Gendex Dental Systems Intra-Oral X-Ray System GX-770

Ensure all components are installed

Check all wiring terminations for shorts or loose connections

Install the screw to hold the Timer Control Board chassis in place

Install the Master Control cover using the four screws removed in Section 2

Is the Remote Station assembly complete and front cover (bezel) installed?

Turn the unit 'ON' and check for proper operation

Install a lead plug in the tubehead port.

Ensure the Master Control is turned off.

Plug in the line cord or turn on the power at the distribution panel.

Connect an AC Voltmeter to read 100 to 130 VAC between TP-1 and TP-13 on the Relay Circuit Board.

Turn on the Master Control and note the voltmeter reading. Record the 'No-Load' line voltage.

Set exposure time to 99 impulses and make an exposure using S2 (Calibration Switch) on the Timer Control Board. Record 'Load' voltage.

Calculate Vcal (load) using the formula provided.

Complete the Electrical Calibration (Section 3) before proceeding.

Ensure all certified components bear labels with model and serial numbers, date of manufacture, and a statement of certification.

Check for oil leaks or other evidence of internal damage in the tubehead.

Check that the aluminum filter is in place inside the tubehead port and shows no sign of damage.

Check that the cone is undamaged and properly installed.