User's Manual
Unit: mm
Figure 2.4. Bottom view of TREK-550
Unit: mm
Figure 2.5. Top view of TREK-550
2.2 Installation Procedures
2.2.1
Connecting the Power Cord
Connect the
three pin waterproof power cord to the DC
inlet
of
the Computing Box.
On the
open-wire end, one pin is reserved for positive voltage and is
marked,
"+"; one pin is
reserved
for ground
and
is
marked,
"-"; and, one pin is
reserved for the ignition signal with an “ignition” mark.
Note!
Power on/off the
TREK-550 via the TREK-550's power switch. Please
connect its
"+ "
and
" ignition"
pins together with the power
source's
"+".
Or change the
JP3 jumper setting.
(For JP3 jumper setting
please
see
section 4.3.2.1)