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Operation and Setup, cont’d
SMX System MultiMatrix Switchers • Operation and Setup
3-14
Background illumination settings
The background illumination can be toggled on or off (default state) as desired
from the front panel. When the background illumination is on, the buttons are lit
25% amber. To toggle button background illumination off or on, do the following:
• Press and hold inputs 1 and 2 together, for 3 seconds. All buttons (except I/O
buttons, Menu and Next) extinguish if lit amber, or light amber, if already off.
N When the unit is in Lock Mode 1, background illumination cannot be changed.
Rear Panel RS-232/RS-422 Communications
The SMX rear panel 9-pin D com port can be configured through the front panel,
using the Control buttons and I/O plane buttons 0 and 1.
N
RS-232/RS-422 configuration via the front panel is not possible when the unit
is in Lock mode 2
The port can also be configured using SIS commands via telnet or RS-232 . See
chapter 4, “Programmer’s Guide ” for using SIS commands.
Configuration using the front panel
N
Only available when the unit is in Lock mode 0.
1 . Press and hold the Enter, Preset, View and Esc buttons simultaneously until
the Control buttons and I/O plane buttons 0 and 1 light.
2 . Use the control buttons to select the baud rate.
• Enter = 9600 • Preset = 19200 • View = 38400 • Esc = 115200
The selected baud rate button flashes.
3 . Use the I/O plane buttons (0 and 1) to select the connection type.
I/O plane button 0 = RS-232, I/O plane button 1 = RS-422
The selected connection type button flashes.
4 . Press any input or output button to exit configuration mode.
Viewing and Adjusting the Audio Input Level
The audio level of each input can be displayed and adjusted through a range of
-18dB to +24 dB. The audio level can be adjusted from the front panel, RS-232, or
through Ethernet.
N See chapter 4, “Programmer’s Guide ” for adjustment using SIS commands.
Using the front panel
1 . Press the Esc button to clear all pending changes (flashes green once).
2 . Select the audio plane to be viewed and/or adjusted. The button lights red or
amber (see Note on next page) .
3 . Press and hold (for 2 seconds) any I/O button until the audio plane button
flashes red, and then release the button. All I/O buttons extinguish.
4 . Press and release a desired input button. The button lights green. The input
audio level is displayed by the output buttons and the color indicates the
polarity (+ is green) or (- is red).
5 . Press and release the View (
<
) button for attenuation (-), and Esc (
>
) button for
gain (+) to increase or decrease the audio level (see figure 3-18).
See figure 3-19 for a table of Audio Level settings.