Eggtimer Rocketry Eggtimer User Manual page 54

Eggtimer Quick Reference (Release 1.48b)
Typical Flight Sequence
1) Long Beep – Power On
2) Short Beep-Beep for 30 seconds – Programming Mode (Terminal, or hold button for Pre-Programmed Flight)
3) Pause while baseline samples are taken and self-test is executed (about 10 seconds)
4) Long Beep (Self-Test passed ) OR Beep Codes (Self-Test failed)
5) Chirping – Ready for Launch
Launch....
6) Deployment/Airstart channels fire as programmed during flight
7) At landing (< 30 ft for 5 seconds), the altitude is beeped out OR elapsed time/apogee is sent continuously over
the data port if the Telemetry option was enabled.
Beep Codes
Number of Beeps Problem
1 Battery Low ( < 2.8v)
2 Altimeter Sensor or Hardware Error
3 Breakwire open (airstarts only)
4 Channel A (Main) error - igniter/servo/battery
5 Channel B (Drogue/Airstart) error – igniter/servo/battery
Pre-Programmed Flight Settings
To program, hold button during Programming Mode (Beep-Beep after power up) until the beep code matching the
flight profile that you want to use is beeped out. Release the button, you will hear a long Beep, followed by a repeat
of the Beep Code, then the Eggtimer halts. Perform a Reset or power it down and back up before flying.
Profile No. LDA
1 100
2 200
3 100
4 200
5 200
6 200
7 200
8 200
1 – Flight Recording Only, no deployment, low-medium power
2 – Flight Recording Only, no deployment, medium-high power
3 – Single Deployment at Nose-Over, low-medium power
4 – Single Deployment at Nose-Over, medium-high power
5 – Multiple Deployment, Main at 500', medium power
6 – Multiple Deployment, Main at 500', medium-high power
7 – Multiple Deployment, Main at 800', medium power
8 – Multiple Deployment, Main at 800', medium-high power
Cable Connections/Settings
Connections: GND – Black; RX – Red/Green; TX – White
Serial Port Settings: 19200 baud, 8 bits, 1 stop bit, no parity, no handshaking
Emulation: ANSI/VT100
Ascent
Main Channel
Samples/Sec
10 Off
20 Off
10 Nose-Over
20 Nose-Over
10 500'
20 500'
10 800'
20 800'
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CHB Channel
Off
Off
Off
Off
Nose-Over
Nose-Over
Nose-Over
Nose-Over