Avidyne IFD540, Pilot'S Manual

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1-34 System Overview
TOUCH SCREEN
The IFD uses a capacitive touch screen technology that allows
multi-touch operation (e.g. two-fingered pinch zoom). Many types
of gloves can be used during touch screen operations.
The IFD employs a “hybrid touch” design in that virtually every
interaction can be accomplished either through bezel controls or
touch. This allows for flexibility in operational use. Some
features or functions naturally lend themselves to being easier to
accomplish through touch (e.g. map panning) and some are
naturally easier to do via physical bezel controls (e.g. changing
pages or using dedicated functions like the Freq List). We have
found that individual usage patterns tend to emerge and personal
preference has a strong influence as well. Perhaps most
importantly, hybrid touch is useful during turbulent or bumpy flight
conditions where it is often very difficult to precisely and reliably
touch the desired point on the display. Having a physical bezel
control provides an “anchor point or control” to hold on to and
exercise the intended action.
TIPS AND TECHNIQUES
User Control to Turn Touch Off
The “User Options” LSK on the SETUP tab of the
AUX page provides a touch screen on/off selection
capability. This can come in handy in excessively
bumpy flight conditions when even attempting to
use physical bezel controls can result in inadvertent
touching of the screen and potentially causing
unintentional display changes. The on/off setting
will persist across power cycles.
Touch zone targets have been intentionally oversized wherever
possible to aid in accurate touch screen behavior.
As noted above, virtually every feature or function of the IFD can
be accomplished either by touch or by physical bezel control.
The following table identifies the exceptions to that rule: