8.8 Clock: Clock setting, press MENU button get into the clock setting menu, press
UP/DOWN button to set Year/Month/Day/Hour/Min/Sec.
Note: There is a rechargeable battery inside display, it keeps the clock running when display is powered off.
The battery can be charged by the external power when display is power on. This battery can maintain
clock running for 100-120 days while it has not been charged. Battery may be exhausted after long time
unused (after winter or transportation), you need to recharge the battery as below.
Set Menu: Auto off -> OFF (make display can’t power off automatically)
Keep the display power on for 72 hours, it can charge the battery.
8.9 Start password: Press MENU 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.