Icom IC-746PRO Manual page 43

• The transceiver has 2 VFOs and are called VFO A and VFO B. You
can use the desired VFO to call up a frequency and operating mode for
your operation.
• Selecting the VFO A/B
– Push [A/B] to switch between the VFO A and VFO B.
• "VFO A" or "VFO B" appears.
• Use two VFOs as a quick memory
– When you find a new station, but you wish to continue searching, the Two
VFO system can be used for quick memory storage.
• VFO equalization
– Push [A/B] for 1 sec. to equalize the undisplayed VFO condition to the
displayed VFO.
• 3 beeps sound when the VFO equalization is completed.
Dual VFO