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.
You need to input the right password before start with 30 seconds, display will power off
automatically if the password was wrong.