User Interface DF-310E 91
repeat the test. If a failure is repeated contact the local Servomex Business Center.
8.6.3.6 Screen Test
When the screen test option is selected, the display will test each pixel. A series of horizontal
lines will appear on the display, followed by a series of vertical lines. After the test has been
completed, the display will return to the Diagnostics Menu, Figure 56. Pressing ESC will abort
the screen test. If an error message appears, or a pixel is inactive, contact the local Servomex
Business Center.
8.6.3.7 EXT Functions
Figure 64: EXT Functions
The EXT Function screen indicates to the user which, if any, functions have been factory
programmed for remote control through the J6 connector. Chosen at the time of order, the
following analyzer functions can be remotely controlled: Sensor polarizing voltage or Pump
on/off. See page 47 for additional information on wiring. NU will appear if no functions have
been enabled. It is important to note that the front panel has no control of these functions while
the analyzer is under remote control.
If the sensor polarization voltage has been turned off remotely, the display will indicate EXT
SENSOR! at the bottom.
If the pump has been turned on remotely, the display will indicate EXT PUMP at the bottom.
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