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Apply full-scale pressure. The character display will alternate between +SPAN and CAL. Adjust for a display indication of full- scale pressure using the UP and the DOWN buttons. Apply 50% full-scale pressure. The character display will alternate between +MID and CAL. Adjust for a display indication equal to 50% of full-scale pressure using the UP and the DOWN buttons. Gauge Reference Vacuum Gauges Apply zero pressure by venting the gauge port to atmosphere. The character display will alternate between ZERO and CAL. Adjust for a display indication of zero using the UP and the DOWN buttons. Apply full-scale vacuum. The character display will alternate between +SPAN and CAL. Adjust for a display indication of full- scale vacuum using the UP and the DOWN buttons. Apply 50% full-scale vacuum. The character display will alternate between +MID and CAL. Adjust for a display indication equal to 50% of full-scale vacuum using the UP and the DOWN buttons. Absolute Reference Gauges Apply full vacuum to the gauge. The character display will alternate between ZERO and CAL. Press the UP and DOWN buttons to obtain a display indication of zero. Apply full-scale pressure. The character display will alternate between +SPAN and CAL. Press the UP and DOWN buttons to obtain a display indication equal to full-scale pressure. Apply 50% of full-scale pressure. The lower display will alternate between +MID and CAL. Press the UP and DOWN buttons to obtain an indication equal to 50% of full-scale pressure. Compound and Bipolar Gauges In addition to the steps described above for pressure gauges, apply full-scale vacuum. The character display will alternate between -SPAN and CAL. Adjust for a display indication of actual applied vacuum using the UP and the DOWN buttons. For bipolar and –30.00inHg/+15.00psig compound range models only, apply 50% full-scale vacuum. The character display will alternate between –MID and CAL. Adjust for a display indication equal to 50% of full-scale vacuum using the UP and the DOWN buttons. Save Calibration Once the adjustments are complete, press and hold the front button until the display indicates – – – – then release the button to store the calibration parameters in non-volatile memory and restart the gauge. Verify the pressure indications at 0%, 25%, 50%, 75% and 100% of full scale. Replace the rear cover taking care not to pinch the wires between the cover and the case. User-Defined Pass Code Configuration Remove the rear cover to access the buttons located near the lower right and left corners of the circuit board. View or Change User Configuration Pass Code Remove the rear cover to access the buttons located near the lower right and left corners of the circuit board. With the unit off, press and hold the UP button, then press the front button. Release all buttons when the display indicates CFG. View or Change User Calibration Pass Code With the unit off, press and hold the DOWN button, then press the front button. Release all buttons when the display indicates CAL. Enter Access Code 1220 Before the unit enters the view or change pass code mode, the display initially indicates _ _ _ _ with the first underscore blinking, and with CFGPC or CALPC on the character display. Note: The gauge will automatically revert to normal operation if no buttons are operated for approximately 15 seconds. To cancel and return to normal operation, press and release the POWER button without entering any pass code characters. 1. Use the UP and DOWN buttons to set the left-most digit to 1. 2. Press and release the front button to move to the next position. The 1 will remain, and the second position will be blinking. 3. Use the UP and DOWN buttons to select 2. 4. Press and release the front button to index to the next position. 12 will remain, and the third position will be blinking. 5. Use the UP and DOWN buttons to select 2. 6. Press and release the front button to move to the next position. 1 2 2 will remain, and the fourth position will be blinking. 7. Use the UP and DOWN buttons to select 0. 8. Press and release the front button to proceed. Note: If an incorrect access code was entered, the gauge will return to the start of the access code entry sequence. Once the access code has been entered correctly, the display will indicate the existing user-defined pass code with CFGPC or CALPC on the character segments. 1. Operate the UP or DOWN button to select the first character of the new pass code. 2. When the correct first character is being displayed, press and release the front button to proceed to the next pass code character. 3. Repeat above until the entire pass code is complete. 4. To exit, press and hold the front button. Release the button when the display indicates – – – – to restart the gauge. 5. Replace the rear cover taking care not to pinch the power wires between the cover and the case. OMEGAnet® Online Service Internet e-mail info@omega.com OMEGAnet® Online Service Internet e-mail ...

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