Shenzhen Bitvisus technology limited. Video News Co., Ltd
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3.Operation instructions
3.1. Product panel description
（ 1 ） LCD screen ： It is used to display that the real-time
operation status of control host to matrix and the keys.
（ 2 ） POWER ： This is the indicator light of working power
supply inside the chassis, which will be on after power on,
indicating that the power supply is working normally.
STATUS：Blinks when the machine processes the command,
and is normally on after processing.
（3）Numeric key 0~9.
（ 4 ） Function buttons. The function is briefly described as
follows.
AV
Switch key, interval input and
output
ALL
Switch from optional input to
