User's Manual

VCM manual 2006.08.07

FACTORY RESET

Step 1. Make sure that both sources of power supply (AC adaptor and backup battery) are working normally.

Step 2. Press and hold the Red Tack Switch for more than 1 sec.

Step 3. Unplug the AC adaptor from VCM (without removing battery).

Step 4. Hold down the Red Tack Switch for 2 more secs, then release the switch. VCM will perform 2 short

beeps followed by a long beep to indicate that all the data in EEPROM has been cleared.

<NOTE:>

" If the beeps are not performed, it means reset is not successful. It is necessary to repeat Step

1~4.

Step 5. Plug the AC adaptor back to VCM.

CHANGING BATTERY

Step 1. Open the VCM cover by removing the top fixing screws.

Step 2. Remove the old batteries.

Step 3. Unplug the AC adaptor from VCM.

Step 4. Slide the Rock Switch to one side (either direction) without releasing. The motor will turn briefly

and stop after sometime.

Step 5. Release the Rock Switch.

Step 6. Insert the new battery.

Step 7. The VCM will perform a self test, of valve open/shut actions, last stopping at valve-close position.

<NOTE:>

" Self test will be performed only if the VCM has done the motor learning.

Step 8. Plug the AC adaptor back to VCM.

Step 9. Close the VCM cover and screw back the fixing screws.

<NOTE>

If VCM is low in battery, warning beep will sound at the interval of 45 sec. until the battery comes to a

complete exhaustion.