Working mode (18) indic-
ator
Connectivity functions
In conjunction with the GCY 42 Bluetooth® Low Energy Mod-
ule, the following connectivity functions are available for the
power tool:
– Registration and personalisation
– Status check, output of warning messages
– General information and settings
– Management
Read the corresponding operating instructions for informa-
tion about the Bluetooth® Low Energy Module GCY 42.
The smartphone indicator (21) lights up if the power tool
sends information (e.g. a temperature warning) to a mobile
device via Bluetooth® wireless technology.
Practical Advice
With the Bluetooth® Low Energy Module GCY 42, the
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power tool is equipped with a radio interface. Local
operating restrictions, e.g. in aircraft or hospitals,
must be observed.
In areas where the Bluetooth® wireless technology is
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not allowed to be used, the Bluetooth® Low Energy
Module GCY 42 and the button cell must be removed.
Note: The cover (15) can only be securely closed if the
Bluetooth® Low Energy Module GCY 42 and the button cell
are situated in the power tool.
– To deactivate the Bluetooth® Low Energy Module
GCY 42, rotate the button cell or place means of insula-
tion between the button cell and Bluetooth® Low Energy
Module GCY 42.
– Close the cover (15) to prevent dirt from getting in.
Changing the chiselling position (Vario-Lock)
You can lock the chisel in 16 different positions, allowing
you to select the optimum working position for each task.
– Insert the chisel into the tool holder.
– Turn the mode selector switch (5) to the "drilling" posi-
tion.
– Turn the application tool to the required chisel position.
– Turn the mode selector switch (5) to the "chiselling" posi-
tion. With this, the tool holder is locked.
Chiselling with lock function
To chisel for extended periods without pressing the on/off
switch (9), lock the on/off switch in "chiselling" operating
mode.
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Functions
In Favourite working mode, the power tool can be individually configured via a smartphone.
lights up
– "Hammer drilling" operating mode: Increase in speed can be configured in multiple speed
settings
– Electronic Precision Control (EPC) is always active, final speed and start-up speed can be
configured
– "Chiselling" operating mode: Adaptive Speed Control can be switched on and off
– Sensitivity of the rapid shut-off (KickBack Control) can be configured
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15
10
20
5
25
0
30
– To lock the power tool, press the on/off switch (9) down
fully whilst simultaneously pressing the lock-on
switch (7).
– To switch the lock off, press the lock-on button (7) again.
Note: If you switch to a different operating mode while the
on/off switch is locked, the power tool will switch off.
Vibration damping
The integrated vibration damping function re-
duces the generated vibration.
Do not continue to use the power tool if the damping
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element is damaged.
Recommendations for Optimal Handling of the Battery
Protect the battery against moisture and water.
Only store the battery within a temperature range of −20 to
50 °C. Do not leave the battery in your car in the summer, for
example.
Occasionally clean the ventilation slots on the battery using a
soft brush that is clean and dry.
A significantly reduced operating time after charging indic-
ates that the battery has deteriorated and must be replaced.
Follow the instructions on correct disposal.
Maintenance and Service
Maintenance and Cleaning
Remove the battery from the power tool before carry-
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ing out work on the power tool (e.g. maintenance,
changing tool, etc.). The battery should also be re-
moved for transport and storage. There is risk of injury
from unintentionally pressing the on/off switch.
To ensure safe and efficient operation, always keep
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the power tool and the ventilation slots clean.
Replace a damaged dust protection cap immediately.
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It is recommended that you have use an after-sales
service for this.
Clean the tool holder (2) after each use.
After-Sales Service and Application Service
Our after-sales service responds to your questions concern-
ing maintenance and repair of your product as well as spare
parts. You can find explosion drawings and information on
spare parts at: www.bosch-pt.com
The Bosch product use advice team will be happy to help you
English | 21
1 609 92A 53R | (22.10.2019)
sales@calcert.com