6.2.2 Transmitter with external audio processor
1. Place the transmitter in a well ventilated space.
2. Connect the antenna to the RF output connector on the back of the transmitter.
3. Connect the MPX output of your audio processor (or stereo generator) to the
MPX1 input on the back of the transmitter, and in RF Settings, set MPX Source to
MPX Input 1.
4. Plug the power cord into the power supply module on the rear panel of the
transmitter.
5. Connect the required remote control / monitoring ports (Ethernet, RS232,
Alarms/Triggers Port).
6. Once the transmitter is operating, set the correct carrier frequency and RF power
from the RF settings menu. Check reflected power is OK.
7. Check the modulation level - if the modulation level is low, adjust the MPX output
level on your audio processor (or stereo generator). The maximum modulation
should not exceed 75kHz.
8. Check the documentation that came with your audio processor on how to
set/check the proper pilot injection level.
In this setup, the stereo multiplex is generated by an external stereo generator and is fed
directly into the transmitter exciter of the transmitter stage. Note that the transmitter’s
onboard processing will have no effect on the signal in this configuration.
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