Operation Manual

O
PERATING THE
EF1210
ASPI Digital -
The Sound of DSP
Technical Support: 404.892.3200 39
U
SING THE
EF1210 W
ITH
RS-232 C
ONTROL
You can control all of the EF1210’s features with an RS-232 remote control device.
The instructions below explain which RS-232 commands are needed to accomplish
each function. Users may not need to know these commands, since they may be hid-
den behind the user interface of the remote control device. A full Command Set Ref-
erence is provided at the end of this manual starting on page 53.
Serial Port Setup
For RS-232 control, use an RS-232 cable — do not use a null modem. Refer to “Con-
nector Pinouts” on page 88 for pin connections for the RS-232 cable. The RS-232
port on the remote control device should be set to 9600, 8-N-1.
Changing Level
Display on
I
NPUT
and
R
EMOTE
LED Meters
When the EF1210 is in normal operating mode, the input channel level displayed on
the I
NPUT
LED meter can be checked and adjusted using the following commands
from the RS-232 command set:
When the EF1210 is in normal operating mode, the Reference Input level displayed
on the R
EMOTE
LED meter can be checked and adjusted using the following com-
mands from the RS-232 command set::
Command Description Effects
SELECTI
n
Set front panel
I
NPUT
LED meter to
display input chan-
nel n.
The level of input channel n will be
displayed on the I
NPUT
LED meter
and the green LED of the channel will
light.
SELECTI? Request current
assignment of front
panel I
NPUT
LED
meter.
The EF1210 returns channel n, which
indicates that the front panel I
NPUT
LED meter is currently set to display
input channel n.
n ranges from 1 to 8.
Command Description Effects
SELECTR
c
Set front panel
R
EMOTE
LED meter
to display Reference
input c.
The level of Reference input c will be
displayed on the R
EMOTE
LED meter
and the yellow LED of the reference
will light.
SELECTR? Request current
assignment of front
panel R
EMOTE
LED
meter.
The EF1210 returns Reference input c
which indicates that the front panel
R
EMOTE
LED meter is currently set to
display Reference input c.
c is either A or B.