8
6. OPERATION CONTROLS AND FUNCTIONS
6.1 Front Panel
GROUP
2
1
IN
GROUP
IN 2
IN 1
MENU
ENTER
+
-
IN 1
GROUP 1
OUT
A
OUT
B
OUT
C
OUT
D
QU-28S-4K22
2
1
3 4 5
7
6
1
IN LEDs:
The behavior of these LEDs depend on if Group Mode has
been enabled or not.
A
Group Mode Off
IN 1~2:
The illuminated LED indicates which source is currently
selected.
GROUP:
This LED will remain off.
B
Group Mode On
IN 1~2:
These LEDs will illuminate to indicate that a live source has
been detected on the associated input port. If no source is detected
the LED will remain off.
GROUP:
This LED will illuminate.
Note: When the front panel is locked, all 3 LEDs will blink after any button
press.
2
MENU:
Press to enter the OSD menu, or to back out from menu items.
Note: Press and hold the “MENU” button for 3 seconds while connecting
the power supply to reset all settings to the factory defaults.
3
− & IN 1:
Press to move down or adjust selections within OSD menus.
When not in the OSD menu, press this button to switch to Input 1.
Note: Pressing “MENU” and “−” together will force Input 1 to use the
Internal “FHD, 2CH” EDID.
4
+ & IN 2:
Press to move up or adjust selections within OSD menus.
When not in the OSD menu, press this button to switch to Input 2.
Note: Pressing “MENU” and “+” together will force Input 2 to use the
Internal “FHD, 2CH” EDID.
5
ENTER & GROUP:
Press to confirm a selection within the OSD or to
go deeper into a menu item. When not in the OSD menu, press this
button to toggle Group Mode on and off.