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Backlight Brightness Setting; Troubleshooting - Koso BB642W20 Instructions Manual

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4-4
THE CLOCK SETTING
●Ex.: To set the clock at 0:05.
●Press the Select button and release it until
it move to the digit you want to set.
Now the setting digit value is flashing!
NOTE
This is a 24H clock. The setting is in
order from hour to minutes.
●Press the Adjust button to change the
setting value.
●Press the Select button once to enter the

backlight brightness setting.

●EX. Now the clock is setting from 0:00
to 0:05.
4-5
Backlight brightness setting
●Ex.: To change the brightness to 3-5
(60 % brightness.)
 
●Press the Adjust button and release it until
it move to the setting digit you want.
NOTE
The setting range: 1-5 (Darkest) ~5-5
(Brightest), 5 different levels to choose from.
Setting unit : 20 % per level.
The backlight brightness will change
immediately when you select the value.
●Press the Select button once to enter the
internal odometer display setting.
●Ex.: The backlight brightness setting is
changed from 5-5 to 3-5.
Internal odometer display
4-6
●Press the Select button once to enter
the external odometer setting.
●Ex.: The internal odometer display is at
12500.0 km.
4-7
External odometer setting
●Ex.: To set the external odometer
to 15000.0 km.
●Press the Select button and release it until
it move to the setting digit you want.
●Ex.: The external odometer is set to
7750.0 km.
●Press the Adjust button to change the
setting value.
●Press the Select button once to go back
●Ex.: To change the external odometer setting
●The main screen.
6

Troubleshooting

The following situations do not necessarily indicate malfunction of the
product. Check the following points, before contacting us.
Trouble
Check item
The meter doesn't
● The power isn't supplied to the meter.
work when the
→Make sure the wiring is connected.
power is on.
The wiring and fuse are not broken.
→The battery is too old to supply needed
power (DC 12 V).
The meter shows wrong
● Check the voltage of your battery, and
information.
make sure the voltage is over DC 12 V.
Speed doesn't
● Make sure the speed sensor is connected properly.
 
appear or appears
● Check the tire size setting.
incorrectly.
→refer to section 4-2
Fuel gauge does not
● Check your fuel tank
appear or appears
→Do you have any fuel in it?
incorrectly.
● Check the wiring
→Make sure the wiring is connected properly
● Check the setting
→Refer to the manual 4-3.
The odometer and trip
● Maybe due to the power wire is not
 
meter are not adding up
connected well.
data.
→Check the red positive wire and make
  
sure it is connected well.
* If the problems still can't be solved, please contact our technical
department for assistance.
to the main screen
from 7750.0 to 15000.0 km.
wh642bb03b-P4-4

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