User`s manual

Chapter 2. Getting Started the BHT-5000 and System Mode

2.3.3 Adjusting the LCD Contrast & Beeper Volume,

and Displaying the Battery Voltage Level

[ 1 ] Adjusting the LCD Contrast & Beeper Volume

While holding down the trigger switch, turn on the PW key, and the following screen

will appear on the LCD. This screen will disappear if no keys are pressed for five

seconds.

LCD CONTRAST

BEEPER VOLUME

(The current selection is reverse-displayed.)

Adjusting the LCD contrast

You can adjust the LCD brightness to eight contrast levels.

1) Use

* and

* keys to select the LCD Contrast line.

2) To decrease the contrast, press

* key; to increase it, press

* key.

Adjusting the beeper volume

You can adjust the beeper volume to four levels from OFF to MAX.

1) Use

* and

* keys to select the Beeper Volume line.

2) To turn down the volume, press

* key; to turn it up, press

* key.

After making the above setting, press ENT key or press no keys for five seconds, and

the new setting will be set and the above screen will disappear.

* For BHT-5000s having a 26-key pad, use F5 , F6 , F7 and F8 keys instead of

, and

keys, respectively