Bosch HEAVY DUTY GPB 12V-10 Professional Manual Original página 14

OBJ_BUCH-2915-001.book Page 14 Friday, July 29, 2016 3:30 PM
14 | English
Operation
 Protect the construction site radio against moisture
and direct sunlight. The construction site radio is suitable
only for indoor use.
Audio Operation
Switching On and Off
To switch on the construction site radio, press the On/Off
button 3. The display 8 goes on and the last set audio source
after switching off the construction site radio is activated.
Note: When operating the first time via battery pack or when
not having used the construction site radio for a longer peri-
od, it may be necessary to press the On/Off button 3 several
times or longer, to switch the radio on.
Each time after pressing a button, the display 8 is illuminated
for several seconds.
To switch off the construction site radio, press the On/Off
button 3 again. The current audio source setting is stored.
To save energy, only switch the construction site radio on
when using it.
Adjusting the Volume
After switching on the construction site radio, a mean volume
level (value 10) is always set.
To increase the volume, press the "Vol +" button 6; to reduce
the volume, press the "Vol –" button 5. The volume setting
"VL" is indicated with a value between 0 and 20 for a few sec-
onds in indicator e on the display.
Before adjusting or changing a radio station, set the volume to
a lower setting; before starting an external audio source, set the
volume to medium.
The sound can be switched off by pressing the "Mute" button
13. To switch the sound on again, either press the "Mute" but-
ton 13 once more or either of the "Vol +" 6 or "Vol –" buttons 5.
Adjusting the Sound
An equalizer is integrated in the construction site radio for op-
timal sound reproduction.
To manually change the bass level, press the "Equalizer" but-
ton 4 once. "BA" is indicated on the display along with the
stored bass level value in the multi-function indicator e. To
manually change the treble, press the "Equalizer" button 4
again; "TR" as well as the stored treble value are indicated in
the multi-function indicator e.
The bass and treble levels can be adjusted between –5 and
+5. To increase the indicated value, press the "Vol + " button
6; to lower the value, press the "Vol –" button 5. The
changed values are automatically stored when indicator e
changes back to the time indication a few seconds after last
pressing either of the buttons.
Selecting an Audio Source
To select an audio source, press the "Source" button 14 until
the indicator f for the desired internal audio source (see "Set-
ting/Storing Radio Stations", page 14) or for the desired ex-
ternal audio source (see "Connecting External Audio Sourc-
es", page 14) is indicated on the display:
1 609 92A 2NA | (29.7.16)
– "FM": FM radio,
– "AM": AM radio,
– "AUX": external audio source (e.g. CD player) via the
3.5 mm socket 22.
Setting the Rod Antenna
The construction site radio is provided with a mounted rod an-
tenna 7. For radio operation, point the rod antenna toward
the direction that enables the best reception.
When the reception is insufficient, position the construction
site radio at a different location that enables better reception.
Note: When operating the construction site radio in the direct
vicinity of radio-communication equipment or radio trans-
ceivers, or other electronic equipment, the radio reception
can be subject to interference.
Setting/Storing Radio Stations
Press the "Source" button 14 until "FM" is indicated for the
ultra-short wave reception range or "AM" for the medium
wave reception range in display element f.
To set a certain radio frequency, press the
12 to increase the frequency or the
crease it. The current frequency is shown in indicator a on the
display.
To scan for radio stations with a high signal strength,
press and briefly hold the seek button 12 or the
button 11. The frequency of the found radio station is shown
in indicator a on the display.
When the reception of a suitable signal is sufficiently strong,
the construction site radio automatically switches to stereo
reception. The indicator for stereo reception c appears on the
display.
To store a set station, press one of the preset buttons 9 for
3 seconds. As soon as "PR" and the number of the selected
preset button appears in display element e, the station is
stored.
A total of 5 FM and 5 AM stations can be preset. Please note
that an already occupied preset is overwritten when a new ra-
dio station is assigned to it.
To start the playback of a stored station, briefly press the
respective preset button 9. "PR" as well as the preset number
of the station are indicated in display element e for a few sec-
onds.
Connecting External Audio Sources
Apart from the integrated radio, various external audio sourc-
es can be played.
Remove the protective cap of the "AUX IN" socket 22. Insert
the angled 3.5 mm plug of the AUX cable 26 into the socket
(see illustration on the graphics page). Connect the second
plug of the AUX cable to an appropriate audio source.
For playback of the connected audio source, press the
"Source" button 14 until "AUX" appears in indicator f on the
display.
After removing the plug of the AUX cable, reattach the protec-
tive cap of the "AUX IN" socket 22 again to protect against
dirt/debris.
seek button
seek button 11 to de-
seek
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