917X Series Metrology Wells
Front panel
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Power Switch (2)
The power switch is located on the power entry module of the unit at the bottom left
of the back panel.
Serial Connector (3)
The serial connector is a 9-pin subminiature D type located on the back panel. The
serial (RS-232) interface can be used to transmit measurements and control the opera-
tion of the Metrology Well.
Fan (4)
The fan is necessary to keep the internal components cool. Always make sure air can
ow freely underneath and around the instrument.
4.2 Front panel
The following are found on the front of the Metrology Well (see Figure 3, on opposite
page).
Display (1)
The display is a 320 x 240 pixel monochrome graphics LCD device with a bright
CCFT backlight. The contrast can be adjusted using the 2 or 1 arrow buttons on the
front panel. The display is used to show current control temperature, measurements,
status information, operating parameters, and soft key functions.
Soft Keys (2)
The soft keys are the four buttons immediately below the display (labeled F1 to F4).
The functions of the soft keys are indicated on the display above the buttons. The
function of the keys may change depending on the menu or function that is selected.
Buttons (3)
The front panel buttons allow you to select menus, enter numeric data for operating
parameters, move the cursor on the display, change the display layout, and adjust the
contrast of the display.
Reference Thermometer Connection (-R models only) (4)
The 5-pin DIN connector on the front panel allows a reference probe to be attached to
the unit for use with the reference thermometer function of the unit.
Switch Connectors (5)
The switch hold patented DWF connector posts are located on the right side of the
front panel.
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