nectivity module include important information not covered in this manual .
Bluetooth®
the vicinity of gas stations, chemical plants,
areas where there is danger of explosion
and areas subject to blasting. Do not use
the power tool with Bluetooth® in airplanes.
Do not use the power tool with Bluetooth®
in the vicinity of medical devices. Avoid op-
eration in the direct vicinity of the human
body over longer periods of time. When us-
ing the power tool with Bluetooth®, interfer-
ence with other devices and systems, air-
planes and medical devices (e .g ., cardiac
pacemakers, hearing aids) may occur . The
Bluetooth® word mark and logos are regis-
tered trademarks owned by Bluetooth SIG,
Inc . and any use of such marks by Robert
Bosch Tool Corporation is under license .
by your Bluetooth® device manufacturer.
Failure to follow recommended procedures
could result in personal injury or property
damage .
devices to control or change power tool
functions. Operation of the device may be in
a different area than the paired power tool .
Paired devices may have functionality which
allows timed event programming, including
automatically powering on (e .g . flood light) .
Depending upon the power tool, these unat-
tended operations or function changes with-
out direct line of sight to the paired tool
could result in personal injury or property
damage .
be different than when the tool was last
used . The connectivity module enables trans-
fer of data and settings based on Bluetooth®
wireless technology . With module installed,
select tool settings may be changed remotely
by a paired Bluetooth® device and user in-
stalled app .
1605A002DT GDS18V-230C 202404.indd 15
page heading
Connectivity
To reduce the risk of injury read the operating instructions included with
Bosch GCY42 connectivity module. Operating instructions for GCY42 con-
Do not use the power
tool with Bluetooth® in
Follow
all
instructions
and warnings provided
Exercise extreme caution
when using Bluetooth®
Always check tool settings
before use . Settings may
The connectivity module
GCY42 is equipped with a
radio interface . Local operating restrictions,
e .g . in military sites or hospitals, are to be
observed . Transmitters have demonstrated
an ability to unintentionally interfere with
other devices .
Think safety
SAFETY IS A COMBINATION OF OPERATOR
COMMON SENSE AND ALERTNESS AT ALL
TIMES WHEN THE TOOL IS BEING USED .
Using "Bosch Toolbox" App
After pairing your tool with a mobile device
you can adjust certain functions or check the
status of the power tool using Bosch Toolbox
app (Fig . 7 and Fig . 8) .
Every time you change any setting, the tool
will confirm the changes by flashing the Sta-
tus indicator LED 11 blue .
A. Help button – Tapping this button will
bring up help screen .
B. Tool photo – Tapping the photo will let
you customize the photograph of the tool .
C. Power tool battery charge status – The
number of battery icons in green indi-
cates the estimated charge level of the
battery pack . Note: Number of battery
icons may not be equal to the number of
LEDs on the battery fuel gauge .
D. Power tool nickname – Tapping the "pen-
cil" icon will let you customize the tool
nickname . You can also do it when chang-
ing the tool photo .
E. Connection status bar – The connection
(signal) strength is indicated by vertical
bars . You can use the toggle switch to dis-
connect the tool from your mobile device .
F. Assigned modes – Allows you to define
two modes of operation (A and B), speci-
fying options such as Auto Shut Off, Auto
Slow Down, and the direction of rotation
for each mode .
G. RPM Adjustment – Allows you to select
the rotation speed .
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