Operation Manual
Q
UICK
I
NSTALLATION
ASPI Digital - The Sound of DSP Technical Support: 404.892.3200 9
Calibration Step 3: Calibrating AEC Reference Input
3.1. Press AUX IN LEVEL/SETUP button again to enter Ref Input calibration. The SETUP LED blinks 3 times per period.
3.2. Press REF SELECT to select input source (AEC A or AEC B). Single zone installation will use AEC A.
3.3. Establish live connection to remote site(s) and have remote party talk normally.
3.4. Press LEVEL ADJUST until first yellow LED on REMOTE meter is flickering regularly and 2nd yellow is flickering rarely.
3.5. Repeat for other reference input if neccessary.
Calibration Step 4: Calibrating for Playback and Record
4.1. Press the AUX IN LEVEL/SETUP button to enter Playback/Record calibration. The SETUP LED blinks 4 times per period. This
step may be omitted if you are not using the internal EF1210 mixers to implement playback and record.
4.2. Press LEVEL ADJUST DOWN to set CODEC OUT level to -10 dBV, press LEVEL ADJUST UP to set CODEC OUT level to 0
dBu.
Calibration Step 5: Zone/Reference Setup
5.1. Press the AUX IN LEVEL/SETUP button to enter Zone/Reference Setup. The SETUP LED blinks 5 times per period. This step
may be omitted for single zone installations.
5.2. Use INPUT SELECT to cycle through each input channel. Use REF SELECT to select corresponding reference input for each
input channel.
-12 -7 -3 0 3 20 dB -12 -7 -3 0 3 20
AUX IN
LEVEL
REF
SELECT
INPUT
SELECT
SETUP
AEC
A
AEC
B
12345678
INPUTPOWER REMOTE
MUTE
ALL
LEVEL
ADJUST
SETUP
STEP 3.4
: adjust
level until person
talking at remote
site flickers second
yellow LED
STEP 3.2
: press
to select
reference input
source
AEC A input selected
AEC B input selected
LED blinks three
times for AEC
Reference calibration
-12 -7 -3 0 3 20 dB -12 -7 -3 0 3 20
AUX IN
LEVEL
REF
SELECT
INPUT
SELECT
SETUP
AEC
A
AEC
B
12345678
INPUTPOWER REMOTE
MUTE
ALL
LEVEL
ADJUST
SETUP
STEP 4.2a
:
press to set
CODEC OUT
level to -10
dBV
STEP 4.2b
:
press to set
CODEC OUT
level to 0 dBu
LED blinks four
times for record
and playback
calibration
-12 -7 -3 0 3 20 dB -12 -7 -3 0 3 20
AUX IN
LEVEL
REF
SELECT
INPUT
SELECT
SETUP
AEC
A
AEC
B
12345678
INPUTPOWER REMOTE
MUTE
ALL
LEVEL
ADJUST
SETUP
STEP 5.2b
: press to
select reference zone
STEP 5.2a
: press to
select channel for
calibration
LEDs light to
indicate which
channel is selected
LED blinks
five times for
zone/ref setup
zone A selected
zone B selected