6
Front and Rear Panels
•
OPERATE
: Illuminates green when power is being supplied to the clock.
•
OUT OF LOCK
: Illuminates red when the clock has not yet synchronized, or has lost
synchronization, with the GPS.
2.2.3
LCD Display
The Model 1092B and the 1093B/C contain a liquid crystal display (LCD), which provides a 20-
character by 2-line readout. The readout displays instrument status, time and event data. The
readout is also used to display the current configuration of operation parameters.
2.2.4
Enabling and Disabling the Keypad and Display
The Model 1093A/B/C and 1092A/B/C also have one or more RS-232 ports that provide control
over the operation of the keypad and display (lock, enable, blank). Refer to Section 10.2.7, in
the Serial Communication and Command Set, for a detailed description of RS-232 commands to
control the front panel. The front-panel Pushbutton Keys are described below.
Time
Sets the display to the Time Display Mode. There are four modes of the time display available and
repeated pressing of this key will cause the display to scroll through all four modes continuously.
Changing the time display has no effect on the time data, which is output from rear-panel timing
outputs.
Position
Cycles the display through the longitude, latitude, and elevation data readouts of the antenna
location according to the most recent position fix.
Event/Deviation
Selects Event and/or Deviation Data recorded by the specific clock model; up to 400 event records
or updated 1-PPS deviation data. Also, see Event Inputs in Chapters 5, 6, 8 and 9.
Status
Toggles the display between four status display modes: Clock, Receiver, DXCO and EEPROM,
including the display of GPS satellite acquisition and synchronization.
Setup
Invokes a series of menus used to adjust configurable parameters within the clock. In numeric data
entry mode, moves the cursor to the left.
Up
Used in conjunction with the Setup menus to adjust values upward, or to scroll upward through
the available menu choices. Also assists in navigating through main Setup menus in normal order.
Down
Used in conjunction with the Setup menus to adjust values downward, or to scroll downward
through available menu choices. Also assists in navigating through main Setup menus in reverse.
Содержание 1092A
Страница 4: ...iv ...
Страница 18: ...xviii LIST OF TABLES ...
Страница 129: ...C 10 Option 20A Four Fiber Optic Outputs 111 Figure C 7 Option 20A Jumper Locations ...
Страница 131: ...C 11 Option 27 8 Channel High Drive 113 Figure C 8 Option 27 Jumper Locations ...
Страница 148: ...130 Options List Figure C 10 Option 29 Connector Signal Locations ...