Airport 828HC, Instruction Manual

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© Airport Lighting Company
□ Put the CCR into Local mode.
□ Open the CCR door and pull the door switch plunger toward you laterally to bypass the
safety interlock.
□ Locate the V1 and V2 wires that connect to the firing card through an 11-position green,
removable terminal block. This calibration requires measuring AC voltage across those
two screwheads while the CCR is on, while the terminal block is plugged in.
□ Navigate to the following menu, but do not enter the “Output Voltage” screen yet:
Configuration Menu > CCR Config > Calibrate > Output Voltage
□ The LOCAL UP and LOCAL DOWN arrows will still operate while in the menu, allowing for
easier calibration. Put the CCR on the lowest brightness step.
□ Once the CCR is on the lowest brightness step, push the left DOT button to enter the
“Output Voltage” screen.
□ Using voltage probes on a known, calibrated DMM, measure the AC voltage across V1
and V2 on the 11-pin firing card terminal block. Multiply the measured voltage by the
“ V1-V2 Output Voltage Measurement Factor ” provided on the CCR Datasheet at the end
of this manual. If the factor is not available, contact Airport Lighting Company.
□ Use the UP and DOWN arrows below the screen to adjust the calibration value to the
calculated value. Once the values match, push the left DOT button to accept.
□ Put the CCR on the highest brightness step, while staying in the calibration menu.
□ Once again, multiply the DMM-measured voltage by the V1-V2 Output Voltage
Measurement Factor. Use the UP and DOWN arrows below the screen to adjust the
calculated value. Once the values match, push the left DOT button to accept.
□ Cycle through the brightness steps, and verify the new calibration. If the calibration is now
acceptable, push the right DOT button until you’re asked to Record Changes, to which you
need to execute Yes.
□ If the calibration needs additional fine-tuning, complete the calibration procedure again.
□ If the calibration procedure does not yield acceptable results, you may want to restore a
known good calibration. Refer to Section 7.2.2 Restoring a Known Good Calibration for
more information.