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3.2.4 HDMI IN
DVR or other device’s HDMI out port connect to tester’s HDMI in port, the meter will display input
image.
3.3 OSD menu
Press and hold the key for 6 seconds to turn on the tester
Press and hold the key again to turn off or reboot the tester
Short press the key to enter sleep mode, press it again to turn on from sleep mode
If tester works abnormally and cannot be turned off, long press and hold the key for
several seconds to turn off, the tester should reset