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•
Tx frequency selection
•
Active features
•
Sensor data output
•
Start change notification
3.2.2.1
Tx Frequency Selection
The Tx frequency selection is available from the System Start-up window.
A range of five frequencies may be selected or deselected to avoid noise. The MGC3140 constantly
monitors the noise levels on all selected frequencies and will hop to the lowest noise level frequency
when the current frequency noise gets too high. The automatic frequency hopping can be limited by
unchecking one or more frequencies in the list. The following frequencies are available: 42 kHz, 43 kHz,
44 kHz, 45 kHz, and 100 kHz.
3.2.2.2
Active Features
The Colibri Suite features can be active or inactive on MGC3140 start-up.
•
Approach Detection
– Selects if the Approach Detection feature is enabled at start-up.
•
Touch Detection
– Selects if the Touch Detection feature is enabled at start-up.
•
Gestures
– Selects if a particular gesture is active at start-up.
•
Flicks
– Flick selection has the behavior shown in the table below.
Table 3-1. Flick Selection
Double Flick Edge Flick Normal Flick Description
0
0
0
None Active
0
0
1
Only Normal Flick reported
0
1
0
Only Edge Flick reported
0
1
1
Normal and Edge Flicks reported
1
0
0
Double Flick reported. Disables Normal and Edge Flicks.
Normal and Edge Flicks are never reported.
1
0
1
Double Flick is reported. Disables Normal Flicks and Edge
Flicks. Normal and Edge Flicks are never reported.
1
1
0
Double Flick reported. Disables Normal and Edge Flicks.
Normal and Edge Flicks are never reported. If calibration
after flick is enabled in the Gestures menu by selecting the
'
triggers calib'
option, then calibrations may still be triggered
when the hand leaves the sensing area after flicks, or in the
middle of a Double Flick.
1
1
1
These settings should not be selected.
Note:
1.
0
= Not selected
2.
1
= Selected
•
Circles/AirWheel:
Discrete Circles and AirWheel are exclusive. The Airwheel has higher priority
than discrete circles. When the AirWheel is enabled, only AirWheel information will be reported. To
use the Discrete Circle gestures, AirWheel must be disabled.
MGC3140
Tuning
©
2018 Microchip Technology Inc.
User Guide
DS40002055A-page 7