4 DESCRIPTION OF CONTROLS
4-12
EM210F-1
4.2.6a
Control panel P1
This is a power supply for the 20 L ion pump (used for the electron gun chamber
evacuation).
②
③
④
⑤
①
Fig. 4.9 Control panel P1, P2
①
Meter
Displays the value selected with the METER RANGE knob (P1-
⑤
).
②
POWER lamp
Indicates when lit, that the POWER switch (P1-
③
) is at the on position.
③
POWER switch
Setting this to the upper position turns on this power supply.
④
3 A
This is a fuse holder for a 3 A delay fuse.
⑤
METER RANGE knob
Used to select the value to be displayed on the meter (P1-
①
).
4.2.6b Control panel P2
This is a power supply for the 60 L ion pump (used for the electron gun chamber
evacuation).
①
Meter
Displays the value selected with the METER RANGE knob (P2-
⑤
).
②
POWER lamp
Indicates when lit, that the POWER switch (P2-
③
) is at the on position.
③
POWER switch
Setting this to the upper position turns on this power supply.
④
3 A
This is a fuse holder for a 3 A delay fuse.
⑤
METER RANGE knob
Used to select the value to be displayed on the meter (P2-
①
).