
Figure 2: VP-773AMP Presentation Switcher/Scaler Rear Panel
AUDIO IN
Unbalanced
Connectors
Connect to an unbalanced audio source for audio takeover of the HDMI 1 to HDMI 4 embedded audio (see
Section 6.3). The pinout is defined in Section 5.4
Connect to the unbalanced stereo audio of the computer graphics source (from 1 to 2). The pinout is defined
in Section 5.4
Connect to the unbalanced stereo audio source for analog audio takeover of the DisplayPort embedded
audio (see Section 6.3). The pinout is defined in Section 5.4
Connect to the unbalanced stereo audio of the composite video source
Connect to a microphone (see pinout in Section 5.3)
Select between a condenser and a dynamic type microphone
Connect to a microphone (see pinout in Section 5.3)
Note that Mic2 on the rear panel is identical to Mic2 on the front panel. Mic2 on the front panel overrides
Mic2 on the rear panel when connected
Select between a condenser and a dynamic type microphone
REMOTE IR 3.5mm Mini Jack (opening)
Covered by a cap. The 3.5mm connector at
the end of the internal IR connection cable
fits through this opening
Connects to an external IR receiver unit for controlling the machine via an IR remote controller (instead of
using the front panel IR receiver)
Optional. Can be used instead of the front panel (built-in) IR receiver to remotely control the machine (only if
the internal IR connection cable has been installed), see Section 8.4.1
SPKR OUT 4-pin Terminal Block
Connects to a pair of loudspeakers
Connect to a digital audio acceptor
Power Connector with Fuse
AC connector, enabling power supply to the unit
Switch for turning the unit on or off
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