1-KEY_LEFTCTRL=shut_up
1-KEY_RIGHTCTRL=shut_up
1-KEY_KP8=curr_line
1-KEY_KP7=prev_line
1-KEY_KP9=next_line
1-KEY_KP5=curr_word
1-KEY_KP4=prev_word
1-KEY_KP6=next_word
1-KEY_KP2=curr_char
1-KEY_KP1=prev_char
1-KEY_KP3=next_char
1-KEY_KPDOT=exit_review
2_KEY_KP0,1_KEY_F2=toggle_braille_enable
2_KEY_KP0,1_KEY_F3=toggle_sound_enable
2_KEY_KP0,1_KEY_F4=toggle_speech_enable