Operation Manual
EF1210 U
SER
M
ANUAL
12 http://www.aspi.com Copyright © 1999, All Rights Reserved
EF1210 F
RONT
AND
R
EAR
P
ANELS
1. P
OWER
I
NDICATOR
. When the LED is green, power is on.
2. I
NPUT
S
IGNAL
L
EVEL
I
NDICATOR
. Indicates level activity on any one of the 8
mic input signals (selected by I
NPUT
S
ELECT
button).
3. R
EMOTE
S
IGNAL
L
EVEL
I
NDICATOR
. Indicates level activity on either of the two
reference signals (selected by R
EF
S
ELECT
button).
4. M
UTE
A
LL
LED. This LED is only ON when all 8 L
INE
O
UTPUT
channels are
muted. If only some of the channels are muted, the LED will not be ON.
5. L
EVEL
A
DJUST
. Adjusts digital trimpot levels for the 8 microphone inputs, 2 ref-
erence inputs, 2 zone outputs, CODEC output, and Aux input (used in conjunc-
tion with the A
UX
I
N
L
EVEL
/S
ETUP
button).
6. A
UX
I
N
L
EVEL
/S
ETUP
. Press and hold both this button and the I
NPUT
S
ELECT
button for 2 seconds to put the EF1210 into configuration mode. Pressing the
A
UX
I
N
L
EVEL
/S
ETUP
button again selects between configuration modes in the
calibration process. During normal operation, press and hold the A
UX
I
N
L
EVEL
/
S
ETUP
button and use the L
EVEL
A
DJUST
buttons to adjust the playback level of
your program audio device.
7. R
EF
S
ELECT
B
UTTON
. During normal operation, this button selects which refer-
ence input (AEC A or AEC B) is shown on the R
EMOTE
L
EVEL
I
NDICATOR
. Dur-
ing setup, it has different functions depending on the setup step.
8. I
NPUT
S
ELECT
B
UTTON
. During normal operation, this button selects which one
of the 8 M
IC
input channels is shown on the I
NPUT
S
IGNAL
L
EVEL
I
NDICATOR
(LED meter). It is also used with the A
UX
I
N
L
EVEL
/S
ETUP
button to enter setup
mode. During setup, it has different functions depending on the setup step.
9. S
ETUP
LED. Flashes to indicate the current setup step. This LED is OFF during
normal operation.
10. AEC A LED. During normal operation, this LED indicates if reference input A
(AEC A) is selected for display on the R
EMOTE
L
EVEL
I
NDICATOR
. During
setup, it has different functions depending on the setup step.
11. AEC B LED. During normal operation, this LED indicates if reference input B
(AEC B) is selected for display on the R
EMOTE
L
EVEL
I
NDICATOR
. During setup,
it has different functions depending on the setup step.
12. I
NPUT
C
HANNEL
LED
S
. During normal operation, these LEDs indicate which
input channel is selected for display on the I
NPUT
L
EVEL
I
NDICATOR
. During
setup, it has different functions depending on the setup step.
13. D
IP
S
WITCHES
. Select mic or line level inputs, phantom power, and ASPI Bus
ID.
Figure 1. EF1210 Front and Rear Panels
POWER
INPUT
SELECT
MUTE
ALL
INPUT REMOTE
REF
SELECT
AEC A AEC B 12345678
INPUT CHANNELS
T
H
E
S
O
U
N
D
O
F
D
S
P
REMOTE CONTROLREMOTE CONTROL
ASPI BUS IN
ASPI BUS OUT
RS-232
LEVEL ADJUST
L
INE
L
INE
L
INE
L
INE
L
INE
MIC/LINE INPUTS
ZONE
A
5, 15 VDC 5, 15 VDC
M
IC
1
P
HANTOM
1
M
IC
2
P
HANTOM
2
D
EVICE
ID 8
D
EVICE
ID 4
D
EVICE
ID 2
D
EVICE
ID 1
21
D
EVICE
ID 16
AUX IN
LEVEL
SETUP
M
IC
3
P
HANTOM
3
M
IC
4
P
HANTOM
4
M
IC
5-8
P
HANTOM
5
P
HANTOM
6
P
HANTOM
7
P
HANTOM
8
436587
AUX
IN
AMIX
IN
AEC BAEC A 21436587 REC
TO
CODEC
AEC REF
R
ESERVED
R
ESERVED
LINE OUTPUTS
ZONE
B
PIN 2: TXD
3: RXD
-12 -7 -3 0 3 20 -12 -7 -3 0 3 20dB
E
CHO
F
REE
TM
EF1210
1 2 3 4 5 6 7 8 9 10 11 12
13 14 15 16 18 19 20 21 22 23 24 25 26 27 2817
SETUP