User guide
SMX System MultiMatrix Switcher • Operation 13
Operation
This section discusses the operation of an SMX series device through the front panel buttons 
and includes:
•  Front Panel Overview
•  Powering Up
•  Front Panel Operation
•  Configuring the Rear Panel RS-232/RS-422 Port
•  Viewing and Adjusting the Audio Input Level
•  Viewing and Adjusting the Audio Output Volume
•  Using Reset Levels
•  Troubleshooting
Front Panel Overview
SMX controls and indicators are shown in figure 8. They include I/O plane selection buttons, 
input and output selection buttons, control buttons (Enter, Preset, View, and Esc) and power 
indicator LEDs for the main board and I/O cards. A 2.5 mm configuration port is also on the 
front panel.
All buttons can be relabelled as desired (see Replacing Buttons Labels section on page 
127).
NOTE:  Some models have a blank front panel (no buttons). See SIS Configuration 
and Control on page 33, SMX Control Software on page 58, and HTML 
Configuration and Control on page 86 to control and configure SMX models 
with blank front panels.
SMX SERIES SWITCHER
I/O PLANE SELECT
INPUTS
1
2
3 4
5
6 7 8
9
10
11 12
13 14 15 16
OUTPUTS
CONTROL
1
2
3
4
5
6 7 8
9
10
11 12 13 14 15
0
ENTER PRESET
VIEW
ESC
1
2
3 4
5
6 7 8
9
10
11 12 13 14 15 16
MAIN
I/O CARDS
CONFIG
P
O
W
E
R
2
1
3
4
5
6
Figure 8.  SMX Series Matrix Switcher Front Panel Features
a I/O Plane Selection buttons (0-15) d Control buttons (Enter, Preset, View, and Esc)
b Inputs buttons (1-16) e Power status LEDs
c Outputs buttons (1-16) f Config port










