... s - subtitle toggle（字幕切换） a - audio button（音轨切换） m - mute on/off（静音 开/关） ...
基于8个网页-相关网页
a - audio button
A -音频按钮
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The rest of the device is a plastic, candy-bar-style affair with USB, HDMI and 3.5mm audio outputs on one side, with a gain control, delete button and full-sized SD card slot on the other.
ENGADGET: Zoom Q2HD Handy Video Recorder lets you stream and record on the move, we go hands-on
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模块上移
模块下移
不移动