NavCom Sapphire Rev.J - Manual (Page 158)

Sapphire Technical Reference Manual Rev. J
158
1.106 LOGFILEAUTOSTART (ASCII)
SF-3050 Sapphire SF-3040
This command is used to start data logging automatically on the SD card/SD flash after power
cycling the receiver.
Command: [LOGFILEAUTOSTART] {ON,OFF}
Parameter Definition
ON
Enables auto start of data logging, but data logging does not start until after power-cycling
the receiver
OFF Disables auto start of data logging; stops data logging if data logging is currently running
Detault: OFF
When auto start for data logging is ON, data logging will start automatically on the SD device
after power cycling the receiver.
A new file is created in the “\datalog” directory when data logging starts automatically. The file
name is datalog_Year_Month_Day_Hour_Minute.dat.
When doing a graceful down (pressing the power button to turn off power or entering a
[SHUTDOWN] command), the file is closed automatically.

The [LOGFILE] command is used to query data logging status.
Examples:
[LOGFILEAUTOSTART]
Returns the current settings for auto start of data logging
[LOGFILEAUTOSTART]ON
Enables auto start of data logging, but does not start data logging immediately; the user
must power-cycle the receiver if data logging was previously OFF
[LOGFILEAUTOSTART]OFF
Disables auto start of data logging; stops data logging if data logging is currently running
The ON setting can generate an error condition during receiver power-up, depending on the
state of the SD device.
Error message(s) are generated via the [SDCARD] output stream. The [SDCARD] output
stream has to be enabled for the user to see an error message. The following list is a collection
of possible error messages: