Base diagnostic: connect the data logger to a new 12 V battery. (A small 12 V battery carrying a
full charge would be a good thing to carry in your maintenance tool kit.) Ensure correct polarity
of the connection. If the data logger powers up and works, troubleshoot the data logger power
supply.
When diagnosing or adjusting power equipment supplied by Campbell Scientific, it is
recommended you consider:
l Battery-voltage test
l Charging-circuit test (when using an unregulated solar panel)
l Charging-circuit test (when using a transformer)
l Adjusting charging circuit
If power supply components are working properly and the system has peripherals with high
current drain, such as a satellite transmitter, verify that the power supply is designed to provide
adequate power. For additional information, see Power budgeting (p. 120).
9.8 Using terminal mode
Table 9-1 (p. 138) lists terminal mode options. With exception of perhaps the C command,
terminal options are not necessary to routine CR6 operations.
To enter terminal mode, connect a computer to the CR6. See Setting up communications with
the data logger (p. 19). Open a terminal emulator program from Campbell Scientific data logger
support software:
l Connect window > Datalogger menu item> Terminal Emulator...
l Device Configuration Utility Terminal tab
After entering a terminal emulator, press Enter a few times until the prompt CR6> is returned.
Terminal commands consist of specific characters followed by Enter. Sending an H and Enter will
return the terminal emulator menu.
ESC or a 40 second timeout will terminate on-going commands. Concurrent terminal sessions are
not allowed and will result in dropped communications.
Terminal commands are subject to change. Please consult Campbell Scientific for assistance if
you are not familiar with the effects of a command.
9. Tips and troubleshooting 137
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