WalkAbout Hammerhead XRT User Manual - page 6
Chapter 2 – Hardware Operation
WalkAbout Computers HAMMERHEAD XRT User’s Guide – v030105
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When should I calibrate my batteries?
You should calibrate your batteries if the HH Control Panel on your unit
indicates a max error of greater than 2%. To check the max error of the
battery, go to START, PROGRAMS, HHUTILITIES, HH Control Panel.
Click the Information Button, then click the BATTERIES button. On the
upper right, select the battery radio button of the battery you wish to look
at. The “Max Error” is shown on this screen.
Note: Only calibrate batteries when they need it. Calibrating a battery
unnecessarily will increase the cycle count and thereby reduce the
battery life.
What are the Over Temperature and Over Voltage boxes in the HH
Control Panel?
To insure the safety of the Hammerhead Computer at all times, the HH
Control program monitors battery temperature and voltage. If a
malfunction ever causes either of these values become too high, the
computer will shut down to prevent any permanent damage to the
computer.
Removable hard drive
The hard drive compartment allows field upgrades or repairs without
opening the HAMMERHEAD XRT. Some customers may have IT
Departments that will be trained to replace hard drives at the customer
location.
You should not open the hard drive compartment without
the proper training from WalkAbout Computers.
Please contact
WalkAbout technical support 888-872-1100 before removing the cover
plate of the hard drive compartment. Any tampering of the hard drive will
result in a void warranty.
Chapter 2 – Hardware Operation
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Connectivity
Most often connectivity with the HAMMERHEAD XRT is via the docking
connector on the backside of the unit. Most customers also purchase a
port replicator, DESKDOCK, or HAMMERDOCK vehicle dock that
provides standard ports for communications, keyboard, and power
supply. Port replicators and docking stations may be customized to your
requirements and may not be configured exactly as described below.
Port replicators
There are several variations of port replicators (flat, angled, custom, etc.)
New connectivity options are constantly in development. The following
features are available on the standard port replicator.
Male docking
The male docking connector is inserted into the
connector:
female docking connector on the back of the
computer to activate all ports in the port
replicator.
External
External power connector. Use only the
power:
power supplies provided especially for the
HAMMERHEAD XRT, which supply the required
DC power from a standard AC outlet.
COM3
or
VGA
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Keyboard:
Industry standard 5 din PS2 style keyboard
connector.
LPT 1:
Industry standard 25-pin Centronics compatible
parallel connector.
COM 1:
Industry standard DB-9 serial connector.
COM 2:
COM 2 on most docking solutions is a full, nine-
pin DB-9 serial connector, although only a
subset of standard signals are supported.
Thumb
Thumbscrews secure a positive connection.
screws:
Insert the port replicator fully before engaging
thumbscrews. Be careful not to over tighten
thumbscrews.
The standard port replicator also doubles as a desktop stand for the
HAMMERHEAD XRT. Simply press the male docking connector on the
port replicator into the female docking connector on the back of the unit.
The connectors are correctly oriented and only fit in one direction. It is
impossible to join them incorrectly. Make sure the connector is fully
inserted confirming the port replicator fits snuggly against the back of the
computer. Turn the thumbscrews in a clockwise direction to ensure a
reliable, positive connection. Do not over tighten. Do not connect the
port replicator to the computer while power is attached to the port
replicator. Attach the port replicator and then attach the power to the
port replicator.
Flat port replicators and custom cable sets are available when
connectivity is needed while the unit is mobile. External power should be
connected to the port replicators after being firmly connected to the
HAMMERHEAD XRT. Some custom configurations provide access to
ports in the computer housing.
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Desktop docking station
The Desktop Docking Station
(DESKDOCK) provides complete
connectivity and integrated options (e.g.
LAN adapter, fax/modem, etc.) for using
the HAMMERHEAD XRT on a desktop.
The DESKDOCK offers the following
connectors for the connection of external
devices:
•
Two RS-232 serial ports (COM1 and COM2 – 3-wire serial)
•
One Centronics-compatible parallel port/floppy interface
•
One keyboard port
•
Power connector
•
One USB port
•
One SVGA video port
If the HAMMERHEAD XRT is equipped with video output capabilities,
one COM port can be used as a VGA port. If a DESKDOCK is equipped
for communication with a network, the connection is made through the
USB port.
Vehicle docking
The HAMMERDOCK offers compact versatile mounting for a variety of
automobiles. The one-piece aluminum body ensures sturdy docking with
no adjustments. The HAMMERDOCK has tilt swivel functionality, a built-
in keyboard tray, and a push button key lock. A break-out box with a 3-
foot or 6-foot cable provides convenient installation for permanent
connections.
Front View
Rear View