Apollo x8p Hardware Manual
Front Panel
19
Apollo x8p front panel (right portion)
(15) HOST Indicator
The HOST indicator displays the status of the Thunderbolt connection to the host
computer system. The possible states are:
Lit – The unit is communicating with the host computer and operating normally.
Unlit – The unit is starting up or it is not recognized by the host computer. Verify
software installation and Thunderbolt connections.
Red – System error. Please contact UA technical support if the issue persists.
(16) CLOCK Indicators
The clock source and status are displayed with these indicators. Either internal (INT) or
external (EXT) is displayed. The clock source is set within the Console application; see
the Apollo Software Manual for details.
Internal Clock
When set to internal clock, the INT indicator is illuminated white.
External Clock
Apollo x8p can use an external digital clock source from the Word Clock or optical
TOSLINK (S/PDIF and ADAT) inputs. The EXT indicator has two possible states:
White – When set to external clock and a valid clock signal is detected at the
specified port, the EXT indicator is illuminated white and Apollo x8p is synchronized
to the external clock source.
Red – When set to external clock and a valid clock signal is NOT detected at the
specified port, the EXT indicator is illuminated red and the internal clock remains
active instead. In this situation, if/when the specified external clock becomes
available, Apollo x8p switches back to the external clock, and the EXT indicator is
illuminated and white.
Important:
When set to use any external clock source, Apollo x8p’s sample rate
must be manually set to match the sample rate of the external clock.
MONITOR
R
L
POWER IN
+12VDC 9.0A
WORD CLOCK
75 Ω
TERM
LINE OUT 1-8 (ALT SURROUND)
LINE IN 1-8
1
2
3
4
5
6
7
8
MIC/LINE INPUT
ADAT S/MUX
UNIVERSAL AUDIO, INC.
34
28
31
36
30
35
29
32
33
INPUT
MONITOR
HI-Z 2
HI-Z 1
PAD
INPUT
+48V
Ø
LINK
METER
ALT
FCN
POWER
OFF
HP 1
HP 2
4
5
7
2
3
11
13
17
16 18
19
20
22
23
24
26
27
25
21
12
14
1
10
6
8
9
15
1
2
3
4
5
6
7
8
Summary of Contents for apollo x16
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