
APX 4500 O2 CH
7
IDENTIFYING RADIO CONTROLS
Assignable Settings or Utility Functions
Channel Announcement
–
Allows you to hear the Voice
Announcement audio file that is assigned to the radio’s
current channel/mode.
ALL CHANNELS IN THE FIRST
ZONE USE VOICE ANNOUNCEMENT
Dimmer
–
Changes the display brightness.
DIM BUTTON
–
DIMS BACK LIGHT DISPLAY