APT 850C - Clock Configuration; Startup Password Management

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8.7 Clock : Clock setting, press POWER button get into the clock setting menu, press
UP/DOWN button to set Year/Month/Day/Hour/Min/Sec.
8.8 Start password : Press POWER button get into the password setting menu. If you
had set Start input ON, you must input right password before power on, password is
accorded to your setting.