Ac ti vating the bias tee 4-25, Set ting the am pli tude scale 4-25, Activating the bias tee -25 – Anritsu S251B User Manual
Page 71: Setting the amplitude scale -25

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