4 DESCRIPTION OF CONTROLS
4-26
EM210F-1
②
Auto HT and Emission
Used for automatic high voltage generation and electron beam generation.
③
Quick Emission Selector (QES)
Not used in this instrument.
④
Auto Wobbler
Used for electron gun alignment.
⑤
HT
Used for accelerating voltage setting.
◄
and
►
buttons vary the voltage and the
amount of the voltage change per step can be set in the Step box.
⑥
Setting
Displays the FEG and QES Setting screen. The screen is used to set the FEG
condition.
⑦
Detail
Giving a check mark in this box displays the maintenance items under the screen.
4.4.6c Operation
screen
l
Standard screen
①
④
③
②
⑤
⑧
⑦
⑩
⑥
⑪
⑫
Fig. 4.27 Operation screen (standard)
①
Standard
Displays the Standard screen.
②
Mode
Used to select an illumination mode (TEM, EDS, NBD or CBD).
③
Spot Size
Varies the spot size value.