Peavey PRO COMM U1002 Operating Manual page 16

(a) G/CH: Indicates or selects the receiver GROUP and CHANNEL. There are nine
separate Groups. Each group contains between three and 16 separate channels,
giving 100 different channels for use.
Selecting/Changing GROUP:
Press the "MENU" button until the "G/CH" function is selected. This will
be indicated by a block that will appear around the selected function located in
the upper right corner of the display.
Press the "GROUP" ▲ button once. The Group Number on the
display will start flashing. Press the button again to scroll to the desired group
number. Holding the button will also scroll through the group numbers.
Pressing the "MENU" button again will save the group number.
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