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2.3
Power Source and Ignition Control
The radio allows for different installation configurations for vehicles with
respect to ignition signal and standby current. The installation
configurations described below are based on the following hardware link
configuration:
■
■
For more information on the hardware links, refer to Table 3.4 on page 23
and to the service manual.
The radio's power cable must always be connected directly to the power
Direct Connection
to the Power Source
source (battery).
The radio can always be turned on and off using the on/off button,
independent of the ignition signal.
Connect the power cable directly to the power source as described in
Installation without
Ignition Signal
"Connecting the Power Cable to the Power Source" on page
Connect the power cable directly to the power source as described in
Installation with
Ignition Signal
"Connecting the Power Cable to the Power Source" on page
Connect pin 4 (AUX GPI3) of the auxiliary connector to the ignition signal
as described in
Emergency Switch, External Alert Devices)" on page
The AUX GPI3 line must be programmed to 'Power Sense (Ignition)' and
active to 'High'. For more information, refer to the online help of the
programming application.
12
Preparing the U-Bracket Installation
hardware link 1 (+13.8V battery power sense): fitted
hardware link 2 (ignition sense): fitted
Notice Although it is possible to connect the radio in line with the
vehicle ignition, this is not recommended, as it may draw too much cur-
rent and damage the vehicle wiring and steering column or ignition
switch. This may also cause the supply voltage of the radio to drop below
the specified level.
If hardware link 1 is fitted (factory default) and the ignition signal is not
used, the standby current is approximately 50mA. To reduce the standby
current to <3mA either:
remove hardware link 1, or
■
connect pin 4 (AUX GPI3) to pin 15 (AGND) of the
■
auxiliary connector
With the above two options, the radio always stays off when power is first
applied. The radio can only be turned on with the on/off button.
"Connecting to the Auxiliary Connector (Ignition Signal,
The TMAA04-05 ignition sense kit provides a suitable mating plug for
the radio's auxiliary connector. The plug includes wiring for the the igni-
tion signal and analog ground.
18.
18.
21.
TM8100/TM8200 Installation Guide
© Tait Limited October 2012
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