Optional Remote Zero Switch - Doran PC-500 Instruction Manual

Optional Remote Zero Switch:

The PC-500 has an optional remote zero switch. To use this feature, the
optional Zero Switch is required. WARNING: Installing this option incorrectly will
allow water to enter the scale and void the scale warranty.
To install this option:
1. Remove the battery compartment cover
2. Open the rubber plug in the battery compartment cover
3. Feed the Remote Zero jack and some cord through the rubber plug
4. Connect the jack to the Remote Switch connector inside battery
compartment
5. Replace the battery compartment cover, leaving some slack on the RS-
232 cord
6. Then push the rubber plug completely back into place, creating a seal
around the AC cord. NOTE: Regularly check the rubber plug to ensure a
proper seal is attained.
Displaying Calibration and Audit Counters:
To display the values of the audit counters:
1. Turn on the scale.
2. Press and hold the ZERO button until the C X is displayed.
3. The scale will return to the weighing mode.