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Getting Started
2.4.6
mTouch Diagnostic Tool Window Configuration
In the mTouch Diagnostic Tool window, select Settings . The Settings window shown in
Figure 2-6 should now display.
FIGURE 2-6:
SETTINGS WINDOW
In the Settings window change the value in the Global Limit window to 20000 and press
the Save Settings Now button. The mTouch Diagnostic Tool window gauges should
now all be scaled to a maximum upper limit of 20000 counts.
Deselect the Enable Polling feature in the Settings window to disable software polling
of the individual Keypad Keys. Touching the Keypad now has no effect on the individual
gauges in the mTouch Diagnostic Tool window. Select Enable Polling once again.
The Settings window also allows the user to save settings for the next time the tool is
used.
Alternately, the AutoScale button found at the top of the mTouch Diagnostic Tool
window can be used to scale both Upper and Lower Limits based on current average
values.
2.4.7
mTouch Diagnostic Tool Gauges
Each touch pad (Key ‘0’ shown) on the PICDEM Touch Sense 1 Board is represented
by its own individual gauge in the mTouch Diagnostic Tool window. This adjustable
gauge can be used to either analyze and/or change functional characteristics of the
associated pad as shown in Figure 2-7.
FIGURE 2-7:
GAUGE INFORMATION FOR KEYPAD KEY ‘0’
? 2008 Microchip Technology Inc.
Guard Band (Blue)
Relaxation Oscillator
Frequency
Running Average
(cumulative reading)
Running Average (Orange)
Trip Level (Green)
Raw data (instantaneous reading)
Key being gauged Band (Blue)
DS41346A-page 12
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DM164128 KIT DEV PICDEM TOUCH SENSE 2
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