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time and includes indicators for sync source and primary or secondary status. A “T” will display
on the primary clock that is actively transmitting.
Another available display format includes four digit time following by status indicators. A “T”
will display on the primary clock that is actively transmitting.
When a slave clock receives a time update, it immediately repeats the signal to all other clocks
within range. It also uses the time packet to update its internal clock, which is used to update the
display.
All remaining slave clocks receive and repeat the wireless data as needed, forming a multi-path
network. This multi-path network provides radio signal coverage for virtually any size facility.
Furthermore, the failure of any single clock will have no effect on the clock system as clock
communications are automatically routed around the failure.
If the distance between clocks is so great that there is a gap in the network, repeaters are
available to easily bridge the gap. Repeaters can also be used to form a wireless network that is
continuously active.
No network configuration is required to add or remove clocks from the network. To add a clock,
simply install the batteries in analog clocks, or connect power to digital clocks. The slave clocks
automatically connect to the multi-path network. An RC150 Mini-Master clock can be used
while installing clocks to be sure the time signal is continuously available.
The analog clock movement turns on the internal radio transceiver for 5 seconds at 02:00 and
04:00 in preparation for a time update. Marathon digital clocks turn on their receiver at 01:00,
02:00 and 03:00. After which, it places the radio transceiver in sleep mode. In this mode, the
transceiver is no longer operational and uses very little power to remain in sleep mode. If the
batteries are removed while the transceiver is in sleep mode and immediately inserted, the hands
will move to 12:00, but the movement will not receive a time update. This is because the
capacitors within the movement keep the transceiver powered enough to remain in sleep mode
for several minutes after the batteries have been removed. To reset the transceiver, remove the
batteries for at least five minutes. Then insert the batteries. The hands will move to 12:00 and
wait for reception. Then the hands will move to the correct time. If the radio transceiver is not
reset, it will still receive a time update and move the hands to the correct time; however, it will
