Celestron NexStar 4SE Computerized Telescope NexStar Communication Protocol v - Page 5

GPS Commands, Response, Command Function, Hand Control, Applies to, Versions

Page 5 highlights

Get Location Set Location Get Time Set Time "w" "W" & chr(A) & chr(B) & chr(C) & chr(D) & chr(E) & chr(F) & chr(G) & chr(H) "h" "H" & chr(Q) & chr(R) & chr(S) & chr(T) & chr(U) & chr(V) & chr(W) & chr(X) Response chr(A) & chr(B) & chr(C) & chr(D) & chr(E) & chr(F) & chr(G) & chr(H) & "#" "#" 2.3+ 2.3+ chr(Q) & chr(R) & chr(S) & chr(T) & chr(U) & chr(V) & chr(W) & chr(X) & "#" "#" 2.3+ 2.3+ GPS Commands The following table shows various commands that can be sent to a GPS unit. Note: all units of time are in UT. Command Function Is GPS Linked? X > 0 if linked, 0 if not linked PC Command "P" & chr(1) & chr(176) & chr(55) & chr(0) & chr(0) & chr(0) & chr(1) Hand Control Response chr(x) & "#" Applies to Versions 1.6+ Get Latitude "P" & chr(1) & ((x*65536)+(y*256)+z)/(2 chr(176) & chr(x) & chr(y) & chr(z) & 1.6+

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8

Response
Get Location
“w”
chr(A) &
chr(B) &
chr(C) &
chr(D) &
chr(E) &
chr(F) &
chr(G) &
chr(H) &
“#”
2.3+
Set Location
“W” &
chr(A) &
chr(B) &
chr(C) &
chr(D) &
chr(E) &
chr(F) &
chr(G) &
chr(H)
“#”
2.3+
Get Time
“h”
chr(Q) &
chr(R) &
chr(S) &
chr(T) &
chr(U) &
chr(V) &
chr(W) &
chr(X) &
“#”
2.3+
Set Time
“H” &
chr(Q) &
chr(R) &
chr(S) &
chr(T) &
chr(U) &
chr(V) &
chr(W) &
chr(X)
“#”
2.3+
GPS Commands
The following table shows various commands that can be sent to a GPS unit.
Note:
all units of time are in UT.
Command Function
PC Command
Hand Control
Response
Applies to
Versions
Is GPS Linked?
X > 0 if linked, 0 if
not linked
“P” &
chr(1) &
chr(176) &
chr(55) &
chr(0) &
chr(0) &
chr(0) &
chr(1)
chr(x) &
“#”
1.6+
Get Latitude
((x*65536)+(y*256)+z)/(2
“P” &
chr(1) &
chr(176) &
chr(x) &
chr(y) &
chr(z) &
1.6+