Refer to the User Guide for selecting the TD‑SCDMA/HSDPA Signal Analyzer mode and continue with the following setups for the specific Demodulator measurements.
1. Press the Setup main menu key.
a. Press the Slot Selection submenu key. The Slot Selection window and menu open. In the list window, use the rotary knob or press the touch screen to highlight Auto or the desired slot (0 to 6), then press the Enter key.
b. Press the Trigger submenu key. The Trigger menu opens.
1. Press the Trigger Type submenu key to toggle through the three trigger types: No Trig, GPS, and Ext. The active state is underlined on the face of the submenu key.
2. Press the Ext Trigger Polarity submenu key to toggle either Rising or Falling trigger edge.
3. Press the Back submenu key to return to the Setup menu.
c. Press the Uplink Switch Point submenu key. The numerical value on the face of the submenu key turns red and is ready to be edited. Use the arrow keys or the rotary knob to change the value. You can also use the numeric keypad, then press Enter.
d. Press the SYNC‑DL Code submenu key. The SYNC‑DL Code menu and selection window open. Use the rotary knob or press the touch screen to highlight Auto or the desired code (0 to 31), then press Enter.
e. Press the Scrambling Midamble Code submenu key to open the Scrambling Code selection window and menu. Use the rotary knob or press the touch screen to highlight Auto or the desired code (0 to 127), then press the Enter key.
f. Press the Max Users submenu key to open the Maximum Users selection window and menu. Use the rotary knob or press the touch screen to highlight Auto or the desired value (2 to 16), then press Enter.
g. Press the Meas Speed submenu key to toggle through the measuring speeds: Fast, Norm, and Slow.
h. Press More to continue with setups in the Advanced Settings menu. Refer to Advanced Settings Menu for a description of available parameters.
i. Press the Back submenu key to return to the Setup menu.
CDP Data
1. Press the Measurements main menu key.
2. Press the Demodulator submenu key.
3. Press the CDP Data submenu key once to select the CDP Data measurement and press again to open the CDP Data menu.
4. In the CDP Data menu, press the CDP Units submenu key to toggle Relative or Absolute.
5. Press the Back submenu key to return to Demodulator menu.
6. Press the Back submenu key again to return to the Measurements menu.
Modulation Summary
The Modulation Summary displays the critical Modulation transmitter performance measurements in a table format by demodulating the TD‑SCDMA/HSDPA signal that is displayed in the Modulation Summary table: Slot Power, EVM, Peak EVM, Freq Error, Freq Error PPM, Tau, Noise Floor, Carrier Feed Through, and Peak CDE.
1. Press the Measurements main menu key.
2. Press the Demodulator submenu key.
3. Press the Modulation Summary submenu key to display the modulation summary table.
4. Press the Back submenu key to return to the Measurements menu.