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REFERENCE MANUAL - FTP Directory Listing - Trimble

REFERENCE MANUAL - FTP Directory Listing - Trimble

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A<br />

TRIMBLE STANDARD INTERFACE PROTOCOL (TSIP)<br />

Command Packet 0x8E-2B - Request Fix and Channel Tracking Info, Type 2<br />

This packet requests Packet 0x8F-2B or marks it for automatic output. If only the first<br />

byte (packet sub-code 0x2B) is sent, an 0x8F-2B report containing the last available<br />

data will be sent immediately. If two bytes are sent, the packet is marked/unmarked<br />

for auto report according to the value of the second byte as shown in below.<br />

To retain the auto-report setting for this packet, first set the setting accordingly and<br />

then save to non-volatile memory by issuing the packet 0x8E-26.<br />

Table A.63<br />

Command Packet 0x8E-2B<br />

Byte Item Type Value Definition<br />

0 Packet sub-code UINT8 0x2B Packet sub-code<br />

1 Mark for Auto-report UINT8 0,1 0 = do not auto-report<br />

1 = mark for auto-report<br />

Command Packet 8E-4A - Set/Request Lassen iQ GPS Cable Delay<br />

and PPS Polarity<br />

Using this packet, you can query and control the Lassen iQ GPS cable delay<br />

characteristics. The receiver responds to a query or control command with packet 8F-<br />

4A. The packet contains 16 bytes.<br />

Table A.64<br />

Command Packet 8E-4A<br />

Byte Item Type Meaning<br />

0 Sub-packet ID BYTE Always 0x4A<br />

1 Reserved<br />

2 Reserved<br />

3 Polarity BYTE 0 Positive<br />

1 Negative<br />

4-11 PPS Offset of Cable Delay DOUBLE Seconds (default=0.0)<br />

12-15 Reserved<br />

Command Packet 0x8E-4F - Set PPS Width<br />

This command packet sets the PPS width to a value in the range of 100 microseconds<br />

to 500 milliseconds. The receiver returns packet 0x8F-4F. The current PPS width can<br />

be requested by sending this packet with no data bytes except the subcode byte.<br />

Table A.65<br />

Command Packet 0x8E-4F<br />

Byte Item Type Value Meaning<br />

0 Subcode BYTE 0x4F<br />

1-8 PPS width DOUBLE Seconds<br />

168 Copernicus GPS Receiver

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