Extron Electronics SMX System Setup Guide - Manual (Page 18)

12 SMX System MultiMatrix Switcher • Front Panel Operation
Adjusting the Input Audio Level
The audio level of each input can be displayed and adjusted through
a range of -18 dB to +24 dB. The level can be adjusted from the front
panel, RS-232, RS-422, or Ethernet connection.
NOTE: Refer to the SMX User Guide for other adjustment
methods.
1. Press the Esc button to clear any pending changes. The button
flashes green once.
2. Press the desired audio I/O Plane button to be adjusted. The plane
button and an Input button light.
I/O PLANE SELECT
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0
Figure 18. Plane 4 Selected — an Example
3. Press and hold any Input button until the I/O Plane button flashes.
Input and Output buttons turn off.
4. Press the button for the input that needs the audio level adjusted.
The selected input button lights green, and the View button lights
red. The current audio level dB is indicated by the lit and flashing
output buttons (see
Input Audio Level Table on page 13).
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
Figure 19. Input 8 Set to -09 dB — an Example
5. Press and hold the View button to decrease or the Esc button to
increase audio level.
ENTER
C O N T R O L
PRESET ESC VIEW
or
ENTER
C O N T R O L
PRESET ESC VIEW
The selected Input button remains lit. Outputs light, flash, or go
out as the level changes (see
Input Audio Level Table on
page 13 for button lighting and dB levels). Additional inputs can
be adjusted by repeating steps 4 and 5.
NOTE: The View button lights only when the current audio
level is negative dB, and the Esc button lights only
when it is positive dB.
6. Press the Enter button to leave the input audio level adjustment
mode. All button lights go out.