
FCC statement
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
harmful interference to radio or television reception, which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the interference by one of the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
To assure continued compliance, any changes or modifications not expressly approved by the party
responsible for compliance could void the user's authority to operate this equipment. (Example-use only
shielded interface cables when connecting to computer or peripheral devices).
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions:
(1) This device may not cause harmful interference. and
(2) This device must accept any interference received, including interference that may cause
undesired operation.
This symbol on the product or in the instructions means that your electrical and electronic equipment should
be disposed at the end its life separately from your household waste. There are sparate collection system for
recycling in the EU.
For more information, please contact the local authority or your retailer where you purchased the product.
CAUTION:
RISK OF EXPLOSION IF BATTERY IS REPLACEDBY INCORRECT TYPE.
DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS.
This product uses non-rechargeable Alkaline batteries.
Wireless Trackball
Laser Mouse
L077LR+C75
User's Guide

Introduction
Congratulations on your purchase of this most innovative wireless trackball laser mouse. Equipped
with Auto-Speed technology, the mouse can automatically adjust the cursor speed to precisely get to
the point you want. Furthermore, just rolling the ball to freely control the cursor movement, no need to
move the mouse, can reduce the use of the wrist and the incidence of carpal tunnel syndrome. It
offers more advance that will make you more productive and more comfortable.
Safety Notice
This product complies with IEC 60825-1, Class I laser product.
The product complies with FCC and CE rules.
Please do NOT direct the laser beam at
anyone's eye after the ball is taken out.
Features
24
2.4GHz (distance 6~8m), 16 Channels/2
Using state-of-art technology. High tracking speed and sensitivity.
Auto-Speed technology. - automatically adjust your cursor speed to precisely get to the point you want.
Ergonomic design to support your hand in comfort.
Nano receiver.
4-way scrolling.
Longer battery life.
Auto-Link, Plug and Play! No need to set the channel ID.
Power on/off switch.
Ergonomic design.
Auto-Speed On/Off switchable:Auto-Speed ON 450~1200 dpi / Auto-Speed Off fixed 800 dpi.
AA Alkaline battery x 1pc included.
Mouse
ID
Receiver
Operation
1. Insert the battery
a. Remove the battery compartment cover on the bottom case of the mouse.
b. Fit in the battery accordingly to the diagram indicated in the battery cabinet.
c. Close the battery compartment cover properly.
d. Make sure the Power on-off swich on the bottom of the mouse is ON.
e. The Low Power LED will be on for 6 seconds when switched to ON.
Battery compartment cover
+
AA battery
-
A wrong battery placement
may cause batteries overheat.
The unit offers a strong power saving management. Once the mouse accesses the sleeping mode, " to click
any button of the mouse" is compulsory to wake it up.
Power on/off:
There is a Power on/off switch designed to save the batteries power while non-usage of a longer period.
User can push DPI button to change the resolution. The LEDwill flash when dpi has been sucessfully
swithced.
2. Connect the receiver
a. Turn on your PC.
b. Connect the receivere to USB port on PC.
Dpi button
Forward button
Backward button
Trackball
Wheel button
Power on/o switch
Battery cover
Receiver
PC
USB port
Pull out
the receiver

3. Communication : The mouse & the receiver
The 2.4Ghz RF mouse features a dual-way transmission technology which enables the mouse and
the receiver auto-communication.
Auto-link mode
1. Make sure the Power On-Off Switch on the bottom of the mouse is ON.
2. Roll the trackball, and the cursor's movement is mapping the trackball movement. Now the mouse
and the receiver is auto-linked successfully.
Note
While the mouse is working, if encountering any interference, the mouse and the receiver will automatically
source out and transfer to another free channel. During the transferring, the cursor movement may have a
second delay.
DPI Indicator
flash twice when switched to
ON 450~1200 dpi
flash once when switched to
OFF fixe 800 dpi
.
.
Auto-Speed
Red LED indicator
Auto-Speed
7. Clean the trackball
You may use a pen, through the hole at the mouse
bottom, to push out the trackball and clean it.
4. Replace the new battery
Please replace a new battery and follow the previous instructions. (2, 3)
Note
The red LED is the low batteries power indicator. It indicates that batteries inside the mouse are needed to
be replaced.
5. 4-Way Scrolling:
a. Vertical Scrolling
Roll wheel up to scroll up; roll wheel down to scroll down.
b. Horizontal Scrolling
Hold the wheel to left to scroll left; hold the wheel to right to scroll right.
Release wheel to stop scrolling function.
Note
The 4-way scrolling function depends on applications. If the application support the 4-way scrolling function,
then the mouse will perform it.
6. Red LED Indicators
Power On / Low Power Indicator
will be on for 6 seconds when switched to On.
will blink for 6 seconds when in use if the - battery power is low.
◎
Trouble Shooting
a. Make sure you have connected the receiver correctly to the computer's USB port.
b. For the best performance, we suggest you to locate the receiver with a distance from other
electrical devices, such as the computer, the computer monitor or external storage drives.
c. Make sure you have set the communication between the receiver and the mouse. Refer to the
Communication :The mouse and the receiver.
d. Restart the mouse by turning it off and then back on.
e. Try another USB port.
f. Check if the battery is inserted in correct direction.
◎
Battery use reminders
1. Remove worn-out batteries from equipment immediately and dispose of promptly.
2. Keep all batteries (used or new) out of the reach of children.
3. To have the batteries with a regular check and replace new batteries if not used for a long time.
4. Never dispose of batteries in fire, as they could explode.
5. Mixing old and new batteries or mining types (such as alkaline with zinc carbon) will reduce overall
performance and could cause leakage or rupture.
6. Remove batteries from the electrical device if the device is not going to be used for a long time.
7. If the performance of the batteries decreases substantially, it is time to replace the batteries.