EAS TEST......................................................................................................................1-22
PC CONTROL AND SECURITY PASSCODE.............................................................................1-23
WHY THE NORTH AMERICAN NRSC STANDARD?...............................................................1-23
AM Stereo Introduces a Preemphasis Dilemma ............................................................1-23
Figure 1-2: NRSC Modified 75 µs Deemphasis ............................................................... 1-24
NRSC Standard Preemphasis and Low-pass Filtering ....................................................1-24
Figure 1-3: NRSC Lowpass Filter ..................................................................................... 1-25
WARRANTY, USER FEEDBACK...........................................................................................1-26
User Feedback........................................................................................................1-26
LIMITED WARRANTY .............................................................................................1-26
INTERNATIONAL WARRANTY ...............................................................................1-26
Section 2 Installation
.........................................................................................................................................2-1
INSTALLING THE 9300.......................................................................................................2-1
Figure 2-1: AC Line Cord Wire Standard).........................................................................2-2
Figure 2-2: Wiring the 25-pin Remote Interface Connector........................................... 2-3
Figure 2-3: 9300 Serial Port Pin Identification.................................................................2-4
Figure 2-4: Jumper Positions, Monitor Roll-Off Filter ..................................................... 2-4
Figure 2-5: Frequency Response Curves as Function of ROLLOFF Control, Monitor Rolloff
Filter Strapped for 18 dB/Octave......................................................................................2-5
Figure 2-6: Monitor Rolloff Filter Schematic Diagram....................................................2-6
9300 REAR PANEL ...........................................................................................................2-7
INPUT AND OUTPUT CONNECTIONS.....................................................................................2-8
Cable.........................................................................................................................2-8
Connectors ...............................................................................................................2-8
Analog Audio Input.................................................................................................2-8
Analog Audio Outputs............................................................................................2-9
AES3 Digital Input and Output.............................................................................2-10
Grounding..............................................................................................................2-10
Power Ground........................................................................................................2-11
Circuit Ground .......................................................................................................2-11
9300 FRONT PANEL .......................................................................................................2-11
QUICK SETUP.................................................................................................................2-13
ANALOG AND DIGITAL I/O SETUP .....................................................................................2-19
Figure 2-7: Effect of Lowpass Filter Shape Control on 5 kHz Lowpass Filter...............2-23
Overview of Transmitter Equalization........................................................................... 2-28
Description of the TX EQ Controls ................................................................................. 2-28
Procedure for LF Equalization........................................................................................2-28
Figure 2-8: Unequalized RF envelope (showing tilt)..................................................... 2-29
Figure 2-9: RF envelope requiring no tilt equalization................................................. 2-29
Figure 2-10: Unequalized RF envelope (showing ringing) ........................................... 2-31
Figure 2-11: RF envelope showing successful HF equalization.....................................2-31
AUTOMATION USING THE 9300’S INTERNAL CLOCK............................................................2-34
SECURITY AND PASSCODE PROGRAMMING.........................................................................2-37
To Create a Passcode: ............................................................................................2-37
To Edit a Passcode:.................................................................................................2-38
To Delete a Passcode: ............................................................................................2-38
To Lock the Front Panel Immediately:..................................................................2-38
To Program local lockout: .....................................................................................2-39
To Unlock the Front Panel: ...................................................................................2-39