Shimano EW-WU101 User Manual

One Holland, Irvine, California 92618, U.S.A. Phone: [phone]

High Tech Campus 92, 5656 AG Eindhoven, The Netherlands Phone: [phone]

3-77 Oimatsu-cho, Sakai-ku, Sakai-shi, Osaka 590-8577, Japan

Please note: specifi cations are subject to change for improvement without notice. (English)
© Jun. 2017 by Shimano Inc. ITP

UM-72R0A-008-00

User's manual

Wireless Unit

(EW-WU101)

User's manuals in other languages are available at :

http://si.shimano.com

IMPORTANT NOTICE

•

Contact the place of purchase or a bicycle dealer for information on installation and adjustment
of the products which are not found in the user's manual. A dealer's manual for professional
and experienced bicycle mechanics is available on our website (http://si.shimano.com).

• Do not disassemble or alter this product.

• The Bluetooth

®

word mark and logos are registered trademarks owned by the
Bluetooth SIG, Inc. and any use of such marks by SHIMANO INC. is under license.
Other trademarks and trade names are those of their respective owners.

For safety, be sure to read this user's manual thoroughly
before use, and follow them for correct use.

Important Safety Information

For replacement information, contact the place of purchase or a bicycle dealer.

WARNING

• When the shifting switch is operated, the motor which drives the rear derailleur will
operate to the shifting position without stopping, so be careful not to get your
fi ngers caught.

•

After reading the user's manual carefully, keep it in a safe place for later reference.

Note

• This is a small waterproof connector. Do not repeat connecting and disconnecting it. It
may impair the function.

• The components are designed to be fully waterproofed to withstand wet weather
riding conditions; however, do not deliberately place them into water.

• Do not clean the bicycle in a high-pressure car wash. If water gets into any of the
components, operating problems or rusting may result.

• Handle the products carefully, and avoid subjecting them to any strong shocks.

• Contact the place of purchase for updates of the product software. The most up-to­date information is available on the Shimano website.

• Do not use thinners or similar substances to clean the products. Such substances may
damage the surfaces.

• Be careful not to let water get into the terminal.

•

Store in a safe place out of the reach of small children to avoid letting them swallow by mistake.

• 2.4GHz digital wireless system

2.4GHz-frequency digital wireless technology, which is the same technology used for
wireless LAN.
However, in a very rare occasions, objects and places may generate strong electromagnetic,
waves and interference, which may result in incorrect measurement.

*

Television, PC, radios, motors/engines, or in car and trains.

*

Railroad crossings and near railway tracks, around television transmitting stations
and radar bases.

*

Other wireless computers or digitally controlled light.

• Disconnect Bluetooth LE when not using E-TUBE PROJECT for smartphones/tablets.
Using the wireless unit without disconnecting Bluetooth LE may result in high battery
power consumption.

•

Products are not guaranteed against natural wear and deterioration from normal use and aging.

• For maximum performance we highly recommend Shimano lubricants and
maintenance products.

Regular inspections before riding the bicycle

Before riding the bicycle, check the following items. If any problems are found with the
following items, contact the place of purchase or a bicycle dealer.

• Is the wireless unit securely installed to the frame?

• Is there suffi cient charge remaining in the battery?

• Is there any noticeable damage to the electric wires?

• Is the mounting band cracked or damaged?

Names of parts

Wireless unit
(EW-WU101)

Electric wire

Battery (SM-BTR1)

Junction [B]

Junction [A]

Functions

ANT connection

The wireless unit transmits the following three types of information to compatible cycle
computers or receivers.

1) Number of gears (front, rear)

2) DI2 battery level

3) Adjustment mode information

For information on which of the above types of information is to be displayed, refer to
the manual for your cycle computer or receiver.

* The latest functions can be checked by updating the software via E-TUBE PROJECT. For

details, consult the place of purchase.

Bluetooth® LE connection

E-TUBE PROJECT for smartphones/tablets may be used if a Bluetooth LE connection is
established with a smartphone/tablet.

When using the wireless unit, combine it with one of the following units.
External type: BM-DN100, Built-in type: BT-DN110

How to make connections

ANT connection

To make a connection, the cycle computer needs to be in connection mode.
For information on how to put the cycle computer into connection mode, refer to the
manual for the cycle computer.

1) Put the cycle computer into connection mode.

2) When using an external battery
Check that the electric wires are connected to the wireless unit. Then, remove and
remount the external battery.
When using a built-in battery
Check that the electric wires are connected to the wireless unit. Then, remove the
electric wires (two wires) from the wireless unit and reconnect them.
( Connection transmission begins about 30 seconds after the battery is remounted or

the electric wires are reconnected to the wireless unit.)

3) This completes the connection process.

Check on the cycle computer to see if connection was successful.
If a connection cannot be made in the way described above, refer to the manual for your
cycle computer.
For information on how to show the number of gears or the DI2 battery level, refer to
the manual for the cycle computer.

Bluetooth® LE connection

Before setting up a connection, turn on Bluetooth LE on the smartphone/tablet.

1) Open E-TUBE PROJECT and set it to listen for Bluetooth LE signals.

2) Setting up via information display
Press the mode switch until "C" appears on the display.

Setting up via junction A

Press the button on junction (A) until the green LED and red LED begin to blink
alternately.

3) The unit on the bicycle will begin signal transmission. The unit name displays in
E-TUBE PROJECT.
* Release the mode switch or button as soon as the unit on the bicycle begins signal

transmission.
If the mode switch or button is held down for any longer, a different mode will be
activated.

4) Select the unit name displayed on screen.

* To disconnect, cancel the Bluetooth LE connection from the smartphone/tablet.

(The cycle computer will exit connection mode and return to regular operation mode.)

Specifi cations

Frequency band 2,402 – 2,480 MHz

Maximum radio-frequency power +4 dBm

Firmware version 4.0.7 –