Denso BTH-300BW User Manual page 41

Adjusting the LCD contrast
You can adjust the LCD brightness to eight contrast levels.
(1) Use the F5 and F6 keys to select the LCD CONTRAST line.
(2) To decrease the contrast, press the F7 key; to increase it, press the F8 key.
Switching the beeper & vibrator
You can choose any of three ways—beeping only, vibrating only, or beeping & vibrating as a confirmation of
completion of bar-code reading.
(1) Use the F5 and F6 keys to select the BEEPER VIBRATION line that will be highlighted in any one of
the following three states:
(2) Highlight the desired way(s) by using the F7 and F8 keys.
Adjusting the beeper volume
You can adjust the beeper volume to four levels--High, Medium, Low, and OFF.
(1) Use the F5 and F6 keys to select the BEEPER VOLUME line.
(2) To turn down the volume, press the F7 key; to turn it up, press the F8 key.
After making the above setting, press the ENT key or no key for five seconds. The new setting will be
fixed and the above screen will disappear.
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