Bosch GPB Professional GPB 18V-5 C Notice Originale page 17

Battery Charge Indicator on the Rechargeable Battery
If the rechargeable battery is removed from the radio, its
state of charge may be indicated by the green LEDs of the
battery charge indicator on the rechargeable battery.
Press the button for the battery charge indicator
show the state of charge.
If no LED lights up after pressing the button for the battery
charge indicator, then the battery is defective and must be
replaced.
Battery model GBA 18V...
LEDs
3× continuous green light
2× continuous green light
1× continuous green light
1× flashing green light
Battery model ProCORE18V...
LEDs
5× continuous green light
4× continuous green light
3× continuous green light
2× continuous green light
1× continuous green light
1× flashing green light
Inserting/Changing Back-up Batteries
To save the time and other settings on the radio, back-up
batteries must be inserted. Using alkaline manganese batter-
ies is recommended for this purpose.
Disengage the locking lever (28) of the battery cover and
open the battery cover (27) flap.
If required, remove the rechargeable battery (26).
To open the battery compartment cover (24), press on the
locking mechanism (23) and remove the battery compart-
ment cover. Insert the back-up batteries supplied.
When inserting the batteries, ensure that the polarity is cor-
rect according to the illustration on the inside of the battery
compartment.
Replace the battery compartment cover (24).
"REPLACE AA BATTERY WHEN UNIT NO LONGER KEEPS
CORRECT TIME": Change the back-up batteries when the
radio no longer saves the time.
Always replace all the batteries at the same time. Only use
batteries from the same manufacturer and which have the
same capacity.
Take the back-up batteries out of the radio if you are
u
not using it for a prolonged period of time. When
Bosch Power Tools
stored in the radio for longer periods, the back-up batter-
ies can corrode and discharge themselves.
Operation
or to
Protect the radio against direct water contact. Water
u
entering the radio increases the risk of an electric shock.
Keep the covers of the battery compartment, media
u
compartment and alternating current connections
closed whenever possible. The closed covers protect
the radio against water and dust.
Audio Operation
Switching On and Off
Capacity
To switch on the radio, press the on/off button (15). The
60−100 %
display (16) is activated and the audio source that was set
30−60 %
the last time the radio was switched off is played back.
5−30 %
To switch off the radio, press the on/off button (15) again.
The current setting of the audio source will be saved.
0−5 %
Adjusting the Volume
After the radio is switched on, the volume is always set to
low.
To increase the volume, turn the clock button (14)
(GPB 18V‑5 C) or the menu button (22) (GPB 18V‑5 SC)
Capacity
clockwise; to reduce the volume, turn anticlockwise.
80−100 % The volume setting will appear in the display with a value
between 0 and 30. Before adjusting or changing a radio sta-
60−80 %
tion, set the volume to a low setting; before starting an ex-
40−60 %
ternal audio source, set the volume to a medium setting.
20−40 %
To switch off the sound, you can briefly press the mute
button (12). The mute indicator (f) will appear in the dis-
5−20 %
play.
0−5 %
To switch on the sound again, either briefly press the mute
button again or turn the clock button (14) (GPB 18V‑5 C) or
the menu button (22) (GPB 18V‑5 SC) clockwise.
Adjusting the Sound
An equalizer is integrated in the radio for optimal sound re-
production.
The treble and bass setting can be manually changed or
sound pre-sets for various music styles can be used. You can
choose from the pre-programmed settings JAZZ, ROCK,
POP and CLASSIC, as well as the individually programmable
setting CUSTOM. The sound settings are saved separately
for each audio source.
To select one of the stored sound pre-sets, press the equal-
izer button (20) briefly as many times as needed until the re-
quired setting appears on the sound pre-set indicator (i) in
the display.
Changing the Setting CUSTOM:
– You can adjust the treble and the bass within a range of
−5 to +5.
– Press the equaliser button (20) for longer than
0.5 seconds. CUSTOM appears on the sound pre-set
indicator (i) in the display.
English | 17
1 609 92A 6UJ | (01.06.2021)