CLOCK, PROFILE, & BATTERY: 
The APX 4000/6000 allows the user to change the day, 
date, and time of the radio.  For instance, users can opt to 
a 12hr clock or a 24hr clock. This option is selected by 
pressing the menu select buttons under the “
This function of the radio is a matter of convenience and it 
no bearing on the radio’s functionality.  The clock will 
remember the time if the battery is removed; however, the 
user must manually adjust it to account for time changes. 
The APX 4000/6000 enables the user to select radio profiles 
t his or her needs.   This menu is accessed by selecting 
The profiles available for the FRCOG/CoMIRS radios are 
limited to three choices: “Default”, “No Lights” and “No 
Lights, Speaker or Tones”. Default enables the backlight on 
the screen, the speaker and tones (such as whenever a 
button is pushed). “ No Lights” turns off the screen backlight 
for tactical operations. The “No Lights, Speaker, Tones” 
profile turns off the screen backlight, all tones and the 
speaker. If the unit is paired with a headset or blue tooth 
speaker you will still be able to hear through that device. 
Again this would be for tactica
l operations. A warning should 
be given that you will not be able to see the screen to make 
adjustments to your radio unless you are in good lighting. 
Profiles enable the user of the radio to tailor its operation 
regarding backlight, tones, and 
The APX 4000/6000 portable radios are designed to use 
Motorola IMPRES batteries.  IMPRES batteries have a chip 
in them that communicates with the AC charger; this helps to 
the batteries and negate “memory effect.”
In addition to the battery icon on the radio’s displays, you 
can access the battery menu by selecting “
menu bar.  It will allow you to see the battery's remaining 
a percentage, the remaining life        
measured in milliamp hours (mAh), and the estimated 
number of charging cycles the battery has gone through.