ALFAtron ALF-21E-CODEC, Руководство пользователя

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Alfatron ALF-21E-CODEC
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5. Button Control
5.1 Manual Switching
When the switcher is in the manual switching mode, press the SELECT AUTO/3s button
repeatedly to cycle through the two video inputs, and the corresponding source LED
illuminates orange immediately.
5.2 Automatic Switching
Press and hold the SELECT AUTO/3s button at least three seconds to enable
automatic switching. The current input source will not be changed, and its source LED
will turns green.
When in the AUTO mode, the switcher will switch according to the following rules:

Press and hold the
SELECT AUTO/3s
button at least three seconds again can exit
AUTO mode, but the input source will not be changed, and the corresponding source
LED will turns orange.

New input: Upon detecting a new input, the switcher will automatically select the new
input.

Press the SELECT AUTO/3s button also can forcibly change the input source.

Reboot: Once power is restored to the switcher, it will automatically reconnect the
input before powered off.

Source removed: When an active source is removed, the switcher will switch to the
other active input.
5.3 Display Control
Manual Control: Press the below DISPLAY buttons on the front panel to
simultaneously send RS232 and CEC commands to control the display device.

ON: Display On.

OFF: Display Off.

: Mute/unmute display audio.

: Volume down display audio.

: Volume up display audio.
Auto Control: When detecting a video input signal (5V or TMDS), automatically send
CEC and RS232 commands to turn on the display device. When not detecting any video