About the rear derailleur
adjustment button
SM-EW79F-E / SM-EW79F-I
SM-EW79F-E
SM-EW79F-I
Technical Service Instructions
SI-1302A-001
Adjustment mode
Adjustment of the RD-7970 rear derailleur
Keep pressing the rear derailleur adjustment button
until the adjustment mode display changes.
* Be careful not to keep pressing the button for any
longer than this, otherwise the mode will change to
reset mode.
The setting values can be checked using the SC-
7900 main unit display.
If you press the rear derailleur adjustment button
quickly once more, the mode will change back to
normal gear shifting mode and the setting value will
be confirmed.
• For details on basic operation, refer to “Adjustment
of the rear derailleur (RD-7970)” in the Service
Instructions for the ST-7970.
* Display range -12 - +12
Reset mode
Protection function of the RD-7970 rear
derailleur
Pressing and holding the rear derailleur adjustment
button (for 5 seconds or more) restarts the unit after
the protection function has operated.
The status can be checked using the SC-7900 main
unit display.
After the operation is complete, the display will return
to normal.
• For details on basic operations, refer to “Protection
function” in the Service Instructions for the RD-7970.
One Holland, Irvine, California 92618, U.S.A. Phone: +1-949-951-5003
Industrieweg 24, 8071 CT Nunspeet, The Netherlands Phone: +31-341-272222
3-77 Oimatsu-cho, Sakai-ku, Sakai-shi, Osaka 590-8577, Japan
* Service Instructions in further languages are available at : http://techdocs.shimano.com
Please note: specifications are subject to change for improvement without notice. (English)
© Dec. 2010 by Shimano Inc. XBC IZM Printed in Japan.
Rear derailleur adjustment button
Adapter
Bracket band
Rear derailleur adjustment button
SI-1302A-001-00
(for ST-7970)
(for ST-7971/SW-7971)
