Orban OPTIMOD-FM 5518, Operating Manual

Page: 148 / 217

4-8
MAINTENANCE ORBAN MODEL 5518
DI REF VU ............................................................................... –15.0 dBFS
R CH BAL ........................................................................................0.0 dB
c) Navigate to
Setup
>
I/O C
ALIB
> A
NLG
O
UT
C
ALIB . Set controls as follows:
AO 100% ................................................................................. +10.0 dBu
AO PRE-E ............................................................................................Flat
AO SOURCE .........................................................................................FM
d) Navigate to
Setup > I/O C
ALIB
> D
IG
O
UT
C
ALIB
. Set controls as follows:
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
TEREO
E
NCODER . Press the
Next
button. Set the
ITU412
control to
O
FF .
g) Navigate to
Setup > T
EST . Set controls as follows:
MODE ........................................................................................... Bypass
NOTE: Bypass defeats all protection limiting 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 5518 software controls are set to their default settings. [Refer to step
(2.A) on page 4-7.]
B) Feed the 5518 output with the built-in 400 Hz test tone:
a) Navigate to
Setup > T
EST
.
b) Set the
M
ODE
to
T
ONE
.