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EF1210 U
SER
M
ANUAL
66 http://www.aspi.com Copyright © 1999, All Rights Reserved
GAINR
C
-
SET
REFERENCE
INPUT
GAIN
ON
REFERENCE
C
The GAINR
c
command sets the Reference input gain level on reference c of the
EF1210 to a level between 0 dB and 20 dB. This corresponds to a nominal Reference
input signal level between 0 dBu and -20 dBu, respectively. For instance, setting
GAINR
c
to 0 corresponds to a nominal Reference input signal level of 0 dBu, and set-
ting GAINR
c
to 20 corresponds to a lower nominal Reference input signal level of -
20 dBu.
The purpose of the Reference input gain is to bring the signal level of the Reference
input to a constant value at the A/D inside the EF1210. For example, if we expect a -
12 dBu signal at the Reference input A (AEC A), we would set the Reference input
gain of Reference A to 12 dB by sending the command GAINRA12.
The Reference input gain is set using EF1210 calibration procedures (See “Calibra-
tion Step 3: Calibrating AEC Reference Inputs” on page 32.).
The factory default setting for GAINR
c
is 20 (-20 dBu nominal level expected at
input).
Remote Commands
The following commands can be sent by the remote control device to set the R
EFER
-
ENCE
input gain level.
EF1210 Messages
The following messages are sent by the EF1210 in response to a GAINR
c
? com-
mand, or in response to any GAINR
c
command when acknowledgment mode is on.
Remote Command Effects
GAINR
c
x Set R
EFERENCE
input gain on reference c.
c is either A or B.
x ranges from 0 dB to 20 dB.
GAINR
c
? Request current R
EFERENCE
input gain on refer-
ence c.
Note.
The wildcard character (*) is not allowed for specifying the chan-
nel number c for the GAINRc command.
EF1210 Message Message meaning
GAINR
c
x R
EFERENCE
input gain on reference
c
is currently x
dB.
68


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