Anritsu S412E User Manual page 56

3-7 LMR Digital Demodulation Signal Analyzers
Control Channel Measurement (not available in dPMR, PTC, or TETRA modes)
1. Press the Setup main menu and set the Rx Pattern to Ctrl Channel or Voice.
2. Press the Measurement main menu key, then press the P25 Control, P25p2 Control,
NXDN Control or DMR 2 Control submenu key twice.
3. To save control channel data for additional analysis, insert a formatted USB flash drive
into the LMR Master and turn Log Data On.
4. Set the Hex Trigger, Sweep and Set Trigger Value
and Hex Trigger Value menu are used to find a specific opcode in the Control Channel
data. To set the hex trigger value, press the Set Trigger Value menu. An on screen
keyboard will display and with the numbers 0 to 9 and the letters A to F. Enter the two
character hex value to search for. After entering the value, press Enter to set the trigger
value. Press Esc to cancel entry or changing the current hex value.
Setting Hex Trigger to On will set the Sweep function to Hold when the hex trigger value
is found in the first octet of a packet. The octet row with the found trigger value will be
displayed in the middle of the table. If Log Data is set to On, all of the data on the screen
is saved and Log Data is set to Off. When Sweep is set back to Run, the unit will
continue to collect data and stop on the next instance of the hex trigger value. To
continue to capture data to the USB flash drive, set Log Data back to On before setting
Sweep to Run mode.
Figure 3-12. Control Channel Measurement
This measurement is captured on an external USB flash drive. The captured data
Note
file can not be recalled and displayed on the instrument screen.
3-20 PN: 10580-00318 Rev. P
(Figure 3-12). The Hex Trigger menu
Quick Start Guide
S412E UG