Macsense Connectivity DWM-4 manual VHF/UHF Remote Sensor Assembly Instructions

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You are now ready to mount the DWM PC board in the chassis.

___	Install the DWM-4 PC board in the chassis using four screws, nylon spacers, washers and nuts.
	Do not drill out the holes in the PC board
___	Install U1 (the 68HC11) by carefully pressing it into place in its socket. Note that U1 has a
	flattened corner that should match the socket.
___	Install U3 (the LM339) by carefully pressing it into place in its socket. Note that U3 has a notch that
	should match the socket.
___	Install the ribbon cable with the red stripe connecting pin 1 of J7 to pin 1 of J7 (2 x 7 header) on
	the front panel.
___	Install the ribbon cable with the red stripe connecting pin 1 of J8 to pin 1 of the LCD Module on the
	front panel.

VHF/UHF Remote Sensor Assembly Instructions

___ Install the resistors, R1 and 2.

___ Install the diodes, D1 and D2. Note the band polarity.