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We strongly recommend that you use a separate power supply for the
ARD9000MK2.
Operation
After installation and all settings are completed, you are almost ready to operate
your ARD9000MK2.
Operating hints
1. Try to coordinate your frequencies as closely as possible. There is some small
margin for error, but best results are obtained when both transceivers are
exactly on the same frequency.
2. Be sure your IF filters are about 3KHz or wider.
3. Don't "overdrive" your ARD9000MK2 with too much audio from your transceiver.
4. Don't transmit using "compression" (also known as a speech processor).
5. Be sure your ALC is within its specified operating region. If in doubt, lower
audio output seems to work better than a higher setting.
6. Be mindful of your bandwidth when selecting a frequency on which to transmit.
7. Be sure you will not interfere with operators on adjacent frequencies.
.
DUTY CYCLE
The duty cycle of your transceiver will be more intense when transmitting in the
digital mode. This is important to users of amplifiers.
Because the digital signal makes full use of the SSB audio bandwidth, you should
consider that you will be transmitting at the maximum power output you have
selected. At maximum power settings, this will likely result in your transmitter
consuming more power and generating more heat.
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