L3 Systems WristPC User manual

WristPC
Copyright 1998-2003
L3 Systems, Inc.
Redmond, WA
WristPC
Wearable
Keyboard
(Version 2.0L and above)

Warranty L3 Systems guarantees this product to be free of
defects in material and workmanship for 180 days from date of
shipment to the end user. L3 Systems will repair or replace (at our
option) products within the warranty period at no charge for parts
and labor. Shipping costs (plus customs and duty, if any) to and from
L3 Systems must be paid by the user. Damage or defect caused by
accident, misuse or neglect is not covered. Damage or defect caused
by shipping is excluded. L3 Systems shall not be liable for any
consequential damage or losses from the use of, or inability to use its
products. Any unauthorized repair or modification of the product
voids the warranty. L3 Systems makes no other warranty, express or
implied, nor have we authorized anyone to make representations to
the contrary.
FCC Class B Approval Information
NOTE: This equipment has been tested and found to comply with
the limits for a class B digital device, pursuant to part 15 of the
FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential
installation. This equipment generates, uses and can radiate
radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful
interference to radio communications. However, there is no
guarantee that interference will not occur in a particular
installation. If this equipment does cause interference to radio
or television reception, which determined by turning the
equipment off and on, the user is encouraged to correct the
interference by one or more of the following measures:
•Reorient or relocate the receiving antennae
•Increase the separation between the equipment and the
receiver
•Connect the equipment into an outlet on a circuit different
from that to which the receiver is connected
Consult the dealer or an experienced radio/TV technician for
help.

5/19/2007 1L3 Systems
Introduction
The WristPC Keyboard was developed for embedded and wearable
computer applications. The WristPC is a rugged QWERTY keyboard
with either PS/2 or USB interfaces. Completely sealed, it can operate
in the rain and other harsh environments.
PS/2 or USB Interfaces
The PS/2 interface operates with a standard x86 computer
motherboard. The USB interface requires an HID USB driver for the
computer. This keyboard has been tested with Microsoft ® Windows
98/ME/2000/XP ® operating systems, Linux 2.4 and Apple OS 8.6
and above.
Notes of Caution:
Before connecting or disconnecting the WristPC,
make sure power is turned off to your computer.
Do not discharge static electricity to case. Touch a
grounded object before contacting case.
Do not use sharp objects on keyboard keys, as
this can damage the keyboard.

WristPC –Wearable Keyboard
5/19/2007 2L3 Systems
Standard Key Definitions
The following diagram shows the standard keyboard key
definitions when no NUM-LOCK or FUNC operation is
active.
Num-Lock Key Definitions
The following diagram shows the WristPC keyboard key
definitions when NUM-LOCK is active. The NUM-LOCK
key toggles the keyboard in and out of NUM-LOCK mode.
When in NUM-LOCK mode, the red NUM-LOCK will be lit
and the following key definitions will be in effect:

WristPC –Wearable Keyboard
L3 Systems 35/19/2007
Keyboard Backlighting with NUM-LOCK ON
If your keyboard is a model with back-lighted keys, then
with the NUM-LOCK on, “Up Arrow” increases the
illumination and “Down Arrow” keys lowers the
illumination. The back-lighting is initially off when power
is applied, and there are 9 levels of adjustable intensity.
FUNC Key Definitions
The following diagram shows the WristPC keyboard key
definitions when FUNC is active. The FUNC key puts the
keyboard in FUNC mode for the next key operation.
When in FUNC mode, the red NUM-LOCK will be lit until
the next key operation and the following key definitions
will be in effect:
Keyboard Back-Lighting using the FUNC Key
If your keyboard is a model with back-lighted keys, then
FUNC + “Up Arrow” increases the illumination and FUNC
+ “Down Arrow” keys lowers the illumination. The back-
lighting is initially off when power is applied, and there
are 9 levels of adjustable intensity.

WristPC –Wearable Keyboard
5/19/2007 4L3 Systems
WristPC USB Connector
The following connector shows the pin definitions for the
4 pin USB Series A connector. The WristPC keyboard get
its 5-volt power from the PC. If a keyboard is attached,
the 5-volt power is passed through to the keyboard.
WristPC Mini-DIN Connector
The following connector shows the pin definitions for the
6 pin Mini-DIN connector. The WristPC keyboard get its
5-volt power from the PC. If a keyboard is attached, the
5-volt power is passed through to the keyboard.

WristPC –Wearable Keyboard
L3 Systems 55/19/2007
Specifications
Aluminum Housing Plastic Housing
WristPC Model Type Model Part # Model Part #
PS/2 w/o Backlight FA4 SA0010 FA7 SA0010
PS/2 w/ Backlight FA4B SA0011 FA7B SA0011
USB w/o Backlight FA6 SA0012 FA8 SA0012
USB w/ Backlight FA6B SA0013 FA8B SA0013
Wrist Strap GL0001
Dimensions 5.85” W x 2.62”H x .52”D
Temperature -20°to 50°C
Connector –PS/2 6 Pin Mini-DIN, Male
-- USB 4 Pin USB Series A
Weight (Aluminum) 9 oz w/ cable, 7.25 oz w/o cable
Weight (ABS Plastic) 5.75 oz w/ cable, 4 oz w/o cable
Power Min Max Typ
Voltage (5volts DC) 4.75 5.25
Current (no back light) 5 ma 15 ma 7 ma
Addl. Current (Caps LED) 15 ma 25ma 17 ma
Addl. Current (Num LED) 15 ma 25ma 17 ma
Back light (low) 40 ma 60 ma 50 ma
Back light (mid) 100 ma 180 ma 140 ma
Back light (high) 350 ma 500 ma 420 ma

WristPC –Wearable Keyboard
L3 Systems PO Box 2954 Redmond, WA 98073
Tel: [phone] http://www.L3sys.com Fax: [phone]
The WristPC is a rugged QWERTY keyboard with a standard PC
keyboard interface designed for wearable computer applications.
FEATURES
•Full QUERTY and numeric operation
•Optional back lighting
•Adjustable back lighting
•Optional Caps Lock and Num Lock indicators
•Attractive and rugged black anodized aluminum or ABS Plastic
housing
•Custom key layouts and housing options available
•Optional wrist Strap available