90
Startup and Basic Operation
Deviation Display
1 PPS: 0.00
µ
S
SIGMA: 0.00
µ
S
10.2.5
IRIG-B Time Data
IRIG-B time is immediately sent out, when the clock is powered ON, from any timing output
port configured for IRIG-B as indicated above. Time will not be accurate until the Unlocked LED
extinguishes.
10.3
Clock Status Display Mode
When first applying power to the clock, the display will indicate several startup messages, then
will revert to Clock Status mode condition called STARTUP. After a short time, while the GPS
receiver begins collecting data from the GPS, it will indicate either UNLOCKED (XX Min), NOT
STABILIZED, LOCKED–AUTO SURVEY, or LOCKED–POSITION HOLD. If they exist, faults
are indicated as follows:
Bit
Weight
Function
0
1
OCXO Not Installed (set to 1)
1
2
Stabilized (stabilized = 1)
2
4
Power Supply Error
3
8
IRIG BUS Fault (was Opt. 18)
4
16
Out of Lock
5
32
Time Error
6
64
VCXO Error
7
128
Receiver Failure
Table 10.1: Fault Conditions
For additional information on internal faults, please see Section 2.3.5, Section 8.1.3 and the
System Status command including Table 9.3 starting on page 73.
10.4
Time Display Modes – 1084B/C
After establishing GPS satellite synchronization, date and time information can be displayed on
the front panel by pressing the TIME key and scrolling through the four available displays. Press
this key to select the time display mode (UTC or Local) time data (Date/Time or Day of Year).
Содержание 1084A
Страница 4: ...iv ...
Страница 6: ...vi ...
Страница 18: ...xviii LIST OF FIGURES ...
Страница 23: ...1 4 Attaching Rack Mount Ears to 1084A B C Series Clocks 3 Figure 1 2 Attaching Rack Mount Ears ...
Страница 24: ...4 Unpacking the Clock ...
Страница 36: ...16 Connecting Inlet Power Input and Output Signals ...
Страница 39: ...4 1 GPS Antenna Installation 19 Figure 4 2 Antenna Mounting Bracket Figure 4 3 Antenna Mounting with AS0044600 ...
Страница 44: ...24 GPS Antenna and Cable Information ...
Страница 114: ...94 Startup and Basic Operation ...
Страница 123: ...B 4 Physical Dimensions 103 Figure B 1 Suggested Mounting of the AS0094500 Surge Arrester ...
Страница 124: ...104 Using Surge Arresters ...
Страница 134: ...114 Options List C 6 2 Option 06 Firmware Setup Figure C 3 Option 06 Firmware Setup ...
Страница 142: ...122 Options List Figure C 5 Option 06 Output Jumper Settings ...
Страница 143: ...C 6 Option 06 Parallel BCD Output 1 millisecond Resolution 123 Figure C 6 Option 06 Board Layout and Jumper Locations ...
Страница 157: ...C 10 Option 17 Parallel BCD Output and Second RS 232C Port 137 Figure C 12 Option 17 Output Jumper Settings ...
Страница 158: ...138 Options List Figure C 13 Option 17 Board Layout and Jumper Locations ...
Страница 163: ...C 13 Option 20A Four Fiber Optic Outputs 143 Figure C 14 Option 20A Jumper Locations ...
Страница 170: ...150 Options List Figure C 16 Option 23 Internal Jumper Setup ...
Страница 172: ...152 Options List Figure C 17 Option 27 Jumper Locations ...
Страница 190: ...170 Options List Figure C 20 Option 29 Connector Signal Locations ...
Страница 246: ...226 Options List ...