4 DESCRIPTION OF CONTROLS
EM210F-1
4-21
4.4.4b Center
main
screen
①
③
②
④
Fig. 4.22 Center main screen
①
MAG
Shows the present magnification.
②
Defocus
Displays the deference between the reference focus value and the present focus
value in mm.
③
Cir. Dens.
Shows the current density on the fluorescent screen in pA/cm
2
.
④
Exp. Time
Shows the exposure time and exposure mode (M or A). When the manual exposure
mode is selected “M” appears at the end of this line, and the exposure time can be
varied with the EXP TIME (R1-
⑧
) (0.1 to 900.0 and B). When the automatic
exposure mode is selected, “A” appears.
4.4.4c
Right main screen
①
②
④
③
⑤
Fig. 4.23 Right main screen
①
X
Shows the present specimen position in the X direction.
②
Y
Shows the present specimen position in the Y direction.
③
Z
Shows the present specimen position in the Z direction.
④
TX
Shows the present specimen tilt angle in the X direction.
⑤
TY
Shows the present specimen position in the Y direction when a double tilt specimen
holder is used.