External Connectors
The following external connectors are located on the Marathon:
• Two USB 2.0 Host ports.
• External power supply connector.
• Audio connector is a 3.5 mm jack for a headset.
• Docking connector on bottom for use with vehicle mounted dock or desktop dock.
• External antenna signal pathways on bottom for use with vehicle mounted dock.
• COM 1 is accessible when docked in a vehicle mounted or desktop dock.
• COM 2 is reserved for add-on modules (imager or magnetic card reader).
USB Connectors
There are two USB 2.0 Host ports, located on the right side (display facing up) and protected by a sliding cover.
Audio Connector
The Audio connector is a standard 3.5mm connector for an external headset, located on the left side (display facing up) and
protected by a sliding cover.
Power Supply Connector
The power connector is a barrel style connector, located on the left side (display facing up) and protected by a sliding cover.
AC/DC power is supplied to the Marathon through the power connector.
The Marathon power supply connector accepts DC input voltage at 19 Volts.
Antenna Signal Pathway
The external GPS and WWAN antenna signal pathways are located on the bottom of the Marathon. The antenna signals
originate from the external GPS and WWAN antenna connectors on the vehicle dock. No physical antenna connects
directly to these ports on the Marathon.
Docking Connector
The docking connector is located on the bottom of the Marathon. The connector interfaces with the matching connector in
the Marathon desktop and vehicle mounted dock, allowing the Marathon to interface with USB, serial or other ports present
on the selected dock.
Keyboard
The keyboard has 62 keys, including a number pad. A biometric mouse is located to the right of the keyboard. When using the
keyboard, some keys have multiple functions. The primary alpha or numeric character is printed on the key.
See
KeyMaps
(page 9-1) for 101-key keyboard equivalent key presses.
Backlighting
• Keys have a dark grey background with frosted white characters for visibility with the backlight on or off.
• Keys are backlit with a white light, except for sticky keys (see below) that have a different backlight color when the key is
active.
Sticky Keys
Alt, Ctl, Shift, Fn and Num Lck are sticky keys and function as described below:
• Press key once and key stays sticky for next keystroke.
• Press key and hold for a second and a half and the key stays sticky until sticky key is pressed again. For example, press
Num Lck once and Num Lck stays ON, press it again and it turns OFF.
Sticky Key Indicators
• Num Lck: Amber backlight indicates sticky key is active.
• Alt, Ctl, Shift, Fn: Blue backlight indicates sticky key is active.
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