CommRadio CR-1a User Manual – Rev 1 Edition: 15 July 2015
14
F.
Rear Panel Jacks
6
:
Power Input Jack.
Accepts 5 mm diameter barrel with 2.1 mm diameter center pin
(positive). Reverse polarity protected. DC input voltage: 6.0 to 18.0 VDC.
Minimum rating of user-supplied power supply:
•
2 W (with internal battery removed)
•
5 W (with internal battery charging and CR-1a ON)
7: Mini-B USB Jack.
•
Supplies power to the CR-1a and charges internal battery.
•
USB connection to Windows PC for updating internal firmware.
•
USB connection for I-Q data and radio controls.
Notes:
Power input jacks
6 & 7
:
•
With the internal battery installed, either power input jack will charge the battery
while the CR-1a is
OFF
or
ON
.
•
Both Jacks can be used simultaneously. If both engaged, power drawn only from
power input jack
6
.
•
Jacks can be connected or disconnected while the CR-1a is
ON
or OFF
•
USB Power consumption automatically limited to 2.5 W per USB-Powered PC
requirements.
•
Fastest battery charging is via power input jack
6
.
