NextWave Digital SHARK LCD - LCD Brightness and Beep Sound Adjustment

20 Shark HD 500 Series User’s Manual
LCD Brightness
Press the Brightness setting to open the keypad. Use the
keypad to adjust the LCD Brightness. Press X to exit the current
screen.
Beep Sound
Press the sound setting field at top right to open the keypad.
Use the keypad to adjust the volume of the Beep Sound. Press
X to exit the current screen.