Land Mobile Radio Analyzer and Coverage Measurement Guide : P25 Phase 2 Analyzer (Option 521) : P25p2 Bit Capture
 
P25p2 Bit Capture
Note 
This measurement is captured on an external USB flash drive. The captured data file cannot be recalled and displayed on the instrument screen.
The LMR Master can provide and log raw bits (pre Forward Error Correction) when the Rx Pattern is set to Voice.
1. From the Frequency main menu, set the receiver frequency (Rx Freq).
2. From the Setup main menu, choose Voice as the Rx Pattern.
3. From the Measurement main menu press the P25p2 Bit Capture submenu key twice.
4. To log data, insert a formatted USB flash drive in the LMR Master and set Descrambling to On to decrypt the data stream based on the WACN ID, System ID, and Color Code settings.
5. Set Log Data to On to start the bit capture. The information will be written to a data stamped folder inside the /usr folder on the root level of the USB flash drive. The tab delimited text file contains the header and table information shown in Figure: P25p2 Bit Capture Display. The files are named:
BIT_CAP_LOGyearmonthdaytime.p252
P25p2 Bit Capture Display