User Guide Manual

Input Selection
i Input selection switch — The input selection toggle switch selects among inputs 1, 2,
and 3 (see figure below). Each time you move the switch down, the interface switches
to the next lower input (in the order that the inputs are listed on the front panel): input
1  input 2, input 2  input 3, input 3  input 1. Moving the switch up selects the
next higher input (in the order that the inputs are listed on the front panel). The switch
returns to the center position automatically.
INPUT
1
2
Start
Start
3
1
2
3
1
2
3
INPUT
Down-switching
Up-switching
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
Figure 10. Input Selection Switch
A remote RS-232 control system or computer or a contact closure switch, connected via
the rear panel Remote port, can also switch among the inputs.
NOTES: Front panel security lockout (see below) disables the Input selection
switch. If executive mode is on and the input selection switch is operated,
the LCD displays Exec Mode On.
The interface handles audio on inputs 1 and 2 only. When you select
input 3, the audio output is muted.
j Input LED — The lit LED indicates the selected input.
Front Panel Security Lockout (Executive Mode)
Front panel security lockout limits the operation of the interface from the front panel. When
the interface is in executive mode, the front panel vertical centering (
{
), horizontal centering
(
[
), and input selection functions are disabled.
To toggle executive mode on or off, hold down the input selection switch for approximately
five seconds. The LCD displays Exec Mode On to indicate the mode change. Release the
switch. To toggle the executive mode off, hold down the Input selection switch again until
the LCD displays Exec Mode Off.
Front panel security lockout does not affect the ability of the user to control the interface
with SIS commands (see page 24) or the RGB 201/203/580 Control Software (see
page 23).
RGB 203 Rxi • Operation 16