Amprobe ACD-330T Clamp-On-Multimeter - Manual (Page 20)

AUTO POWER OFFAND SLEEPMODE
There are two modes for power saving:
1) The instrument will enter the "sleep" mode within 15 minutes, unless:
1-1. Any push buttons have been pressed
1-2. The rotary switch has been changed to another function
1-3. The unit has been set to Dynamic recording mode
1-4. The unit has been set to 1 ms PEAK hold mode.
1-5. The auto power off has been disabled with powerup option
2) In the sleep mode, the LCD will display a blinking "@OFF, . . . "annunciator.
2-1. To wake-up sleep mode, press any push button for 0.5 sec or
rotate rotary switch.
2-2. Without wake-up, after 15 minutes, the meter will automatically
shut off completely.
3) You must turn the rotary switch to the OFF position, then turn it back to a function to
activate the meter after an auto power off.
Figure 11. Sleep Mode
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