RADIOBEACON TRANSMITTER
ND500II (125 WATTS) DOUBLE SIDEBAND - NO VOICE
Contents (Page 3)
01 November 2003
TABLE OF CONTENTS
(Continued)
Section
3
INSTALLATION AND PREPARATION FOR USE
(Continued)
3.8.4
RF SYNTHESIZER PWER PRE-INSTALLATION ................................................. 3-4
3.8.5
KEYER PWB PRE-INSTALLATION...................................................................... 3-5
3.8.5.1
Keyer Content Configuration........................................................................... 3-5
3.8.5.2
Keyed Tone Frequency................................................................................... 3-6
3.8.5.3
Keyed Tone Source ........................................................................................ 3-6
3.8.5.4
Keyer Fault Inhibit .......................................................................................... 3-6
3.8.6
HARMONIC FILTER PRE-INSTALLATION........................................................... 3-6
3.8.7
LOW AC INHIBIT JUMPER POSITON ................................................................. 3-6
3.8.8
REMOTE POWER TRIM JUMPER POSITON ...................................................... 3-6
3.8.9
INSTALLATION OF CABINE DRAWER SLIDES .................................................. 3-6
3.9
FINAL INSTALLATION .............................................................................................. 3-7
3.9.1
EXTERNAL INPUT/OUTPUT INTERFACE CONNECTIONS ................................ 3-7
3.9.2
ANTENNA TUNING UNIT CONTROL CONNECTIONS ........................................ 3-8
3.9.3
RF OUTPUT CABLE CONNECTION .................................................................... 3-8
3.9.4
LIGHTNING/SAFETY GROUND CONNECTION .................................................. 3-8
3.9.5
AC POWER CONNECTION ................................................................................. 3-8
3.9.6
DC POWER CONNECTION ................................................................................. 3-8
3.9.7
FINAL PRE-STARTUP INSPECTION ................................................................... 3-8
3.10
INITIAL START-UP PROCEDURES .................................................................... 3-8
3.11
FIRST STAGE (INITIAL START-UP) ................................................................... 3-9
3.12
SECOND STAGE (INITIAL START-UP)............................................................... 3-9
3.13
THIRD STAGE (INITIAL START-UP)................................................................. 3-12
3.13.1
INTENDED CARRIER LEVEL............................................................................. 3-12
3.13.1.1
RF Monitor Signal Source Selection ............................................................. 3-12
3.13.2
INTENDED MODULATION DEPTH .................................................................... 3-12
4
OPERATING INSTRUCTIONS
4.1
GENERAL
4.2
EMERGENCY SHUTDOWN PROCEDURE ................................................................ 4-1
4.3
CONTROLS AND INDICATORS ................................................................................ 4-1
4.3.1
FRONT PANEL CONTROLS AND INDICATORS ................................................. 4-1
4.3.2
KEYER PWB CONTROLS AND INDICATORS..................................................... 4-1
4.3.3
MODULATOR DRIVE PWB CONTROLS ............................................................. 4-1
4.3.4
MONITOR PWB CONTROLS AND INDICATORS ................................................ 4-1
4.3.5
HARMONIC FILTER CONTROLS......................................................................... 4-1
4.3.6
RF SYNTHESIZER PWB CONTROLS ................................................................. 4-1
4.3.8
+24-+48 VDC POWER SUPPLY PWB CONTROLS AND INDICATORS .............. 4-1
4.3.9
LOW VOLTAGE SUPPLY ON/OFF PWB CONTROLS......................................... 4-1
4.3.10
REMOTE INTERFACE PWB CONTROLS............................................................ 4-1
4.4
PRE-START-UP CHECKS.......................................................................................... 4-2
4.5
TURNING ON TRANSMITTER................................................................................... 4-2
4.6
RESETTING TRANSMITTERS .................................................................................. 4-2
4.7
MODULATION DEPTH WHEN USING A HIGH 'Q' ANTENNA .................................. 4-2
4.8
MODULATION PERCENTAGE INDICATION ............................................................. 4-3
