6 terminal emulator – Campbell Scientific RTDAQ Software User Manual
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Section 4. The RTDAQ Main Screen
4.6.3.6 Terminal Emulator
Terminal Emulator emulates a terminal connected to a datalogger or 
communications device. Terminal Emulator comes up showing a blank 
screen. Clicking on Select Device shows a list of devices known to RTDAQ. 
Selecting a device and baud rate, and then clicking Open Terminal causes 
RTDAQ to attempt to connect with that device. If the device is a datalogger, 
RTDAQ will call the datalogger over whatever communications link has been 
established and will attempt to get a prompt from that datalogger. If the device 
is a root device, such as a serial or COM port, RTDAQ simply opens that port 
at the specified baud rate. 
Terminal Emulator has several uses. If you open a COM port, you can use it to 
set up devices that present their own menus, such as RF400 radios or NL100s. 
See the manuals for those devices to obtain information on how to navigate the 
menus and what settings to choose. 
Another potential use is to communicate with smart devices attached to the 
datalogger. Some dataloggers allow a “pass-through” mode whereby you can 
communicate through them to an attached SDI-12 sensor to set its address or 
other parameters. See the manuals for the datalogger and sensor for the 
relevant commands. 
Troubleshooting communications devices is another use for Terminal 
Emulator. When calling for support on these devices, an applications engineer 
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