Maycom FR-100 User's Operating Manual page 9

4. Band Button
FR-100 has five bands.
A Band : 66 - 88 NFM(Narrow FM)
b Band : 88 - 108 WFM (Wide FM Broadcasting)
C Band : 108 - 136 AM
d Band : 136 - 174 NFM
E Band : 420 - 470 NFM
To select the wanted band, pressing "BAND" button. Each band will be
accessed with following turn.
When you press the "BAND" button, the last used frequency per band
will be displayed on the LCD.
5. MEM button
This FR-100 receiver contains a 30 memory locations for each band
where desired frequencies can be programmed by the user.
1) Frequency Memory
Programming of the desired frequencies memory can be carried out in
the following ways.
10
25KHz Step
100KHz Step
10KHz Step
20KHz Step
12.5KHz Step