10 
 
 
 
     
 
 
Operating Details 
 
  
 
LEDs 
 
  
 
Power
PowerPower
Power 
  
 
 
  
 
This LED indicates the condition of the 1 Piece (Gen 4) battery. 
 
Prior to Activation:
Prior to Activation:Prior to Activation:
Prior to Activation: 
  
 
 
  
 
Before activating the device, the officer should conduct a battery test. To do this, 
simply hold down the silver activation button for three seconds and observe the 
condition of the Battery LED. 
 
•  If the “PWR” LED is green
greengreen
green, there is a sufficient charge to activate the 1 Piece 
(Gen 4). 
  
 
•  If the “PWR” LED is red,
red,red,
red, or does not light up at all, the 1 Piece (Gen 4) needs to 
be charged.  
  
 
 
  
 
After Activation:
After Activation:After Activation:
After Activation: 
  
 
 
  
 
•  If the “PWR” LED is blinking green
greengreen
green, there is a sufficient charge. 
  
 
•  If the “PWR” LED is blinking red
r
edred
red, the 1 Piece (Gen 4) needs to be charged. 
  
 
 
  
 
1 Piece 
1 Piece 1 Piece 
1 Piece (Gen 4)
(Gen 4)(Gen 4)
(Gen 4) 
  
 on Charger:
on Charger:on Charger:
on Charger: 
  
 
 
When the 1 Piece (Gen 4) is connected to the charger, the Power LED will be solid (not 
flashing) green
greengreen
green or red
redred
red. 
 
•  If the LED is red:
red:red:
red: The 1 Piece (Gen 4) is not fully charged
not fully chargednot fully charged
not fully charged and should not be 
disconnected from the charger 
•  If the LED is green
greengreen
green: The 1 Piece (Gen 4) battery has been 
has been has been 
has been completely charged
completely chargedcompletely charged
completely charged 
and the charger may be disconnected 
•  When the 1 Piece (Gen 4) is connected to the charger, it will vibrate once 
indicating a good connection.  When the battery is fully charged, the 1 Piece 
(Gen 4) will vibrate once indicating that it is okay to remove from the charger.