Horn-Ring Transfer; Record Audio Out Jack Of Transmit And Receive Audio; Earphone Jack; Figure 4-5. Siren/Pa Horn-Ring Connections - Motorola ASTRO APX O2 User Manual

Options and Accessories Installation Remote-Mount Accessory Installation
4.2.5

Horn-Ring Transfer

Configure the Horn Relay for either Negative Contact or Positive Contact as shown in section 6.3 of
the siren/PA manual (6881093C18). Program the designated VIP-OUT line for "Horn-Ring Transfer"
and program the designated VIP-IN line for "Horn-Ring".
Figure 4-5 shows wiring diagrams for connecting the Horn-Ring via a transfer relay for both negative
and positive ground systems. Refer to the siren/PA manual (6881093C18) for more information.
Horn
Ring
To Control Head VIP
Output Programmed for
Horn-Ring Transfer
To SW B+ at
VIP Connector
Any SPDT Relay with 12V Coil
and Suitable Contact Ratings for
To Control Head VIP
Vehicle Installation
Input Programmed
for Horn-Ring
4.2.6

Record Audio Out Jack of Transmit and Receive Audio

The use of Power Cable kit HKN6187_ (see
audio speech, as well as the received audio speech. This can be recorded with a standard tape
recorder using a 2.5 mm connector.
4.2.7

Earphone Jack

The use of Power Cable kit HKN6187_ (see
earphone/headset instead of the external speaker. Once a cable is plugged into this 2.5 mm jack, the
external speaker attached at the control head will turn mute.
6878215A01
Break
Here
+ 12V
N.C.
COM.
N.O.
Negative-Contact Horn-Ring
Contact Pushbutton

Figure 4-5. Siren/PA Horn-Ring Connections

Under Hood
Horn
Horn Relay
Horn
Ring
+ 12V
To Control Head VIP
Output Programmed for
Horn-Ring Transfer
To SW B+ at
VIP Connector
To Control Head VIP
Input Programmed
for Horn-Ring
Positive-Contact Horn-Ring
Normally-Open
Momentary
Pushbutton Connections
Figure 2-47) provides access to both the transmitted
Figure 2-47) provides the ability to use a standard
Break
Here
To Horn
N.C.
COM.
N.O.
To DIG. GND at
VIP Connector
To VIP Input Programmed for Horn-Ring
To DIG. GND at VIP Connector
NOTE: Locate Pushbutton
in a Location Convenient to
the Driver
4-5