ATX Installation and User’s Guide
Glossary of Definitions:
Selection of Mode
Select the MASTER mode or REPEATER mode by using the MODE switch.
Operation of Master Mode
WWVB is received once per hour. The time data begins automatically transmitting if the receiving is successful.
Operation of Repeater Mode
Time data is automatically received and transmitted once per hour.
Operation of Reset in Master Mode
Press and release the reset button to start receiving the WWVB. If the receiving is successful, time data is automatically transmitted.
The 
symbol changes during the WWVB reception to show that it is receiving. The “TRNS” indicator flashes during the data transmission to show that it is transmitting.
While transmitting, you will see T – TR – TRN – TRNS flashing in the display.
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