Motorola ASTRO APX 4000 Model 2 User Manual page 48

If Mode Change is secondary feature of MFK, see
Multi-Function Knob (MFK) on page 15 to toggle the
function of MFK.
Procedure:
Turn the preprogrammed MFK to the desired channel.
OR
Follow the procedure below.
1 < >
or to Chan.
2
Press the Menu Select button directly below Chan.
3 U D
or to the required channel.
4
Press the Menu Select button directly below Sel to confirm
the selected channel.
5
Press the PTT button to transmit on the displayed zone
channel.
32
English
OR
Follow the procedure below.
1 < >
or to ChUp or ChDn.
2
Press the Menu Select button directly below ChUpor ChDn.
3
Press the PTT button to transmit on the displayed zone and
channel.
Note: Positions of ChUp and ChDn on the display may differ
each time you release the Menu Select button. Read
carefully before you press.