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On Apr 5, 11:22*am, JS wrote:
You're right, it's about 100 hours. * It's just another thing to deal with at Annual time. For many people using "clear log" at Annual is sufficient to keep the gremlins away. But if you fly a lot, that isn't enough. Perhaps stick a post-it note in the logbook to remind you of when the next "clear log" is due... * SPOT batteries should get changed at each Annual too. I put 200 hours on the 2 Lithium AAs (version 1) with no problem, but doubt I'd push it another year. * At the bottom is a way to make and test a log without flying, to check 302 security. Jim Clearing the flight log memory in a 302 or 302A This may help reduce flight log security issues on future flights. Important Note: This will erase all flight logs in memory! 1. * * *Connect the 302 or 302A to a PC using the RS-232 serial cable that was supplied with the 302. 2. * * *Power the 302 or 302A with 12 volts and make sure the unit is turned-on. *The GPS antenna does not need to be connected. 3. * * *Run a terminal emulator program on the PC. *A good one to use is HyperTerminal. *It is included with most versions of Windows. *To access it go to: o * * * Start Menu / All Programs / Accessories / Communications / HyperTerminal 4. * * *In the "New Connections" window enter "302" for the Connection Name and then click the OK button. 5. * * *In the "Connect To" window, set the "Connect using" parameter to match the desired communications port. *This is the port which the RS-232 serial cable is connecting with. *It is usually COM1, COM2, etc. and will vary from PC to PC. *Then click the OK button. 6. * * *In the "COMx Properties" window set the parameters as specified below and then click the OK button: o * * * Baud Rate: 4800 o * * * Data Bits: 8 o * * * Parity: None o * * * Stop Bits: 1 o * * * Flow Control: None 7. * * *You should now see GPS data sentences appearing in the HyperTerminal window. 8. * * *Hold the "Ctrl" button on your computer's keyboard and hit the "c" button (Ctrl-c). *The flow of GPS data should stop. 9. * * *At the "cmd" prompt type: "clear log" and hit the Enter key. *I don't think there is any acknowledgement from the 302 other than that the "cmd" prompt reappears. Checking the 302 logger with HyperTerminal: * Connect as above Ctrl C Type START Allow it to log 10 minutes. Type STOP * Then download the log with the CAI 302 utility and check security. Thanks JS. Somehow, I though the point of the memory upgrade was to avoid having to do this... -T8 |
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