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TECHNICAL SUPPORT:  
1.604.265.8500
1.800.604.9218
[email protected]

SECOND METHOD
1.  Turn off the HHT.
2.  Apply power to the C220.
3.  Using a smooth motion, wave the HHT back and forth over 

the top left corner of the C220 so that the two magnets 
under the 

RED BUTTON

 and 

GREEN BUTTON

 pass over the 

surface of the Aarcomm logo.

4.  If the C220 successfully detects the magnets on the HHT, 

the C220 LED will light up 

DARK BLUE

.

5.  Press and hold the three round buttons on the bottom left 

side of the HHT.

6.  Press and release the 

RED BUTTON

 on the HHT

7.  The C220 LED will turn white and a message will appear on 

the HHT indicating a successful match. If not, make sure the 
HHT and the C220 have compatible part numbers.

8.  Power on the HHT normally to verify that the system is 

matched.

POWERING OFF THE HHT HANDHELD

Press the 

RED E-STOP BUTTON

 to shut down the HHT handheld

The LCDs on the HHT will go into sleep mode and will not draw 
any power from the battery.

C220 MOUNTING

The C220 is waterproof and IP67 rated but the recommended 
mounting location should be protected from weather and 
vibration.

C220 WIRE HARNESS INSTALLATION

The C220 comes with a wire harness that is specific to your 

machine. Fully insert the connector into the bottom of the C220 
and tighten the hex screw. Do not over tighten.

ANTENNA INSTALLATION

The mounting location should be chosen such that the 
C220 antenna has the best possible line of sight with the 
HHT  handheld in order to maximize the operating range. 
The standard antenna mount provided is an NMO type. It 
requires a 3/4” hole. 

When installing with a hole saw, remove any burrs, particu-
larly on the under side of the hole.

Remove paint in a narrow ring around the hole. 

Metal-to-metal contact between the vehicle and the mount 
is essential for best performance. 

An optional L-bracket can also be supplied if it is not possi-
ble to cut a 3/4” hole on the mounting surface.

Make sure the gold contact on the mount is clean before 
attaching the antenna.

For proper antenna contact, the supplied rubber gasket 
is required for metal thicknesses ranging from 0.030” to 
0.050”. The gasket is not required for thicknesses from 
0.050” to 0.100”.

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