５
MEASUREMENT OPERATION
TMPM5200-2
5-225
•
Autose
Whe
gnal, the offset voltage is
input voltage at the initial position becomes zero
volt
that
mes 0 V. Usually, check the Autoset
chec
t
n the Autoset check box is checked for source si
automatically applied so that the
s. If the voltage of the source signal is positive (+), an offset voltage is added so
the voltage at that positive position beco
k box for use.
+10 V
Display area
Auto set
0
Offset
Display area
+10 V
−
10 V
0
Bec
upper-left corner of the image) attains a
If the initial position is extremely high or low, or if the specimen is tilted, the image
could become white or black during scanning. In such a case, set Offset/V manu-
ally.
−
10 V
ause of this, the display area starting from the initial position (usually, the
maximum.
Initial position
Offset
The image becomes too dark
−
10 V
If the Enable Pre-Scan check box is checked, and the Autoset check box is
checked for the source signal, the software will automatically adjust the offset
so as to obtain the optimum gain from the result of Pre-Scan.
Even if
Display area
+
10 V
0
the Enable Pre-Scan check box is not checked, if the Autoset check box
is checked for the source signal, the software will automatically adjust the off-
set so as to obtain the optimum gain from the result of Pre-Scan.
