Using External Alarms (Horn And Lights); Using Non-Permanent Horn And Lights - Motorola ASTRO APX 7500 Series Quick Reference Card

Using the Universal Relay Controller
The Universal Relay Controller (URC) is a versatile relay
module that controls how the patterns on the Light Bar operate.
The URC receives logic level input signals which are configured
or conditioned by PLCs, process controllers and indicators to
switch on / off a series of output signals. The URC supports up
to 25 customized patterns; each pattern is a combination of 10
relays in the URC.
The buttons or knob which support URC are:
Response Selector
•
Directional Buttons
•
Top/Bottom Programmable Buttons
•
URC also supports Action Consolidation feature to run the
lightbar.
Consult a qualified radio technician for details on customizing
different relay patterns using the radio's programming software.

Using External Alarms (Horn and Lights)

All control heads can be equipped for external alarms (horn and
lights) that are activated when a Call Alert page, Private
Conversation call, or phone call is received.
The radio always powers up with the horn and lights feature
enabled.
The horn and lights feature must be enabled by a
Note:
qualified radio technician.

Using Non-Permanent Horn and Lights

Procedure:
Press the Menu Select button directly below H/L
1
momentarily. The last selected alarm(s) are enabled, and
the display shows the enabled alarm(s) alternating with the
selected mode, until it is turned off.
Press the Menu Select button directly below H/L
2
momentarily to turn off the alarm(s). The display shows
HORN/LITES OFF.
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