Shimano DURA-ACE ST-7970 Manuale - Pagina 11

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< Top adjustment >

Next, set the chain onto the large chainring and the

smallest sprocket.

Use a 2 mm Allen key to turn the top adjustment bolt

to adjust so that there is a clearance of 0.5 - 1 mm

between the chain and the chain guide outer plate.

Move the front derailleur and the rear derailleur to all

gear positions, and check that the chain guide does not

touch the chain.

Other lever operation functions

< Battery charge indicator >

Press and hold either shifting switch for 0.5 seconds or more.

You can check the amount of battery charge remaining using the

battery indicator on top of junction (A).

* When the battery charge is low, first the front derailleur will stop operating, and then the rear derailleur will

stop operating. When the battery is fully spent, the derailleurs will stop at the positions where they were last

shifted to. If the battery indicator is illuminated red, it is recommended that you recharge the battery as

soon as possible.

Battery indicator

100 %

Illuminates green (for 2 seconds)

50 %

Flashes green (5 times)

25 %

Illuminates red (for 2 seconds)

0 %

Flashes red (5 times)

Adjustment

0.5 – 1 mm