sensitivity level
where this light reception level can be achieved is
selected.
Guideline for Sampling Time
Sampling time*
Sensitivity
adjustment range
Dynamic range
100 to 640 mm (in 20 ms intervals)
0 to 31
Sampling time
100 to 260 mm (in 10 ms intervals)
0 to 25
operation.book Page 55 Monday, June 6, 2005 10:19 AM