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English
Manually Terminating Calibration / Reconditioning 
At any time during IMPRES or IMPRES 2 battery discharge (Steady 
Amber), Calibration / Reconditioning may be terminated. Perform the 
following steps:
1. Remove the battery from the charger pocket. 
2. Within 5 seconds, reinsert the battery into the charger pocket. 
Battery discharge immediately terminates, and Normal battery 
charging starts. The LED indicates Charge Status.
End-of-Service-Life Indication
As batteries are used, normal wear reduces available capacity. At the 
successful completion of Calibration / Reconditioning, IMPRES 
chargers compare IMPRES battery capacity to the battery Rated 
Capacity. When the capacity is at a very low value, the IMPRES battery 
may be nearing its End of Service. The IMPRES battery remains 
usable. In some scenarios, it may be desirable to deploy the battery to 
someone who does not require large battery capacity to complete a 
work shift. 
Radio or Battery Charging Procedure
Batteries charge best at room temperature. Batteries may be attached 
to a radio or stand-alone.
1. Place the APX IMPRES 2 Adaptive Charger on a flat surface.
2. Firmly insert the power cord into the charger AC Socket on the back 
of the charger.
3. Plug the power cord into a matching power outlet.
4. Upon successful power-up, each pocket Status LED will flash 
Green for 1 second and “IMPRES 2 CHARGER” will be displayed. 
If the Status LED’s do not flash and no message is displayed, check 
power cord connections.
5. Insert the radio with battery or stand-alone battery into an available 
pocket.
MN002407A01.book  Page 10  Thursday, February 16, 2017  3:18 PM