Icom ID-800H Instruction Manual page 15

Using the HM-133
You can select the desired frequency band from the HM-133.
Push
Push or to select the band.
Then
push
QUICK REFERENCE GUIDE
3. Tune the frequency
The tuning dial will allow you to dial in the frequency you want
to operate. Pages 12 and 13 will instruct you on how to adjust
the tuning step size.
[DIAL]
Rotate [DIAL] to tune to the frequency.
Using the HM-133
You can directly enter the frequency with the HM-133 keypad
for the main band.
[EXAMPLE]: Setting frequency to 145.3625 MHz.
Push
Push
Push
Push
VIII