4
INSTALLATION
(1) Front panel; (2) Outer trim ring;
(3) Sleeve; (4) L key; (5) R key
6. Mount the sleeve by inserting it into the
opening of the dashboard and bend
open the tabs located around the sleeve
with a screwdriver. Not all tabs will be
able to make contact, so examine which
ones will be most effective. Bending
open the appropriate tabs behind the
dashboard to secure the sleeve in
place.
(1) Dashboard (2) Taps
7. Reconnect the wire harness and the
antenna and be careful not to pinch any
wires or cables.
8. Slide the unit into the sleeve until it
locks into place.
9. To further secure the unit, use the
supplied metal strap to secure the back
of the unit in place. Use the supplied
hardware (Hex Nut (M5mm) and Spring
Washer) to attach one end of the strap
to the mounting bolt on the back of the
unit. If necessary, bend the metal strap
to fit your vehicle’s mounting area. Then
use the supplied hardware (Tapping
Screw and Plain Washer) to attach the
other end of metal strap to a solid metal
part of the vehicle under the dashboard.
This strap also helps ensure proper
electrical grounding of the unit.
Note to install the short threading terminal
of the mounting bolt to the back of the unit
and the other long threading terminal to
the dashboard.
(1) Metal Strap; (2) Mounting Bolt;
(3) Hex Nut; (4) Spring Washer;
(5) Tapping Screw; (6) Plain Washer
10. Reconnect the cable to the vehicle
battery’s negative (-) terminal. Then
replace the outer trim ring and install the
unit’s front panel (see the steps of
“Installing the front panel”).
Removing the unit
1. Make sure the ignition is turned off, then
disconnect the cable from the vehicle
battery’s negative (-) terminal.
2.
Remove the metal strap attached the
back of the unit (if attached).
3. Press the release button to remove the
front panel.
4. Lift the top of the outer trim ring then pull
it out to remove it.
Summary of Contents for 640CA
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