Breakdown of Operatör radyo sinyalini alıyor.
Questions & Answers about Operatör radyo sinyalini alıyor.
The -ni here is the accusative case suffix -(y)i (buffer consonant n + vowel i) showing a definite object.
• With -ni (sinyalini) it means “the radio signal.”
• Without it (radyo sinyali) it would mean “a radio signal,” i.e. an indefinite object.
sinyalini =
• sinyal (root “signal”)
• -i (3rd-person singular possessive: “its signal”)
• -ni (buffer n + accusative -i: “the signal” as a definite object)
All together it literally means “its signal” in the accusative.