Operation263.19 Auto offAuto off turns the meter off when there is no activity for a period of time after a keyis pushed. The default time is 15 seconds, and 60 seconds in the CAL (calibration)mode. This time may be adjusted up to 75 seconds.1. Push any measurement key.2. Push the MR/DOWN key repeatedly until the display shows Auto oFF. Toquickly scroll through all stored memory records, hold down MR/DOWN.3. Push the CAL/MCLR key to begin. The CAL icon displays above the 15 SECdisplay.