B&K Precision 2640 - Manual - Manual (Page 50)

50
LCD Light
The LCD Light is designed to ease the use of the instrument in a dark
location.
Press the Shift key to change the upper right icon to .
And press the No. 7 (LCD Light) key.
*The Power ON/OFF of the LCD Light is toggle
STEP 1
- Press the Shift key
STEP 2
- Press the No. 7 (LCD Light) key
If the LCD light is ON, the current of battery is relatively
larger than when LCD light OFF. In other words using time of
system is shorter