Grass Valley ADA-1023 - Manual (Page 3)

ADA-1023 Single/Dual Analog Audio Distribution Amplifier
Guide to Installation and Operation
ADA-1023 Page 3 of 4
Operating Parameter Adjustment
The ADA-1023 has operating parameters which may be adjusted
at the controller card interface. After pressing the SELECT
button on the ADA-1023 card, use the keys on the local control
panel (described in the Controller card manual) to step through
the displayed menu and adjust the parameters. The menus are
shown below.
NO SIGNAL DELAY
CONFIGURE ALARM
STATUS
VERSION
OVERLOAD 1 ALARM LEVEL
ALARM REPORT
NO SIGNAL 1
ALARM REPORT
ALARM LEVEL
NONE , GPI
NONE , GPI
GREEN, YELLOW, RED, FLASH RED
GREEN, YELLOW, RED, FLASH RED
0, ..., 15, ..., 255 [sec]
REAR PANEL ERROR, OVERLOAD 1, OVERLOAD 2, OVERLOAD 1&2,
NO SIGNAL 1, NO SIGNAL 2, NO SIGNAL 1&2, ALL OK
OVERLOAD 2
ALARM REPORT
ALARM LEVEL
NONE , GPI
GREEN, YELLOW, RED, FLASH RED
NO SIGNAL 2
ALARM REPORT
ALARM LEVEL GREEN, YELLOW, RED, FLASH RED
NONE , GPI
SIGNAL THRESHOLD -48, -42, -36, -30, -24 [dBu]
OVERLOAD THRESHOLD -9, ..., +24 [dBu]
SINGLE, DUAL
UC Vxxx
MONITORING OUT 1 , OUT 2, OUT 1&2
FACTORY DEFAULT RESTORE
OPERATION (continued)
STATUS menu
Displays status of the different board alarms. The higher-level
alarm is displayed, even if not configured to activate the
STATUS LED. ALL OK indicates an absence of alarms.
REAR PANEL ERROR Absence of the rear panel or an
incompatibility between the module and the rear panel. The
STATUS led turns on flashing red
OVERLOAD Indicates an internal signal level higher than
the overload threshold (channel indicated 1, 2, 1&2).
NO SIGNAL Indicates an internal signal level lower than the
signal threshold during a user defined period (channel
indicated 1, 2, 1&2).
NO SIGNAL DELAY menu
Signal absence is declared when the level signal is lower than
the signal threshold during the selected period, which can be
adjusted from 0 to 255 s. The default value is set to 15 s.
SIGNAL THRESHOLD menu
The presence signal threshold can be adjusted from -48 to -24
dBu by 6 dBu steps. The default value is -36 dBu S.
OVERLOAD THRESHOLD menu
The overload signal threshold can be set from –9 to +24
dBu. The default value is +24 dBu.
MONITORING menu
Allows the pre-selection of the monitored signal. The
ON/OFF command will come from a monitor module like
the MSB-1121 in slot 20 of the Densité frame.