SMP Gateway User Manual • 151
calibrate the touch screen at runtime.
For a little reminder on how to upload the configuration file to the SMP Gateway, see “Sending
th
e Configuration to the SMP Gateway”, page 39. Once the configuration file has been uploaded,
restart th
e SMP Gateway.
At the beginning of the SMP Gateway’s startup sequence, you should see some configuration
information displayed on the touch screen, and then the screen should become totally black. It will
remain black during the rest of the startup sequence, which may take a few minutes.
The calibration screen eventually appears. Calibration is the topic of the next section.
16.5 Calibrating the Touch Screen
The Annunciator enter calibration mode at startup. You can also calibrate the touch screen
anytime by pressing the Calibrate button found at the bottom right of the Annunciator’s display.
When the Annunciator enters calibration mode, a cross appear in the upper left corner of the
screen’s display. A message prompts you to touch the screen from a position of normal use. This
means that you should be in your normal working position; either sitting down or in front of the
rack standing up, as you intend to use it most of the times.
Touch the upper-left cross. Repeat for each cross, as they appear on-screen.
When this is over, a message will appear, asking if the cursor follows your finger. Leave your
finger on the screen and move it all over the display.
If these new calibration settings are correct, press yes to accept them.
If you want to keep the old settings, press no.
In both cases, you will be taken back to the Annunciator’s display. You can recalibrate the
screen anytime by pressing Calibrate.
Note: If, for some reasons, you are no longer able to access the calibration screen and
you do not want to restart the SMP Gateway, you can call back the calibration
screen via a Telnet command, as described in the “Elo Touchscreen Driver
Manag
er” section, page 244.
16.6 Using the SMP Gateway’s Annunciator
The following sections explain the various functions of the Annunciator.
16.6.1 Navigating Through the Different Pages
To display a given page, simply press the page’s tab name.
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