33
Installation – applying electrical power
Applying electrical power to
the interface
WARNING: Before switching on
electrical power, ensure the machine is
safe to work on.
1. Ensure that the NCi-4 interface and air
supplies have been connected correctly.
2. Switch on electrical power to the interface.
3. Check that the status LED on each of the
NC4 transmitter and receiver units is lit.
!
Power loss and restoration
If electrical power to the NCi-4 interface is lost
and then subsequently restored when the NC4
system is in a normal operating mode, the NC4
powers down and then powers up again without
loss of the original gain settings.