The phrase "activate a touch" is not commonly used in written English and may be unclear without context.
It could be used in contexts related to technology or user interfaces, where a touch-sensitive feature is being enabled.
Example: "To start the device, simply activate a touch on the screen."
Alternatives: "enable a touch" or "trigger a touch".
After being activated by a touch sensor on its roof, Lightning McQueen goes through a sequence of actions, like driving forward and backward and turning, and performs a few complex moves, like doughnuts and drifting turns.
Monitor mode, allowing wearers to hear announcements, is activated at a touch of a button on the battery pack, while an in-line remote on the cable has a pause/play button and a microphone for using it as a headset with a smartphone.
It is displayed on the touch screen, but to activate a key you have to put a finger on it and depress the screen, which is a giant click button.
We further found that this softness illusion appeared selectively when the touch activated a neurophysiological system for affective touch in the receiver.
Physically touching something or activating a sensor is only one form of interacting with an artwork, and I reckon the intellectual interaction we have with art is far more valuable.
"An external stimulus – sight, hearing, touch, smell and taste – activates a number of regions of the brain, crucially including the amygdala," says Krishnadas.
In "Gloriadispara," for example, a nuanced pink-lavender with tiny touches of scarlet animatedly activates a rough, scabrous ground of gray-white matter.
The reading lights activate by touch.
So, you'll have your standard Mac OS X installation, but then when you activate "touch screen mode," you'll switch over to iOS.
Training was accomplished through successive approximation by rewarding the infants for approaching, touching, and finally activating the touch screen where a colored stimulus appeared.
