Antelope Audio 10M Atomic Clock - Manual (Page 6)

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1. Power Switch
When depressed, the device is on, which is signaled by indicators (2) and/or (3) and the Information
Display (4).
2. AC Power Supply Indicator
When on, indicates the device is connected to a 90-240 V AC power supply source.
3. DC Power Supply Indicator
When on, indicates the device is connected to a 15 V DC power supply source.
4. Information Display
During the warm-up period (just after the device has been switched on) displays the following
message: “Please wait, the rubidium generator is warming up”. The device is operable in this state,
but the clock frequency has not yet reached its specifi ed ultimate stability.
Once the device is fully warmed up, the message is replaced by “10M” which means maximum
stability has now been achieved (the clock frequency stability meets specifi cations) and the device
is ready for use.
5. Warm-Up Indicator
When the device is fi rst powered, these LEDs pulsate during the device’s warm-up period as the
Rubidium oscillator is heating up. When the device is fully warmed up, the LEDs glow with steady
red light.
Front Panel
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