Ukusebenzisa ikhamera 'Enezicuphi' zangaphandle kusho ukuthi isikhathi sokutholwa kwesithombe sinqunywa ngamasignali okucupha anesikhathi esinembile, esikhundleni sokusebenzisa iwashi lesikhathi langaphakathi lekhamera. Lokhu kuvumela ikhamera ukuthi ivumelanise ukutholwa kwayo nezinye izingxenyekazi zekhompuyutha noma imicimbi, noma inikeze amafreyimu okutholwa alawulwa ngokunembile.

Izethulo zemodi ye-trigger yekhamera yase-Tucsen ene-SMA interface
Iziqalisi ze-'Hardware' zisho ukuthi isignali yokuthola isithombe ivela kuzingxenyekazi zekhompuyutha zangaphandle, ezilethwa nge-pulse kagesi elula eduze kwekhebuli yesixhumi esibonakalayo, isibonelo isignali engu-0 volt eshintsha ibe isignali engu-5 volt. Ikhamera iphinde inikeze amasignali okukhiphayo, okubonisa kwezinye izingxenyekazi zekhompuyutha ukuthi ikhamera ikusiphi isimo. Leli zinga elilula nelivamile lokuxhumana kwedijithali livumela izinhlobo eziningi zezingxenyekazi zekhompuyutha ukuthi zihlangane nezinye kanye nekhamera ngokuvumelanisa okunembile nokuphezulu kakhulu nokulawula. Isibonelo, ikhamera ingase iqaliswe ukuthola isithombe uma enye ihadiwe isiqedile ukunyakaza noma ukushintsha isimo phakathi kwamafreyimu ekhamera.
Izicupho 'zesofthiwe' zisho ukuthi ikhamera futhi ayisasebenzi ngesikhathi sayo sangaphakathi, kodwa kulokhu izingcipho zokuthola amafreyimu zilethwa ngekhebula lesixhumi esibonakalayo sedatha kusuka kukhompuyutha, nesofthiwe yokutholwa ithumela izibangeli.