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Section 3:
The CPU has a protected memory area to store the configuration parameters
accessed when you turn it on. That binary-format data contains basic information
about CPU capabilities including general settings, power-up, power-off modes, etc.
This chapter describes the various configuration parameters that can be selected and
modified as required.
CPU Configuration Parameters
Power source
Provides capability to select a power source: either 13.8VDC or 9VDC car batteries.
Factory setting is 13.8VDC.
NOTE: if 9VDC battery is selected, power loss compensation during engine
cranking will be not supported.
Turn-off command from display
Normally, when the MW800 display encounters a hardware problem, it can turn the
CPU off. This parameter enables or disables this feature. Factory setting is
ENABLE.
Critical turn off
Normally, if the system does not respond, you can turn the device off by pressing
and holding the power button for 6 seconds or more. This parameter enables or
disables this feature. Factory setting is ENABLE.
Power button preference
Normally, you can turn the device on and off by pressing the power button. This
parameter enables or disables this feature. Factory setting is ENABLE.
NOTE: If you disable this feature, only the ignition switch can turn the device on.
Make sure, that Ignition boot up preference setting is POWER ON.
Ignition boot up preference
Selects desired CPU action when turning the ignition switch on. The following
options are available:
• NONE
• POWER ON
• POWER BUTTON
LOCK
Factory setting is POWER ON.
CPU Configuration
Ignore turning the ignition switch on.
Boot up the device if it's powered off; ignore if it's
already powered on.
Block the Power Button until you turn on the ignition
switch.
15
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