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The default Power Scheme selected for the Thor VM2 depends on:
•the Power Configuration Mode (page 5-80) setting,
• if external power is connected to the Thor VM2,
• and, for ignition control, the status of the vehicle ignition signal.
The Power Schemes are defined below. The active Power Scheme depends on the user-selected power configuration
mode. However, if no external power is present, the Thor VM2 uses the UPS Power Scheme regardless of user selected
Power Configuration mode.
• AC/DC - When AC/DC has been selected for the Power Configuration mode, this Power Scheme is selected. Because
of the presence of external power, this Power Scheme has longer timeout values.
•Ignition Control/Ignition On - When either Ignition Control option has been selected for the Power Configuration mode
and the Ignition Switch is On, this Power Scheme is selected. Because of the presence of external power, this Power
Scheme has longer timeout values.
• Ignition Control/Ignition Off - When either Ignition Control option has been selected for the Power Configuration mode
and the Ignition Switch is Off, this Power Scheme is selected. This Power Scheme has shorter timeout values (compared
to Ignition On) to preserve the vehicle battery.
• Auto-On - When Auto-On has been selected for the Power Configuration mode, this Power Scheme is selected. Because
of the presence of external power, this Power Scheme has longer timeout values.
• UPS - When any Power Configuration Mode is selected but no external power is present, the UPS Power Scheme is
used. This Power Scheme has much shorter timeout values designed to shut down the Thor VM2 before the UPS battery
is depleted.
Because of the cumulative effect, if the Thor VM2 is operating from the UPS, for example:
• The backlight turns off after 30 seconds of no activity,
• The display turns off after 1 minute and 30 seconds of no activity (30 sec + 1 min),
• The Thor VM2 enters Suspend after 11 minutes and 30 seconds of no activity.
• The Thor VM2 shuts down after 31 minutes and 30 seconds of no activity.
• If the User Idle timer is set to Never, the power scheme timers never place the Thor VM2 in User Idle, System Idle or
Suspend modes.