Dytran Instruments, Inc. 21592 Marilla St. Chatsworth, CA 91311 Phone: (818) 700-7818 Website:
email: [email protected]
Page | 12
VIII.
Data recording considerations
The VibraCorder is designed to be powered with a rechargeable Li-Po battery. The minimum
continuous recording time is defined as 15 hours. The recording will be automatically broken down to
multiple files of the user selected size. No data shall be lost between files (internal buffer shall store
information during new file creation process). That means if the recorder is left in free run or time
triggered mode, it will record the data TEST#001.txt (in this example, the first four characters of the
file name are generic – if user selects nothing in the file name field during the config.txt creation), then
it will close TEST#001.txt, open new file TEST#002.txt and continue the recording. It will execute that
operation every time the specified file size is reached until it reaches TEST#999.txt or the battery runs
out. In case the battery runs out earlier than TEST#999.txt file name is reached, the VibraCorder will
close the current acquisition file and shut itself down.
The tables below show LED troubleshooting codes for any possible issues during the start-up:
Table 1: Possible startup issues:
orange light blinks:
0.1 sec
Insert the card
0.2 sec
Config file contains improper settings
0.5 sec
Config file not found
0.7 sec
Config file corrupted
1 sec
Incompatible card
Table 2: File name issues
Blue left blinks
0.2 sec
File name overflow
0.5 sec
Improper run type
IX.
Serial Interface
The device has a built-in serial interface for calibration and settings. Any terminal application can be
used to access the communication protocol. In order to access the settings mode, the following steps
must be taken:
1.
Connect the device to a PC with terminal application installed. The device must be powered off
2.
After the USB interface enumerates the device, check the device manager to identify the virtual
COM port number assigned to the device by the PC
3.
Setup serial communication parameters as shown below
