MN003109A01_aa
2-18 Standard Configurations Planning the Installation
2.1.4 Ignition Sense Switch (Radio Wide Advance)
CPS selectable settings to control the radio functionality based on the state of the vehicle Ignition
status. These descriptions can be found in the CPS (customer programming software) tool HELP
Guides and are repeated here for convenience.
Table 2-4. Ignition Sense Switch Settings in CPS
Feature Description
Blank • Radio POWERS ON when the Power Button is pressed or with the emergency power up
feature.
• Radio POWERS OFF when the Power Button is pressed.
TX Inhibit (Available only when: the radio is model/option capable)
• Radio POWERS ON with a radio Power On button / knob selection.
• Radio POWERS OFF with a radio Power Off button / knob selection, or when the Inactiv-
ity Auto Power Off timer expires.
•While “IGNITION” is not
present, certain communications are not possible:
I. The radio does not
register with ASTRO 25 (APCO) - Trunking Systems and there-
fore cannot
receive this type of Trunking communications (see the System Type
field), however, Type II Trunking Systems can receive dispatch without being regis-
tered.
II. Also, the radio cannot
be powered-on with the Emergency Power UP feature, and
Emergency Alarm transmissions using the Emergency Power UP footswitch are not
possible.
PTT TX Inhibit (Available only when: the radio is model/option capable)
• Radio POWERS ON with a radio Power On button / knob selection.
• Radio POWERS OFF with a radio Power Off button / knob selection, or
when the Inactiv-
ity Auto Power Off timer expires.
•While “IGNITION” is not present, all PTT button transmissions are inhibited:
I. The radio does not
register with ASTRO 25 (APCO) - Trunking Systems and
therefore cannot
receive this type of Trunking communications (see the System
Type field), however, Type II Trunking Systems can receive dispatch without
being registered.
II. Also, the radio cannot
be powered-on with the an Emergency Power UP
footswitch-press; however, the footswitch can be used to initiate Emergency
Alarm transmissions if the radio is already on.
Required • Radio POWERS ON when the Power Button is pressed and Ignition is present.
• Radio POWERS ON when Ignition is cycled and radio was previously ON.
• Radio POWERS OFF when the Power Button is pressed, or when Ignition is lost.
Soft Power Off • Radio POWERS ON when the Power Button is pressed, or when Ignition is detected.
• Radio POWERS OFF when the Power Button is pressed, or when Ignition is lost.
Ignition Only Power Up • Radio POWERS ON when Ignition is present.
• Radio POWERS OFF when Ignition is lost.
• Control head power button is ignored.
Draft