Download Eggtimer TRS Flight Computer User`s Manual

Eggtimer TRS Quick Reference (Release 1.5A)
Typical Flight Sequence
1) Long Beep – Power On
2) Slow Beep-Beep for 45 seconds – Eggfinder LCD pairing mode
3) Fast Beep-Beep for 30 seconds – Cabled Programming Mode
4) Pause while baseline samples are taken and self-test is executed (about 10 seconds)
5) Long Beep (Self-Test passed ) OR Beep Codes (Self-Test failed)
6) Chirping – Ready for Launch
Launch….
7) Deployment channels fire as programmed during flight
8) At landing (< 30 ft for 5 seconds), the apogee is sent continuously over the radio
Beep Codes
Number of Beeps
1
2
3
4
5
Problem
Battery Low ( < 6.5v)
Altimeter Sensor or Hardware Error
GPS error (no feed)
Main error – igniter or battery problem
Drogue error – igniter or battery problem
Cable Connections/Settings
Connections: GND – Black; RX – White; TX – Green
Serial Port Settings: 9600 baud, 8 bits, 1 stop bit, no parity, no handshaking
Emulation: ANSI/VT100
Monitor Mode
To enter Monitor Mode, connect the terminal cable, start your terminal program, and hold the Button down while
powering on the Eggtimer TRS. You will see a “MON>” prompt on your terminal screen. Hit the one-character
monitor code to perform the function, some of them also require that you press the Button to start them;
Monitor Codes:
0 - Dump LAST USED memory page to data port in .CSV format
A - Dump ALL memory pages to data port in .CSV format (this takes awhile…)
E - Dump the processor’s EEPROM to data port in .CSV format (for tech support use)
M - Fire Main channel for 2 seconds
(you need to press the Button to fire the channel)
D - Fire Drogue channel for 2 seconds
(you need to press the Button to fire the channel)
Programming Screen
Eggtimer TRS 1.5A
MY EGGTIMER
A
B
Flight Settings
1
700
Drogue <0=OFF,1=Nose-Over,2=Backup>
Main Altitude <100-2000 by 50, 0=OFF>
900
0
Frequency (Ctrl-F to Change)
ID Code
Options: Letter to Change, ESC to Save
- 48 -
T:23.50
P:97804.00
A:975.39
Main:1
Drogue:1
Batt:7.74