Extron Electronics SMX System User Guide - Manual (Page 35)

SMX System MultiMatrix Switcher • Operation 29
Viewing and Adjusting the Audio Output Volume
NOTE: This function is only available when the unit is in lock mode 0.
The audio output volume of each output can be displayed and adjusted through a range of
64 steps (1 dB per step, 0% through 100%). The audio output volume can be adjusted from
the front panel, through RS-232 or RS-422, or through Ethernet.
NOTE: See the SIS tables in SIS Configuration and Control on page 34 for
adjustment methods using SIS commands.
Using the Front Panel
1. Press and release the Esc button to clear all pending changes. The button flashes green
once.
2. Select the audio plane to be viewed or adjusted. The button lights red or amber.
3. Press and hold any I/O button until the audio plane button flashes red (approximately
2 seconds), and then release the button. All I/O buttons extinguish.
4. Press and release a desired output button. The button lights green. The output audio
volume (relative volume) is indicated by the number of lit input buttons. All buttons lit
indicates no (zero) attenuation.
5. Press and release the Esc (>) and View (<) buttons to increase or decrease the output
audio volume (see the
Audio Output Volume Lighting Table on page 30 for settings).
6. If desired, select additional outputs by pressing their output buttons.
7. Press and release the Enter button (or wait 30 seconds) to exit the audio display and
adjustment mode. The audio plane button extinguishes.
INPUTS
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
OUTPUTS
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
INPUTS
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
OUTPUTS
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Step 4 – Press the button for the output needing the audio volume adusted (here 3).
The selected output button lights green.
The current audio volume is indicated by the lit and flashing input buttons.
Here input buttons 1-16 lit
green indicate an output volume of 100% (0 dB attentuation).
ENTER
Step 5 – Press and hold View to decrease or Esc to increase audio level (here View).
C O N T R O L
PRESET ESC VIEW
The selected output button remains lit. Inputs light, flash, or go out as the volume changes.
Here the volume is decreased to 65.5%. Inputs 1-10 are lit
green, and 11 is flashing slowly.
Additional outputs can be adjusted by repeating steps 4 and 5.
Step 6 – Press Enter to leave the output audio volume adjustment mode.
All buttons go out.
Figure 26. Adjusting the Output Volume — an Example (Steps 4 through 6)