Motorola APX8500 - Chapter 1: Introduction; Mobile Radio Description; Mobile Radio Dimensions

Chapter 1 Introduction
This manual covers the installation procedures for ASTRO APX mobile and motorcycle radios with
O2, O3, O5, O7 and O9 control heads, and accessories required to complete the radio system. The
radio system consists of a control head, radio, antenna, microphone, speaker, cabling, Universal
Relay Controller (URC), and accessories.
1.1 Mobile Radio Description
1.1.1 Dimensions
When installing the radio, make sure to plan the installation carefully and leave additional room in the
rear of the radio for cabling and accessory connections; in the front of the radio for access, controls,
and cabling (if remote mount); and to the sides of the radio so that you may access and install the
trunnion screws/wing screws.
NOTE: The measurement unit used in Figure 1-1 to Figure 1-20 is millimeter.
Figure 1-1. Front View of O2 Control Head Attached
to APX 8500
Mid Power Dash Mount Transceiver and Trunnion
Figure 1-2. Side View of O2 Control Head
Attached to APX 8500
Mid Power Dash Mount Transceiver and Trunnion
Figure 1-3. Front View of O3 Control
Head with Coiled Cable
Figure 1-4. Side View of O3 Control
Head with Coiled Cable
206
306
51
84
293
61
153
38
Draft
used inused i
Figure 1-2. SFigure 1-2.
A
id Power DPowe
Dr
Dr
D
r
D
Dr
D
D
D
D
D
D
D
D
D
D
D
D
r
D
D
D
Dr
Dr
D
Dr
r
Dr
r
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
r
r
D
D
D
D
D
D
D
D
D
r
r
D
r
r
D
r
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
Dr
Dr
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
Dr
D
D
D
D
Dr
Dr
D
D
D
D
D
D
D
D
D
D
Dr
Dr
Dr
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
Dr
r
r
D
Dr
Dr
D
Dr
D
D
D
Dr
D
D
D
D
af
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
af
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
af
a
af
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
af
af
af
af
af
af
af
a
a
af
a
af
a
af
af
af
af
af
a
af
af
af
af
af
af
a
a
a
a
a
a
af
a
a
a
a
a
a
a
a
af
af
af
af
af
a
a
a
af
af
af
af
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
af
a
a
a
a
a
a
a
a
af
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
af
af
af
af
af
af
a
a
a
a
a
a
a
af
af
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
af
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
af
af
af
af
af
af
a
af
af
af
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
af
a
af
af
af
af
af
af
af
af
af
af
af
af
a
a
a
a
a
a
a
a
a
a
a
af
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a