18
English
Standby (Battery is 
waiting to rapid charge)
Warning:
HOT BATTERY
WAITING TO CHRGE
or
COLD BATTERY
WAITING TO CHRGE
or
VERY LOW BATTERY
WAITING TO CHRGE
Flashing Amber
Table 8: Charging IMPRES 2 or IMPRES Batteries - Calibration 
Required, but Not Enabled
Status Charger Display LED Indicator
Charger Powers On
IMPRES 2
CHARGER
Green for approximately one 
second
Battery Detected
IMPRES 2
BATTERY
or
IMPRES
BATTERY
Battery requires Calibration, but 
Calibration is disabled in charger:
Alternating Amber/
Green for four seconds
Requesting IMPRES 
Battery Calibration
• Calibration is disabled in 
charger.
• Charging Battery until 
OK is selected or time-
out.
Warning:
ENABLE BATTERY
CALIBRATION?
• Press OK to 
enable Calibration.
• Ignore for normal 
charging 
(message 
disappears after 
one minute).
Steady Red
Rapid Charging (Request 
for Calibration time-out)
RAPID CHARGE
Steady Red
Charged to 90% or more TRICKLE CHARGE
Flashing Green
Table 7: Charging IMPRES 2 or IMPRES Batteries - 
Calibration Not Required (Cont.)
Status Pocket Display LED Indicator
MN003555A01.book  Page 18  Wednesday, February 14, 2018  2:40 PM