Group selector and back keyIn network mode, turning the group selector is usedfor selecting groups. The names of the currentfolder and group are shown on the display.The back key in the middle of the group selector isused for switching between groups. Pressing theback key switches between the groups that havethe same index number as the last two selectedgroups (excluding the home group), and pressingand holding the back key selects the home group(see Home group on page 47).In direct mode, the group selector is used for selecting channels. The name of thechannel is shown on the display. Each channel may have up to three groups.Pressing and holding the back key selects the first group (A) on the channel, andpressing the back key switches between the second and the third group (B and C)on the channel.