6
INSTRUCTION MANUAL
GR300BT
Note:
The time setting will be retained as long as the 12V power source remains
connected. If the 12V power source is disconnected, the time setting will be lost and
will need to be readjusted once the power is restored.
Selecting 12 or 24 Hour Mode
1. Press and hold the
SEL
key. ‘CL XX’ is displayed where XX is the clock setting.
2. Rotate the
Control Knob
left or right to make your selection.
(i) Select ‘CL 24’ to display a 24 hour clock.
(ii) Select ‘CL 12’ to display a 12 hour clock.
(iii) Select ‘CL OF’ to disable the time display whenever the GR300BT is switched
off (the time display is still available when the GR300BT is switched on).
The radio will return to the normal display after a few seconds
Note:
If the 12 hour clock option is selected, ‘A’ for AM or ‘P’ for PM will be displayed
directly above the time.
KEY BEEPS
The GR300BT normally provides a confirmation beep whenever a key is pressed.
If preferred, the beep can be disabled. To disable the beep;
1. Press and hold the
SEL
key. ‘CL XX’ is displayed where XX is the clock setting.
2. Briefly press
SEL
again to access the Beep setting. ‘BEEP’ is displayed.
3. Rotate the
Control Knob
left or right to enable or disable the key beep.
(i) Select ‘BEEP’ to enable the key beeps.
(i) Select ‘OFF’ to disable the key beeps.
The radio will return to the normal display after a few seconds
ADJUSTING THE SOUND
Volume
During normal use the
Control Knob
will default to the volume mode.
To adjust the volume, rotate the
Control Knob
to the right to increase the volume or
to the left to decrease the volume. The volume level is displayed on the LCD in values
from 0 (min) to 30 (max)
Bass
To adjust the Bass, briefly press the
SEL
key until the
icon is displayed. Rotate
the
Control Knob
to the right to increase the Bass or to the left to decrease the
Bass. The selected setting will be displayed on the LCD in values from -10 (min) to
+10 (max). For a flat bass response, select 0.
