Depending on the length of time the power was interrupted, your system may require GPS initialization.

If initialization is not necessary, the system proceeds directly to the Startup Confirmation screen.
If the system fails to locate a sufficient number of satellites to locate your position within 10 minutes, the following screen is displayed.

If you are experiencing GPS reception problems:
Brake and Clutch Fluid
Check the brake fluid level in the reservoirs monthly.
Replace the brake fluid according to the time recommendation in the maintenance
minder schedule.
Always use Honda Heavy Duty Brake Fluid DOT ...
Engine Oil Filter Feed Pipe Replacement
Remove the filter.
Remove the oil filter feed pipe.
Install two 20 x 1.5 mm nuts (A) onto the new oil filter feed pipe, and
hold one nut with a wrench, then ti ...
AM/FM Radio Reception
Radio Frequencies
The radio can receive the complete AM and FM bands.
Those bands cover these frequencies:
AM band: 530 to 1,710 kHz
FM band: 87.7 to 107.9 MHz
Radio stations on the AM band are a ...