User's Manual

VCM manual 2006.08.07

Step 3. Mount the Valve Handle Adaptor onto the “shaft” of VCM and screw tightly on the flat side of

“shaft”.

<NOTE:>

" When mounting the Valve Handle Adaptor on “shaft”, please take care not to push right till

the end of the “shaft”, a small gap (about 1mm) should be left so that the Valve Handle

Adaptor does not touch the plastic case. Future tooling will be revised to overcome this

drawback.

Step 4. After checking to make sure that Valve Handle Adaptor is well fitted, and bracket position is correct,

tighten all the screws.

Step 5. Open the cover of VCM by unscrewing the top fixing screws.

Step 6. Insert the 4 batteries, taking care to respect correct polarity as indicated on battery compartment.

Step 7. Select the required position for the DIP Switch

ON – for working with CTC-1042 dialer (two-way radio communication)

OFF – for working with CTC-1040 dialer (one-way radio communication) or to operate VCM as

stand alone system.

Step 8. Close the VCM cover taking care to ensure that VCM LED lens is positioned directly over the LED of

the main board.

Step 9. Screw back the fixing screws.

Step 10. Plug in the power adaptor to wall socket.

Valve Handle Adaptor