Prep
aring Y
o
ur Radio for Use
English
6
Attaching the Antenna
With the radio turned off, set the antenna in its receptacle and
turn clockwise to attach it to the radio.
To remove the antenna, turn the antenna counterclockwise.
Make sure you turn off the radio first.
Attaching the Accessory Connector
Cover
The accessory connector is located on the antenna side of the
radio. It is used to connect accessories to the radio.
Note:
To prevent damage to the connector, shield it with the
connector cover when not in use.
Insert the hooked
end of the cover
into the slot above
the connector.
Press downward on
the cover’s top to
seat it in the slot.
Once in place,
tighten by rotating
the thumbscrew
clockwise by hand.
To remove the accessory connector cover, rotate the
thumbscrew counterclockwise until it disengages from the radio.
If the thumbscrew is too tight, use an Allen wrench to loosen
it first.
Rotate and lift the connector cover to disengage it from
the radio.
Hooked End
Thumbscrew
Hex Socket
Head
APX_4000_M3.book Page 6 Friday, May 31, 2013 12:41 PM