Extech Instruments 382100

32 382100-en-US_V2.8 02/22
5.8 – LCD Backlight Key
Press to turn the backlight ON or OFF. Note: Use of the backlight will reduce battery lifespan.
5.9 – Current (A) RANGE Key (AUTO / MANUAL RANGE)
1. Use the A RANGE KEY to step through the available display ranges
2. Press and hold the A RANGE KEY for at least for 2 seconds to change from MANUAL
RANGE to AUTO RANGE
Fig. 5-9a
Fig. 5-9b