Orban OPTIMOD-FM 5500 Operation Manual page 200

4-8
MAINTENANCE
b) Navigate to Setup > I/O C
below:
DI REF VU ............................................................................... –15.0 dBFS
R CH BAL ........................................................................................0.0 dB
c) Navigate to Setup > I/O C
AO 100% ................................................................................. +10.0 dBu
AO PRE-E ............................................................................................Flat
AO SOURCE .........................................................................................FM
d) Navigate to Setup > I/O C
DO 100% .................................................................................. –2.8 dBFS
DO PRE-E ............................................................................................ flat
DO RATE........................................................................................32 kHz
DO SOURCE..........................................................................FM
DO SYNC..................................................................PILOT SYNC
PILOT SYNC .................................................................................Internal
DITHER...................................................................................In
FORMAT..............................................................................AES
e) Press the Next button. Set controls as follows:
WORD LENGTH .................................................................................... 20
f) Navigate to Setup > S
control to O
FF
g) Navigate to Setup > T
MODE ........................................................................................... Bypass
NOTE: Bypass defeats all compression, limiting, and program equaliza-
tion, but retains the selected pre-emphasis (either 50s or 75s).
BYPASS GAIN .................................................................................0.0 dB
TONE FREQ....................................................................................400 Hz
TONE LVL.......................................................................................... 91%
h) Press the Next button.
i) Set controls as follows:
TONE CHAN........................................................................................ L+R
PILOT....................................................................................................ON
3. Adjust Analog Output Level Trim.
A) Verify 5500 software controls are set to their default settings. [Refer to step
(2.A) on page 4-7.]
B) Feed the 5500 output with the built-in 400 Hz test tone:
a) Navigate to Setup > T
> D
ALIB IG
> A
ALIB NLG
> D O
ALIB IG
E
TEREO NCODER
.
. Set controls as follows:
EST
.
EST
I C . Set controls as in the table
N ALIB
O C . Set controls as follows:
UT ALIB
C . Set controls as follows:
UT ALIB
. Press the Next button. Set the ITU412
ORBAN MODEL 5500