Anritsu S412E Maintenance Manual page 70

5-11 Positive Train Control (PTC) Verification, Option 721 and 722
Procedure for Units with Firmware Version v1.10 and Higher
1. Connect the AC Power Adapter (Anritsu part number 40-187-R) to the S412E and then plug the power
cord of the AC Power Adapter to an AC outlet.
2. Power on the S412E and put the instrument into PTC Analyzer mode with the Menu button.
3. Preset the S412E by pressing the Shift key, then the Preset (1) key, then the Preset button on the
touchscreen.
Note Before continuing, allow a 30-minute warm up for the internal circuitry to stabilize.
4. Connect the RF cable between the Signal Generator Out and RF In connectors of the LMR Master.
5. Press the Setup main menu button and set Tx Pattern to pn9_cont_1_8000.
6. Ensure Symbol Rate is set to Half Rate
7. Press the Amplitude main menu button and set Tx Output Lvl to 0 dBm.
8. Press the Frequency main menu button and set Rx/Tx Coupling to On.
9. In the lower-right hand corner of the touchscreen press the Turn Sig-Gen ON button to turn the signal
generator on. The button will now appear as Turn Sig-Gen OFF to allow the signal generator to be
turned off when the procedure is completed.
10. Press the Frequency main menu button and set Rx Frequency to 5.5 MHz.
11. Record the EVM value in
722 PTC Verification" on page
12. Repeat Step 10 through
13. Press the Setup main menu button and set Symbol rate Full Rate.
14. Repeat Step 10 through
15. When finished press the Turn Sig-Gen OFF button to turn off the signal generator.
5-26
Table A-35, "Units with Firmware Version 1.10 and Higher, Options 721 and
A-23, and verify the value is within specification.
Step 11 for the other Frequencies listed in
Step 11 for all Frequencies listed in
PN: 10580-00324 Rev. N
Chapter 5 — Option Verification
Table A-35.
Table A-35.
S412E MM