Sanyo
ICR-B220 Instruction Manual page 13

BEEP: Selecting beep mode
ON: Every time the operation buttons are pressed, a beep sound will
be heard.
OFF: No beep sound
ERASE GUARD: Selecting erase guard mode
OFF: You may erase the data.
ON: You cannot erase the data. ("
12/24 (See Page 8.)
LCD LEVEL: Selecting the LCD display brightness
"LEVEL 1" - "LEVEL 10" can be selected.
VERSION: Showing the current firmware version
" appears on the display.)
12