vertical synchronizing signal; VSYNC
Technical term in computing and video electronics; the signal that tells a display when to start a new frame.
See also: 水平走査周波数
If the vertical sync signal is disrupted, the screen may flicker.
このモニターは垂直同期信号に問題があるようだ。
This monitor seems to have a problem with the vertical sync signal.
Horizontal synchronizing signal; controls line timing, while 垂直同期信号 controls frame timing.
Compound of 垂直 (vertical), 同期 (synchronization), and 信号 (signal).