剛在http://www.px.com.tw/e/p04-pro_1_1_1.php?Kt_no=B&Ks_no=B003&Kp_no=DA-1000
看到以下描述，那5V從何處連接?
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◎ Convenient Powering
2 ways selectable for your convenient.Powered by 5V DC from your DVB-T receiver,or a 9V Vdc,AC/DC adaptor.
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