8
LED INDICATORS
8 . 1
E t h e r n e t
The LEDs on the Ethernet connector indicate the Ethernet connection and activity status.
Left Link LED
Status
Right Activity LED
Status
Amber color
10 Mbps
Amber color
Half duplex
Green color
100 Mbps
Green color
Full duplex
On
Link established
On/flashing
Data activity
Off
No link
Off
No activity
8 . 2
U - N e t I n d i c a t o r s
The U-Net LEDs on the front/rear panels indicate the U-Net network status.
Green LED (
)
Red/Yellow LEDs (!) Status
On
Off
U-Net network detected
On
Flashing
Local fault: not sending or receiving on the assigned
U-Net channel(s) or local and received sample rates are
not synchronized
On
On (2 seconds)
Local fault detected on another device on the network
Off
Off
No network detected
8 . 3
I n p u t m e t e r s
The input meters indicate the signal level in dB below 0 dBFS (0 dB Full Scale), the clip level of the ADC
(analog to digital converter). An input meter still functions when its Input Channel is muted. Ideally, the
highest levels of the signal should illuminate the -6 LED segment, but not the CLIP segment. Occasional
flashing of the CLIP segment may be sonically acceptable.
LED Segment
Signal Level
Clip Red
0 dBFS
- 6 Yellow
-6 dBFS
-12 Green
-12 dBFS
Sig Green
-40 dBFS
8 . 4
O u t p u t M e t e r s
Unlike the input meters, the four LED segments of each output meter make up two different meters.
8
.4.1
SIG, -12, A
N
D CLIP SIG SEGME
N
TS
These three segments monitor the signal level in dB below 0 dBFS (0 dB Full Scale), the clip level of the
DAC (digital to analog converter). An output meter still functions when its Output Channel is muted.
Ideally, you want the highest level to illuminate the -12 segment, but not the CLIP segment. You can set
levels lower than this, but understand that you are reducing the signal-to-noise ratio.
LED Segment
Signal Level
Clip Red
0 dBFS
-12 Green
-12 dBFS
Sig Green
-40 dBFS
8
.4.2
LIM SEGME
N
T
This segment monitors the limiter status referenced to the level set for the limiter threshold. The Lim
segment will indicate limiting even when its Output Channel is muted.
LED Segment
Status
Lim Yellow
On when the limiter threshold is exceeded and there is gain reduction
Occasional flashing is OK. However, if the LED is rapidly flashing yellow or is on steadily a large
percentage of the time, the input signal to the loudspeaker may be exceeding the loudspeaker’s capability
and the volume level should be reduced.
Page 20
OUTPUT CHANNELS
OUTPUT CHANNELS
Clip
Clip
Lim
-12
-12
Sig
Sig
Clip
Clip
Lim
Lim
-12
-12
Sig
Sig
Clip
Clip
Lim
Lim
-12
-12
Sig
Sig
Clip
Clip
Lim
Lim
-12
-12
Sig
Sig
Clip
Clip
Lim
Lim
-12
-12
Sig
Sig
2
3
4
5
6
ETHERNET
ETHERNET
2
1
U-NET
U-NET
U-NET
1
2
INPUT CHANNELS
INPUT CHANNELS
Clip
Clip
-6
-6
-12
-12
Sig
Sig
Clip
Clip
-6
-6
-12
-12
Sig
Sig
Clip
Clip
-6
-6
-12
-12
Sig
Sig
Clip
Clip
-6
-6
-12
-12
Sig
Sig
A
B
C
D
Содержание UX8800
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