Clear-Com PTX-3 - Manual (Page 17)

Vitec Group Communications
PTX-3 UHF Digital Hybrid IFB Transmitter 1 - 1 1
Figure 1-11: Tuning Setup Screen
In the four factory set frequency groups, eight frequencies per group
are preselected. These frequencies are chosen to be free of
intermodulation products. (Refer to receiver manual for more
information).
in the two user programmable frequency groups, up to 16 frequencies
can be programmed per group.
Note: The TUNING Setup Screen only selects the tuning mode
(NORMAL or Group tuning) and not the operating
frequency. Actual operating frequencies are chosen
through the Frequency Window.
Press MENU to return to the Setup window.