User's Manual
Professional
FM Transceiver
21
FUNCTION MENU INTRODUCTION
Character Input
You can check the radio features by 3*4 alphabet button. Use the buttons input the subscriber alias 
or  ID and  message. Many character  need  to press the  button  few times.  Below  sheet  shows  the 
press times to get the required character.
Key  1 2 3 4 5 6 7 8 9 10 11 12 13 
1 1 , ? @ & : % : * #
2 A B C 2 
3 D E F 3 
4 G H I 4 
5 J K L 5
6 M N O 6 
7 P Q R S 7
8 T U V 8
9 W X Y Z 9 
0
0    note: press and input  “0”, long press active capital,  long press  again inactive 
capital.
* delete note: press this button to delete the character.
# space note: press this button for a space










