Table of Contents
Index.........................................................................................................................0-9
Section 1 Introduction
.........................................................................................................................................1-1
A
BOUT THIS
M
ANUAL
.......................................................................................................1-1
T
HE
OPTIMOD-AM
9400
D
IGITAL
A
UDIO
P
ROCESSOR
......................................................1-1
Making the Most of the AM Channel....................................................................1-2
Controllable and Adjustable...................................................................................1-3
Versatile Installation................................................................................................1-4
P
RESETS IN
OPTIMOD-AM..............................................................................................1-5
Factory Presets .........................................................................................................1-5
User Presets ..............................................................................................................1-6
I
NPUT
/O
UTPUT
C
ONFIGURATION
........................................................................................1-7
Digital AES3 Left/Right Input/Outputs...................................................................1-7
Analog Left/Right Input/Outputs ...........................................................................1-7
Remote Control Interface .......................................................................................1-8
Computer Interface .................................................................................................1-8
RS-232 Serial Port ............................................................................................................. 1-8
RJ45 Ethernet Connector ................................................................................................. 1-8
L
OCATION OF
OPTIMOD-AM ..........................................................................................1-8
Optimal Control of Peak Modulation Levels .........................................................1-8
Best Location for OPTIMOD-AM ..........................................................................1-10
If the transmitter is not accessible:................................................................................ 1-10
If the transmitter is accessible: ...................................................................................... 1-10
S
TUDIO
-T
RANSMITTER
L
INK
.............................................................................................1-11
Transmission from Studio to Transmitter.............................................................1-11
Digital Links .................................................................................................................... 1-11
Dual Microwave STLs...................................................................................................... 1-12
Analog Landline (PTT / Post Office Line)....................................................................... 1-13
AM Transmitters and Antennas............................................................................1-13
Bypassing the Transmitter's Internal Filters and Clippers...................................1-14
Power Supplies ......................................................................................................1-15
Pre-1965 Transmitters............................................................................................1-16
Asymmetry .............................................................................................................1-16
Transmission Presets and Transmitter Equalization ............................................1-17
Antenna System.....................................................................................................1-19
U
SING
L
OSSY
D
ATA
R
EDUCTION IN THE
S
TUDIO
..................................................................1-19
A
BOUT
T
RANSMISSION
L
EVELS AND
M
ETERING
..................................................................1-20
Meters ....................................................................................................................1-20
Figure 1-1: Absolute Peak Level, VU and PPM Reading ............................................... 1-21
Studio Line-up Levels and Headroom ..................................................................1-21
Transmission Levels................................................................................................1-21
L
INE
-U
P
F
ACILITIES
.........................................................................................................1-22
Metering of Levels.................................................................................................1-22
Built-in Calibrated Line-up Tones.................................................................................. 1-22
Built-in Calibrated Bypass Test Mode............................................................................ 1-22
M
ONITORING
.................................................................................................................1-23
Modulation Monitors and Their RF Amplifiers ...................................................1-23
Monitoring on Loudspeakers and Headphones..................................................1-23
Monitor Rolloff Filter ..................................................................................................... 1-23
Summary of Contents for Optimod-AM 9400
Page 1: ...Operating Manual OPTIMOD AM 9400 Digital Audio Processor Version 1 2 Software...
Page 7: ...Operating Manual OPTIMOD AM 9400 Digital Audio Processor Version 1 2 Software...
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Page 261: ...OPTIMOD AM DIGITAL TECHNICAL DATA 6 29...
Page 267: ...OPTIMOD AM DIGITAL TECHNICAL DATA 6 35 CPU Module...
Page 273: ...OPTIMOD AM DIGITAL TECHNICAL DATA 6 41 RS232 BOARD PARTS LOCATOR...
Page 275: ...OPTIMOD AM DIGITAL TECHNICAL DATA 6 43 8300 POWER SUPPLY PARTS LOCATOR...
Page 284: ...6 52 TECHNICAL DATA ORBAN MODEL 9400 DSP BOARD PARTS LOCATOR DRAWING 32170 000 14...
Page 292: ...6 60 TECHNICAL DATA ORBAN MODEL 9400 DISPLAY BOARD PARTS LOCATOR...
Page 293: ...OPTIMOD AM DIGITAL TECHNICAL DATA 6 61 DISPLAY BOARD...