Command 82h, SCRDUMP (Screen dump request)

Command Packet 82h has two forms—a command packet and report packet. Both packets are assigned the same hexadecimal code (82h).

Command Packet 82h requests an ASCII representation of an OEM GNSS receiver simulated display screen. In response, Report Packet 82h sends the data used that is used to display the screen to the remote device in ASCII format.

The following table shows the packet structure.

Byte	Item	Type	Value	Meaning
0	STX	CHAR	02h	Start transmission.
1	STATUS	CHAR	See Receiver status byte.	Receiver status code.
2	PACKET TYPE	CHAR	82h	Command Packet 82h.
3	LENGTH	CHAR	0h	Data bytes count.
4	CHECKSUM	CHAR	See Data collector format: packet structure.	Checksum value.
5	ETX	CHAR	03h	End transmission.