BTS Master MT8221B and MT8222B : Basic Measurement Setups : Set the Measurement Frequency
  
Set the Measurement Frequency
Using Start and Stop Frequencies
1. Press the Freq main menu key. In Cable & Antenna Analyzer mode, press the Freq/Dist main menu key.
2. Press the Start Freq submenu key.
3. Enter the desired start frequency. When entering a frequency using the keypad, the submenu key labels change to GHz, MHz, kHz, and Hz. Press the appropriate unit key. Pressing the Enter key has the same affect as pressing the MHz submenu key.
4. Press the Stop Freq submenu key.
5. Enter the desired stop frequency.
Entering Center Frequency
1. Press the Freq main menu key.
2. Press the Center Freq submenu key.
3. Enter the desired center frequency by using the keypad, the arrow keys, or the rotary knob. When entering a frequency using the keypad, the submenu key labels change to GHz, MHz, kHz, and Hz. Press the appropriate unit key. Pressing the Enter key has the same affect as pressing the MHz submenu key.
The current setting is shown at the top of the instrument settings summary column on the left side of the measurement display.
Selecting Signal Standard
1. Press the Freq main menu key.
2. Press the Signal Standard submenu key. The Signal Standards dialog opens.
3. Highlight a signal standard and press Enter or the rotary knob to select.
4. Press the Channel submenu key to change the channel value in the Channel Editor.
Note 
The signal standards list on your BTS Master can be updated via Master Software Tools.
Setting Measurement Frequency Bandwidth
Spectrum Analyzer and Interference Analysis Mode
1. Press the BW main menu key to display the BW menu.
Press the RBW or the VBW submenu key (or both) to manually change values.
Set RBW and VBW automatically by pressing the Auto RBW submenu key or the Auto VBW submenu key.
2. Press the RBW/VBW submenu key to change the resolution bandwidth and video bandwidth ratio.
3. Press the Span/RBW submenu key to change the span width to resolution bandwidth ratio.