Technical data

1-8 Service Guide 85309-90082
Getting Started LO/IF Distribution Unit
Step 4. (Option 40x Only): Set the 85309B Band Selection 85309B
Step 4. (Option 40x Only): Set the 85309B Band Selection
The Band Selection knob on the front panel of the 85309B Option 400/401/402 models allows the user to
switch between the low band, high band, and external selections. For more information, refer to “85309B
Front Panel Features” on page 2-3.