SECTION 3
OPERATION
3.0
INTRODUCTION................................................................................................................... 3-1
3.1
FRONT PANEL FUNCTIONS .............................................................................................. 3-1
3.1.1 Display
3-1
3.1.2 GPS Lock Lamp
3-1
3.1.3 Time Sync Lamp
3-2
3.2
REAR PANEL FUNCTIONS ................................................................................................. 3-3
3.2.1 GPS Antenna
3-3
3.2.2 Standard 10 MHz Output
3-3
3.2.3 1PPS Output
3-3
3.2.4 FAA IRIG B Outputs
3-4
3.2.5 RS-232 Serial Communication Ports
3-5
3.2.6 Remote Outputs
3-6
3.2.7 Serial Setup Interface
3-7
3.2.8 Status Messages
3-8
3.2.9 DC Power
3-10
3.2.10 Chassis Ground
3-10
3.3
DATA FORMAT DESCRIPTION .......................................................................................... 3-10
3.3.1 Format 0
3-11
3.3.2 Format 1
3-13
3.3.3 Format 2
3-14
3.3.4 Format 3
3-16
3.3.5 Format 4
3-18
3.3.6 Format
90
3-19
3.4
REMOTE OUTPUT USAGE ................................................................................................. 3-21
3.4.1 RS-485 Guidelines
3-21
3.4.2 Connection Method
3-22
3.4.3 Termination
3-30
SECTION 4
SOFTWARE COMMANDS
4.0
INTRODUCTION................................................................................................................... 4-1
4.1
ANTENNA CABLE DELAY ................................................................................................... 4-3
4.2
DISPLAY OUTPUT CONFIGURATION................................................................................ 4-4
4.3
DISPLAY ALARM LOG......................................................................................................... 4-5
4.4
DATE..................................................................................................................................... 4-6
4.5
RESTORE FACTORY DEFAULTS....................................................................................... 4-7
4.6
DISPLAY TRACKING HISTOGRAM .................................................................................... 4-8
4.7
DAYLIGHT SAVING TIME.................................................................................................... 4-10
4.8
FRONT PANEL FORMAT..................................................................................................... 4-13
4.9
GPS SIGNAL STRENGTH ................................................................................................... 4-15
4.10 HELP
DISPLAY..................................................................................................................... 4-18
4.11 IRIG CONFIGURATION ....................................................................................................... 4-19
4.12 LOCATION............................................................................................................................ 4-20
4.13 GPS LOCK TIME OUT.......................................................................................................... 4-21
4.14 REMOTE OUTPUT CONFIGURATION ............................................................................... 4-22
4.15 RESET GPS RECEIVER ...................................................................................................... 4-23
4.16 SERIAL COMM CONFIGURATION...................................................................................... 4-24
4.17 SET MODE ........................................................................................................................... 4-26
4.18 STATUS COMMAND............................................................................................................ 4-27
4.19 SYNC TIME OUT .................................................................................................................. 4-28
4.20 TIME...................................................................................................................................... 4-29
4.21 TEST MODE ......................................................................................................................... 4-30
4.22 VERSION COMMAND.......................................................................................................... 4-31