Maintenance; Cleaning The Et750 And The Et650; Storage Battery Replacement; Recovery Process Win - Bosch Mac Tools Mentor Touch ET750 Operating Instructions Manual

7.

Maintenance

7.1

Cleaning the ET750 and the ET650

Only use a soft cloth and neutral detergents to clean
the housing and display of the ET750 and the ET650.
Do not use abrasive cleaning agents and coarse work-
shop cloths!
7.2 Maintenance
In the DDC Customer service tab, various tests can be
performed for the ET650. Some of these tests can only
be performed by customer service.
7.3

Storage battery replacement

WARNING - Risk of explosion on charging
battery!
Risk of explosion and hence burns and injury
when charging the battery improperly!
¶
Only use the storage battery specified for
the ET750.
¶
Only use the power supply unit specified
for the ET750.
¶
Heed the notes on disposal.
¶
Storage battery must not be heated,
burnt, short-circuited, mechanically dam-
aged and charged with excessively high
currents or reverse polarity!
¶
Suitable extinguishing agents: water, CO
sand.
1. Switch off the ET750.
2. Loosen the screws in the battery cover (fig. 3, item
1) on the back of the ET750 and remove the battery
cover (fig. 3, item 2).
3. Loosen the screws on the storage battery (fig. 7,
item 1).
4. Remove the storage battery.
5. Place a new storage battery in the battery compart-
ment and slide it onto the battery connector.
6. Fasten the storage battery using the two screws on
the battery.
7. Reinstall the battery cover and fasten it with the
screws.
8. Switch on the ET750.
i
The storage battery charge indicator can be called
up via the icon.
"
The storage battery charge indicator shows the current
battery charge on a scale of 0 to 100 %.
i
It is advisable to charge the battery for at least three
hours before running the ET750 off the battery.
Robert Bosch GmbH
7.4

Recovery process Win 7

!
All data and applications on the hard disk will be
erased during the recovery process!
1. Connect the ET750 to the power supply unit.
2. Insert the SD memory card (recovery) in the memo-
ry card slot of the ET750(Fig. 2, item 4).
3. Connect USB keyboard.
4. Switch on the ET750.
5. Press any key right after the switch-on.
 The message "
recover your Computer?
few seconds.
6. Confirm message with <Yes>.
 Message "
WARNING! ALL DATA ON HARD
DISK DRIVE C: WILL BE LOST. Please
be patient while recovery process is
running.
" is displayed.
7. Confirm message with <Yes>.
 ET750 recovery is started – duration approx.
20 minutes.
 Message " Please remove the recovery
media from the device and click "OK"
to reboot the computer
8. Remove the SD memory card.
9. Confirm the message with <OK>.
 Windows is re-started.
,  Virtual keyboard is displayed.
2
10. Close virtual keyboard.
11. Choose the language of the Windows operating sys-
tem via the language selection menu.
12. Confirm with <Yes>.
 Message " To finish the language configu-
ration the user will be logged out!
is displayed.
13. Confirm the message with <OK>.
14. Windows is re-started.
"
This completes the recovery process.
i
Then, install the HUB again via the SD memory card
and follow the instructions on the screen.
Maintenance | ET750 | 19
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2015-09-25