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ADVANCED FEATURES 
Ignition Switch Options 
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The Ignition Switch Options feature is configured in the Customer Programming Software (CPS) and it 
determines the functionality of the radio based on the ignition state of the vehicle. The available options are as 
follows. 
 
Blank 
This option allows you to turn on/off the radio through the Power button regardless of the current state of the 
ignition. 
 
Transmit Inhibit 
This option allows you to turn on/off the radio through the Power button regardless of the current state of the 
ignition. If the ignition is not present, all transmissions are inhibited. This includes receiving any trunking 
dispatch communications as the radio is not affiliated with the trunking systems. 
 
PTT Transmit Inhibit 
This option allows you to turn on/off the radio through the Power button regardless of the current state of the 
ignition. If the ignition is not present, all PTT button transmissions are inhibited. However, the radio is able to 
affiliate with the trunking systems.