Fuse

The Thor VM1 uses an 8A time delay (slow blow), fuse that is externally accessible and user replaceable. The fuse is located on the back of the Quick Mount Smart Dock. The fuse is accessed by unscrewing the cap as indicated.

Should it need replacement, replace with same size, rating and type of fuse:

• Littelfuse 0215008.MXP

• Cooper Bussmann BK1/S506-8-R

• Bel Fuse 5HT 8-R

or equivalent.

Fuse has voltage on it even when power is off. Always disconnect input power before changing the fuse.

Power Management Modes

The Thor VM1 supports the standard Microsoft Windows CE power management modes: On (D0), Backlight Off (D1), Display Off (D2) and Suspend (D3).

On Mode (D0)

When the Thor VM1 is attached to either vehicle power or an external power supply or is operating from the UPS battery and the power button is pressed, the Thor VM1 is in the On mode. In this mode, the keypad, touch screen and any attached peripherals such as a scanner function normally. The display remains on until the backlight timer (if enabled) expires.

User Idle / Backlight Off Mode (D1)

Backlight is dimmed, but display is readable. The Thor VM1 transitions to this mode from On after the User Idle timeout period has passed without a primary even occurring.

System Idle / Display Off Mode (D2)

Backlight and display are off. The status LED is solid green. The Thor VM1 transitions to this mode from User Idle after the System Idle timeout period has passed without a primary event occurring.

Suspend mode (D3)

All devices that are not configured as wakeup events are powered off. The status LED is blinking green if external power is connected and off if external power is not connected. The Thor VM1 transitions to this mode from System Idle after the Suspend timeout period has passed without a primary event occurring.

Additionally the power button can be used to enter or exit Suspend mode:

•If the Thor VM1 is On, pressing the power button immediately transitions the unit to Suspend.

•If the Thor VM1 is in Suspend mode, pressing the power button transitions the unit to On.

Shutdown / Off Mode (D4)

The Thor VM1 shuts down when the Thor VM1 is operating on power and the UPS battery becomes critically low regardless of the current power management state. The Thor VM1 remains Off until external power is applied. The Thor VM1 may restart automatically when external power is applied or may require the user to press the Power button depending on installation and configuration.

The Thor VM1 has an auto-off timer. A software update may be necessary to support auto-off. Auto-off provides a timer to shut down the Thor VM1 after a specified period of time if the device is idle or vehicle power is disconnected. The Auto-off behavior is configured on the Auto-off(page 5-83)tab of the Peripherals control panel.

A Real Time Clock (RTC) powered by an internal battery maintains the date and time while the Thor VM1 is off.

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