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Provides an overview of the XL-DC Time and Frequency Receiver and its capabilities.
Details the manufacturer's warranty terms, conditions, and limitations for the product.
Outlines the legal limitations of liability for damages incurred by the product's use.
States the confidential and proprietary nature of the document and its contents.
Lists the physical dimensions, weight, and mounting details of the XL-DC receiver and accessories.
Details the operating and storage temperature, and humidity limits for the unit.
Specifies the AC and DC power requirements and consumption for the XL-DC receiver.
Describes the type, life, and usage of the internal battery for memory backup.
Defines the accuracy and stability performance for timing and frequency outputs.
Details the serial data port specifications, including data rates, bits, and protocols.
Lists the available input and output signals and their connection methods via BNC connectors.
Explains the connection and general format for the serial port interface.
Provides a general overview of the XL-DC receiver, antenna unit, and cable components.
Outlines the step-by-step process for installing the XL-DC receiver and connecting components.
Provides guidance on interconnecting the XL-DC with an external oscillator for optimal performance.
Describes the procedure for mounting the XL-DC unit into a standard 19-inch rack system.
Introduces the section on operating the XL-DC receiver and understanding its keypad functions.
Explains the general operational principles, including keypad and serial interface usage.
Details the initial messages and displays shown during the XL-DC receiver's power-up sequence.
Describes the process and factors affecting satellite signal acquisition for time synchronization.
Explains the three primary operational modes: AUTO, SURVEY, and TIME.
Details the AUTO mode for a simplified GPS receiver start-up and installation process.
Describes the SURVEY mode for dynamic or pseudo-static platform applications.
Explains the TIME mode for accurate, averaged position-based timing solutions.
Describes how time quality is indicated and the thresholds used for error reporting.
Covers the basic operation of the 16-key keypad for entering functions and data.
Provides rules and guidelines for selecting and entering data for keypad functions.
Lists all available keypad functions, their descriptions, and default power-up states.
Explains how to use Keypad Function 00 to get descriptions of all available keypad functions.
Details how to set or request the time zone offset for the receiver.
Describes how to configure the serial port parameters like baud rate and data bits.
Explains how to enable/disable time quality indicators and set error thresholds.
Covers enabling or disabling the keypad lockout feature to prevent accidental entries.
Details how to enable or disable phase locking to an external oscillator.
Explains how to request the worst-case time error during periods without satellite tracking.
Describes how to set parameters for an external oscillator used for disciplining.
Explains how to enable or disable emulation mode for compatibility with older systems.
Lists the serial port commands available when emulation mode is enabled.
Details how to set the serial port to output time messages once per second.
Explains how to alter the format of the time output string for serial functions.
Describes how to control the slow code output pulse widths.
Explains how to obtain information about the installed system and GPS-XL software versions.
Details how to measure time intervals or event timing relative to the XL-DC time.
Explains how to set up and perform frequency offset measurements.
Covers entering or requesting the current antenna position for initialization.
Describes how to enter or request antenna cable delay compensation.
Explains how to enter or request distribution cable delay compensation.
Details how to select the operating mode (AUTO, SURVEY, TIME).
Covers selecting units for altitude display (feet or meters).
Explains how to enter or request the accurate, averaged antenna position.
Describes how to list tracked or bad satellites and their signal strengths.
Details how to select or deselect specific satellites for the receiver to track.
Explains how to enable or set entry/exit times for Daylight Saving Time.
Covers manually entering the year via serial for calendar calculations.
Describes selecting the displayed and output time type (LOCAL, STD, GPS, UTC).
Explains how to request oscillator phase, frequency offset, drift rate, and DAC value.
Details how to display the status of various fault detectors within the XL-DC.
Covers controlling and monitoring alarm/fault conditions and their contribution to outputs.
Describes how to issue a reset command to the GPS core module for a warm start.
Explains the general format for serial commands and data strings exchanged with the unit.
Lists common error messages returned by the serial port and their meanings.
Provides a comprehensive list of all available serial functions and their parameters.
Details how to set or request the time zone offset via serial commands.
Explains how to set or request the time display format (12-hour or 24-hour).
Covers entering or requesting the current time and date via serial commands.
Details enabling/disabling time quality indicators and setting error thresholds via serial.
Explains how to enable/disable keypad lockout via serial commands.
Details how to enable or disable external oscillator phase locking via serial.
Describes enabling continuous time output once per second via serial.
Explains how to enable time-of-day string output upon request via serial.
Details how to request or enter the time output string format via serial.
Explains how to request the estimated worst-case time error via serial.
Describes setting external oscillator parameters via serial commands.
Explains how to enable or disable exclusive use of serial or IEEE ports via serial.
Details how to set pulse widths for the optional slow code output via serial.
Explains how to request software version information via serial.
Describes setting parameters for the programmable pulse output via serial.
Details how to request time interval or event times via serial.
Explains how to set up and perform frequency measurements via serial.
Covers entering or requesting antenna position via serial commands.
Describes setting antenna cable delay compensation via serial.
Explains setting distribution cable delay compensation via serial.
Details how to select operating modes via serial commands.
Covers selecting altitude units (feet/meters) via serial.
Explains entering or requesting the average position via serial.
Describes requesting a list of satellites via serial.
Details selecting or deselecting satellites via serial commands.
Explains setting DST entry/exit times via serial.
Covers manually entering the year via serial for calendar calculations.
Describes selecting the time type (LOCAL, STD, GPS, UTC) via serial.
Explains requesting oscillator statistics via serial.
Details requesting fault status via serial commands.
Covers controlling and monitoring alarms/faults via serial commands.
Describes initiating a warm start via serial command.
Introduces the IRIG standard time codes and their applications.
Describes the structure and segments of IRIG B, H, and E time codes.
Explains the time error flags encoded within the IRIG B code's control segment.
Details the special IRIG B format that embeds GPS data and time error flags.
General| Update Rate | 1 Hz |
|---|---|
| Operating Temperature | -40 to 85°C |
| Output Frequency | 10 MHz |
| Protocols | NMEA |
| Output Signal | 1 PPS |
