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Commands
Command
and control is provided through a standard AX.25 data link (TNC) or a DTMF
(touch tone) sent using the keypad available on most radios.
DTMF
Commands
The
following commands are entered using the DTMF (touch tone) keypad on the
radio. Each command must be completed within 10 (ten) seconds and is
terminated with the '#' character. If a mistake is made during
entry, de-key and key your radio and enter the command again.
| DTMF
Code |
Operation |
| 50# |
Disable
auto pan |
| 51# |
Auto
pan up/horizon every 2 minutes |
| 54# |
Auto
pan horizon/down every 2 minutes |
| 55# |
Auto
pan up/horizon/down every 2 minutes |
| 57# |
Auto
pan up/down every 2 minutes |
| 53# |
Pan
up and hold |
| 56# |
Pan
horizon and hold |
| 59# |
Pan
down and hold |
| 52# |
Turn
ATV on |
| 58# |
Turn
ATV off |
|
737# |
Reset
processor |
| 411# |
APRS
current status packet |
| 412# |
APRS
position report ($GPGGA) |
| 413# |
APRS position report ($GPRMC) |
| 414# |
APRS landing estimate ($GPGGA) |
| 471# |
Cross band
repeater mode |
| 472# |
ANSR-EOSS
cross link mode |
| 473# |
Low power (1
watt) cross link |
| 474# |
High power
(5 watt) cross link |
| 475# |
Disable
CTCSS carrier detect |
| 476# |
Enable CTCSS
carrier detect |
| 4770# |
Enable/disable debug serial port |
| 477X# |
X: 1-6
listen time in 5X seconds |
| xxxx# |
Cut
down |
| xxxx# |
Reset
flight time/logs |
TNC
Commands
From the ground station, a user enters the command string. The
following are the commands support by the payload and camera
computers. The commands are sent using the UI or un-proto mode of
a standard TNC.
| Header |
Mnemonic |
Operand(s) |
Description |
| fc |
cam |
0,1,2,3,4 |
Select
automatic camera control mode. The camera position is
automatically moved every two minutes:
0 - Disable automatic control.
1 - Alternate pan up, horizon, and down.
2 - Alternate pan up and horizon.
3 - Alternate pan horizon and down.
4 - Alternate pan up and down. |
| fc |
cut |
xx |
Activate
the balloon cut down mechanism; where xx is the access code to
prevent accidental activation. |
| fc |
down |
xx |
Point
the camera down.
Move the camera up xx°. |
| fc |
horizon |
|
Point the camera at the horizon. |
| fc |
lock |
0/1 |
Enable/disable the camera servo lock. If the
servo is locked, the pulse train remains active even if the camera
is not moving. |
| fc |
out |
xx 0/1 |
Turn
output number xx on or off. |
| fc |
repeater |
0/1 |
Turn
the cross band repeater on or off. |
| fc |
reset |
|
Reset
the flight computer. |
| fc |
speed |
xx |
Set the camera pan speed to
xx°/second |
| fc |
stop |
|
Stop the camera
movement |
| fc |
time |
reset
hh:mm |
Reset
the total flight time.
Set the flight time to hours and minutes specified as hh:mm. |
| fc |
tlm |
0,1,2,3,8,9
|
Select
telemetry mode:
0 - Provide standard position and status telemetry string.
1 - Show the raw camera controller status string.
2 - Display complete GPS status string.
8 - Enable NMEA data sentences on RS-232 port.
9 - Disable NMEA data sentences on RS-232 port. |
| fc |
up |
xx (optional) |
Point the camera up.
Move the camera up xx°. |
| fc |
ver |
|
Display
the software version. |
The
following are sample commands entered on the ground terminal.
| Command |
Operation |
| fc up |
Point
the camera all the way up. |
| fc
out 2 1 |
Turn
on output number 2. |
| fc
time 1:15 |
Set
the flight time to 1 hour and 15 minutes. |
| fc
down 15 |
Move
the camera down 15°. |
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