Anritsu S251B - Manual (Page 71)

Step 16. Press the EDIT soft key and enter 1, 8, 8, 5 using the keypad or Up/Down Arrow
key. Press ENTER to set M1 to 1885 MHz.
NOTE:
Pressing the
ON/OFF soft key activates or deactivates the M1 marker function.
Step 17. Press the BACK soft key to return to the Markers menu.
Step 18. Repeat the above steps for markers M2, M3, and M4. Set M2 to 1910 MHz, M3
to 1965 MHz, and M4 to 1990 MHz.
Observe the bypass condition (Figure 4-21).
Activating the Bias Tee
Step 19. Press the SYS key.
Step 20. Press the OPTIONS soft key, then the BIAS TEE soft key to activate the Bias
Tee.
NOTE:
The Site Master must have Option 10A installed and the battery charger must
be connected for the bias tee to activate.
Setting the Amplitude Scale
Step 21. Press the AMPLITUDE or LIMIT key to call up the Scale menu.
Step 22. Press the TOP soft key and enter 1, 5 using the keypad or Up/Down arrow key.
Press ENTER to set the top scale to 15.
4-25
Chapter 4 Measurements
Figure 4-21. Measurement Display Showing Bypass Condition