Veeco MS40 Operation And Maintenance Manual page 29

TEST PORT
TOTAL HRS
SELECT
ALPHANUMERIC DISPLAY
SET
Vacuum Instrument Corp. Vacuum Instrument Corp.
2099 Ninth Avenue 2099 Ninth Avenue
Ronkonkoma, NY 11779 Ronkonkoma, NY 11779
631.737.0900 631.737.0900
1109-186-00 Rev. C
Test Port Pressure. The alphanumeric display indicates the
pressure of the test port. 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.
Total Hours. In Standard Mode, the alphanumeric display
indicates the total number of hours the unit has been in
operation. In Service Mode, the display indicates the time of
day. The time (a 24 hour clock) can be altered by using the
SET arrow keys (to select hrs, min. and sec.) and the AUDIO
arrow keys to set the new time for the unit.
Up/Down Arrow Keys. Momentary switches that allow the
user to scroll through the sixteen functions located on the
Service Panel. The LED next to each function indicates the
function that has been selected. The selected function's
readout is displayed on the alphanumeric display.
Eight character display. Used to indicate messages as well as
the status of the sixteen selectable functions on the Service
Panel (from AMP GAIN to TOTAL HRS). An LED next to
the function indicates that the function has been selected,
while this display indicates its current status or measurement.
The display also indicates Error Message Codes (see Section
4.x for a list of Error Codes).
Up/Down Arrow Keys. Momentary switches that allow the
user to increase or decrease the value of the settable
functions (AMP GAIN, ANODE VOLTAGE, CAL TEMP,
CROSSOVER 1, CROSSOVER 2, DELAY, INT
CALIBRATOR and REJECT POINT).
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