Hall Research VS-4A - Manual (Page 7)

4 Channel VGA Switch w/Audio & Serial C ontrol
5
3. Configuration & Operation
3.1 Modes of Operation
Auto Mode -
This will select the VGA and Audio input with
the highest priority that has an active VGA signal.
Scan Mode
- Will select each active VGA and Audio input
signal for a specified number of seconds, 1-60, and then
switch to the next active VGA input. The VS-4A can also be
configured to scan the non-active VGA inputs as well as the
active VGA inputs.
Normal Mode
- VGA inputs are selected based on front
panel push-button selections.
The VS-4A can only be in one of these modes at a time. You can
specify mode of operation either from the Serial port or from the
front panel (by pressing switch combinations simultaneously).
Pressing SEL 1 & SEL 2 simultaneously selects “AUTO”
mode.
Pressing SEL 3 & SEL 4 simultaneously selects “SCAN”
mode.
The VS-4A retains the last mode that it was in after power off and
upon power up, will enter the last mode that it was in.