Response 4Bh, RETOPT
This packet response returns all the options installed in the receiver. These options can also be seen in the web interface (Receiver Status / Receiver Options).
All data in the packet flows from the receiver to the data collector.
Report Packet 4Bh is sent in response to the Command 4Ah, GETOPT.
|
Byte |
Item |
Type |
Value |
Meaning |
|---|---|---|---|---|
|
0 |
STX |
1 (Char) |
02h |
Start transmission |
|
1 |
STATUS |
1 (Char) |
00h |
Receiver status code. See Receiver status byte. |
|
2 |
PACKET TYPE |
1 (Char) |
4Bh |
Command Packet Type |
|
3 |
LENGTH |
1 (Char) |
22h (34h or ??h) |
Bytes of data after this byte (excluding checksum and ETX) |
|
4 |
ELEVATION MASK / PAGE NUMBER |
1 (byte) |
5Bh |
<=90 = Elevation Mask (page 0), 91 = page 1, 92 = page 2 |
|
----- If page = 0 (page 0, 1, and 2 available) ----- |
||||
|
5 |
PDOP Mask |
1 (byte) |
|
|
|
6–30 |
RESERVED |
|
|
|
|
31–34 |
MEMORY INSTALLED |
4 (int32) |
|
Kilobytes of memory for logging |
|
35 |
% MEM USED |
1 (byte) |
|
Percent of memory used for logging |
|
36–47 |
RESERVED |
|
|
|
|
48 |
RECEIVER ID |
|
|
|
|
49–50 |
RESERVED |
|
|
|
|
51 |
FIRMWARE SUPPORT EXPIRY |
1 (byte) |
|
Months since 1 Jan 2010 |
|
52 |
RESERVED |
1 (byte) |
|
|
|
53–54 |
Extended Receiver ID |
2 (short) |
Receiver ID (which may exceed 255) |
|
|
55 |
RESERVED |
1 (byte) |
|
|
|
----- If page = 1 (page 0, 1, and 2 available) ----- |
||||
|
5 |
Number of Pages Supported |
1 (byte) |
|
|
|
6–7 |
RESERVED |
2 (short) |
|
|
|
8–9 |
RESERVED |
2 (short) |
|
|
|
10–11 |
FIRMWARE DOWNGRADE LIMIT |
2 (short) |
|
|
|
12–15 |
OPTION BLOCK BITS 0–31 (LSB is bit 0) |
4 (int) |
|
|
|
16–19 |
OPTION BLOCK BITS 32–63 (LSB is bit 32) |
4 (int) |
|
|
|
20–23 |
OPTION BLOCK BITS 64–95 (LSB is bit 64) |
4 (int) |
|
|
|
24–25 |
HARDWARE VERSION |
2 (short) |
|
|
|
26–51 |
RESERVED |
|
|
|
|
----- If page = 2 (page 0, 1, and 2 available) ----- |
||||
|
5 |
Number of Pages Supported |
1 (byte) |
|
|
|
6 |
Fields Valid |
1 (byte) |
|
If SET, the following can be used |
|
7–59 |
RESERVED |
|
|
|
|
60 |
Dithered RTK |
1 (byte) |
|
0x81 = System Dithering H: 50 cm, V: 50 cm |
|
61 |
HTTPS mode |
1 (byte) |
|
0 or 255 = None |
|
62–63 |
RESERVED |
|
|
|
|
64–65 |
CP-RTX Expiration |
2 (short) |
|
CenterPoint RTX expiration day (GPS days from 6 Jan 1980; 0 or 0xFFFF = no subscription) |
|
66–72 |
RESERVED |
|
|
|
|
73–74 |
xFill Expiration |
2 (short) |
xFill expiration day (GPS days from 6 Jan 1980; 0 or 0xFFFF = no subscription) |
|
|
75–76 |
CP-RTX-Fast Expiration |
2 (short) |
CenterPoint RTX Fast expiration day (GPS days from 6 Jan 1980; 0 or 0xFFFF = no subscription) |
|
|
77–78 |
CP-RTX Start |
2 (short) |
CenterPoint RTX start day (GPS days from 6 Jan 1980; 0 or 0xFFFF = no subscription) |
|
|
79–80 |
CP-RTX-Fast Start |
2 (short) |
CenterPoint RTX Fast start day (GPS days from 6 Jan 1980; 0 or 0xFFFF = no subscription) |
|
|
81–82 |
xFill Start |
2 (short) |
|
xFill start day (GPS days from 6 Jan 1980; 0 or 0xFFFF = no subscription) |
|
83–84 |
RESERVED |
|
|
|
|
85–86 |
Extended Receiver ID |
2 (short) |
|
Receiver ID (which may exceed 255) |
|
87–88 |
FP-RTX Start |
2 (short) |
|
FieldPoint RTX start day (GPS days from 6 Jan 1980; 0 or 0xFFFF = no subscription) |
|
89–90 |
FP-RTX Expiration |
2 (short) |
|
FieldPoint RTX expiration day (GPS days from 6 Jan 1980; 0 or 0xFFFF = no subscription) |
|
91–92 |
RP-RTX Start |
2 (short) |
|
RangePoint RTX start day (GPS days from 6 Jan 1980; 0 or 0xFFFF = no subscription) |
|
93–94 |
RP-RTX Expiration |
2 (short) |
|
RangePoint RTX expiration day (GPS days from 6 Jan 1980; 0 or 0xFFFF = no subscription) |
|
95–96 |
VP-RTX Start |
2 (short) |
|
ViewPoint RTX start day (GPS days from 6 Jan 1980; 0 or 0xFFFF = no subscription) |
|
97–98 |
VP-RTX Expiration |
2 (short) |
|
ViewPoint RTX expiration day (GPS days from 6 Jan 1980; 0 or 0xFFFF = no subscription) |
|
99–128 |
RESERVED |
1 (Char) |
|
|
|
----- End of Page Data ----- |
||||
|
|
CHECKSUM |
1 (Char) |
??h |
Checksum value. See Data collector format: packet structure. |
|
|
ETX |
1 (Char) |
03h |
End transmission |
OPTION BLOCK BITS 0–95 table
Option block bits are defined as follows: SET (1) = enabled, RESET (0) = disabled
|
Bit |
Option description |
|---|---|
|
0 |
CMR inputs |
|
1 |
CMR outputs |
|
2 |
RTCM inputs |
|
3 |
RTCM outputs |
|
4 |
N/A |
|
5 |
N/A |
|
6 |
N/A |
|
7 |
Binary outputs (RT17) |
|
8 |
Moving base |
|
9 |
N/A |
|
10 |
N/A |
|
11 |
Data logging (internal memory) |
|
12 |
N/A |
|
13 |
N/A |
|
14 |
Event markers |
|
15 |
N/A |
|
16 |
N/A |
|
17 |
N/A |
|
18 |
Bluetooth enabled |
|
19 |
Disable L2 signal tracking |
|
20 |
N/A |
|
21 |
L2CS support |
|
22 |
N/A |
|
23 |
N/A |
|
24 |
N/A |
|
25 |
N/A |
|
26 |
Disable NMEA outputs (includes NMEA 0183 and NMEA 2000) |
|
27 |
Disable VRS |
|
28 |
RTCM DGPS only |
|
29 |
Enable L5 signal tracking |
|
30 |
Support OmniSTAR and XP/HP connection |
|
31 |
Disables the use of Everest multipath mitigation |
|
32 |
GLONASS enabled |
|
33 |
Enable Web UI support |
|
34 |
N/A |
|
35 |
N/A |
|
36 |
N/A |
|
37 |
Heading mode only |
|
38 |
N/A |
|
39 |
N/A |
|
40 |
N/A |
|
41 |
Only output scrambled CMR corrections |
|
42 |
N/A |
|
43 |
N/A |
|
44 |
Disable SBAS |
|
45 |
Disable FTP |
|
46 |
N/A |
|
47 |
Disable CMRx output |
|
48 |
Disable CMRx input |
|
49 |
N/A |
|
50 |
N/A |
|
51 |
N/A |
|
52 |
BeiDou enabled |
|
53 |
N/A |
|
54 |
QZSS L1C enabled |
|
55 |
Galileo enabled |
|
56 |
N/A |
|
57 |
Enable scramble CMRx |
|
58 |
N/A |
|
59 |
N/A |
|
60 |
Enable scramble CMRx output |
|
61 |
Programmatic Interface enabled |
|
62 |
Vector antenna disabled (for dual-antenna boards) |
|
63 |
1PPS disabled |
|
64 |
Enable ProPoint firmware versions to be loaded (if supported) |
|
65 |
N/A |
|
66 |
QZSS enabled |
|
67 |
QZSS E6 tracking enabled |
|
68 |
L1 RTK support enabled (does not apply to ProPoint) |
|
69 |
N/A |
|
70 |
Wi-Fi enabled |
|
71 |
N/A |
|
72 |
N/A |
|
73 |
N/A |
|
74 |
N/A |
|
75 |
N/A |
|
76 |
Galileo E6 tracking enabled |
|
77 |
NavIC enabled |
|
78 |
BeiDou B3 tracking enabled |
|
79 |
INS mode enabled |
|
80 |
N/A |
|
81 |
GPS disabled |
|
82 |
Spectrum Analyzer enabled |
|
83 |
N/A |
|
84 |
Beidou B1C enabled |
|
85 |
N/A |
|
86 |
GPS L1C enabled |
|
87 |
IoT Security enabled |
|
88 |
N/A |
|
89 |
N/A |
|
90 |
N/A |
|
91 |
N/A |
|
92 |
Reserved for future options |
|
93 |
Reserved for future options |
|
94 |
Reserved for future options |
|
95 |
Reserved for future options |