Input Selection; Mute Output - Extron electronics SSP 7.1 User Manual

Features, cont'd

Input selection

The five buttons allow the user to select between five possible audio inputs. The
green LED next to the button lights to show which input is currently active.
The SSP 7.1 accepts four digital inputs and one analog input (see Rear Panel
Features on page 3-4):
•
•
All four digital inputs accept 16-24 bits PCM audio at 32, 44.1, 48, 88.2, and 96 kHz
sample rates. They are designed to support Dolby Digital EX, DTS-ES Matrix 6.1,
and DTS-ES Discrete 6.1 source formats.
N For digital inputs, if there is no valid clock signal at the input and no lock is
•
The input can also be selected using the SSP 7.1 Setup and Control Software (see
page 5-3).

Mute output

When the mute state is enabled, all channels are muted simultaneously. To toggle
between mute and unmute:
1. Press and hold the active input button (the button next to the LED that is lit).
2. While still holding the active input button, press the Mode Override button.
When the mute state is enabled, the individual LEDs of the Volume Adjustment
LED bar light in sequence from the top down. This scrolling down pattern repeats
while the mute state persists.
N Selecting another input button while the mute function is enabled, disables the
N Adjusting the volume control encoder to change the volume (or the analog input
N If SIS commands have been used to mute a specific channel, muting and
All channels can also be muted using the SSP 7.1 Setup and Control Software (see
page 5-6).
3-8 SSP 7.1 • Features
1 2
Inputs 1 and 2 accept digital signals through S/PDIF optical cables. The optical
cable will support TosLink
conform to IEC-958, S/PDIF standards.
Inputs 3 and 4 accept digital signals through S/PDIF coaxial cables.
achieved, the LED associated with the source will blink twice per second.
Input 5 accepts a balanced or unbalanced analog input through a 5-pin captive
screw connector. The unit can be configured to accept
o a stereo signal
o a mono signal from the right channel
o a mono signal from the left channel
o a mixed sum of right and left channels
mute function.
gain) settings while the mute function is enabled, disables the mute function and
increases (or decreases) the volume (or gain) from its previous setting.
unmuting all channels will also unmute the channel that was specifically muted.
It will not remain in its previously muted state.
INPUTS
3 4
or TosLink compatible optical connectors that
®
CLIP
5