Veeco MS40, Operation And Maintenance Manual, Page: 27 / 169

VIC Leak Detection
2099 Ninth Avenue
Ronkonkoma, NY 11779
631.737.0900
D3: 10
-7
range electrical offset; expressed as a fraction of a
volt (e.g., 0.00xx).
D4: 10
-10
range electrical offset; expressed as a fraction of a
volt (e.g., 0.00xx).
D5: Same as in Standard mode
D6: Same as in Standard mode
D7: Same as in Standard mode
EMISSION
Emission Current. Indicates the filament emission current.
The alphanumeric display will indicate the current in mA. A
normally operating filament will have an emission current of
5mA, as regulated by the filament control circuit.
ERROR CODE
This function automatically appears after an error has occurred
with the unit. When an error occurs, the alphanumeric display
automatically switches to this function and displays the error code.
The unit will display the code until the problem is resolved. This
Function is also selectable when using the SELECT momentary
switches on the Service Panel. If in Standard Mode, and this
function is selected when a system error has not occurred, the
word “NONE” will appear on the alphanumeric display. In
Service Mode, selecting this function will display the current date.
FIL CURRENT
Filament Current. The alphanumeric display indicates the
filament supply current, in D.C. Amps. The maximum current
is 6.3 amps.
FORE-LINE
Fore-line Pressure. The alphanumeric display indicates fore-line
pressure. May be displayed in millitorr or millibar. The
selection of units to be displayed is made by a blue toggle
switch located underneath the Service Panel. The switch is
accessed by opening the front panel and is mounted on the
circuit board located directly under the Service Panel.
1109-186-00 Rev. C 2-10