Model: XR Series Transmitter with an Internal or External Antenna
All or some of the below symptoms may be present.
Time and date is not correct on the Transmitter front display.
Red LED is flashing on the Transmitter front display.
Green LED may or may not be illuminated. When the green LED is illuminated, the Transmitter is currently broadcasting (broadcast mode). When the green LED is NOT illuminated, the Transmitter is not broadcasting (standby mode).
GPS communication symbol
may not be displayed on the Transmitter front display. GPS communication parentheses symbol 
may not be displayed on the Transmitter front display.NTP communication symbol
may not be displayed on the Transmitter front display.
This may be due to the Transmitter switch position(s), bad or lacking information from the GPS Receiver or loss of NTP time source.
Verify the GPS communication symbol and parentheses are present or the NTP communication symbol is present.
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From the switch panel on the back of the Transmitter, verify dip switch’s #1 through # 8, which they may be in the wrong position.
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Verify the time zone selector is set to the correct position. Use a small slotted screwdriver to adjust the rotary switch.
“4” for Atlantic Time Zone, “5” for Eastern Time Zone, “6” for Central Time Zone, “7” for Mountain Time Zone, “8” for Pacific Time Zone, “9” for Alaska Time Zone, “A” for Hawaii Time Zone
Do NOT adjust Rotary Switch A, which is the Channel Switch. The Channel Switch is preset by the factory. A 14000 series Transmitter has 16 available channels and an XR Series Transmitters has 49 available channels.
If all switch settings are correct, the time source symbols are present, and the time and/or date are still not correct, it may be due to a bad GPS cable connection or a bad GPS Receiver.
If the time source communication symbols are not displayed, complete troubleshooting steps in sections 1 through 3.
If the switch settings are wrong, correct them, and then power cycle the Transmitter.
If the GPS communication symbol and parentheses are showing and all switch settings are correct, and the time and/or date are still wrong, replace the GPS Receiver and cable.
If the switch settings are correct, the GPS Receiver and cabling have been replaced, and the time and/or date is still not correct, the Transmitter may be required to be replaced.