COMPONENT ILLUSTRATIONS
-SPD
CURRENT SPEED
-ODO
ODOMETER
-DST
TRIP
DISTANCE
-MXS
MAXIMUM
SPEED
-AVS
AVERAGE
SPEED
-TTM TOTAL TRIP TIME
-TM
TRIP
TIME
-RAT
RIDING ALL TIME
-CLK
CLOCK
12H/24H
.
-SW
STOPWATCH
- TEMPERATURE
-TM UP TRIP
TIME UP
-TM DN TRIP TIME DOWN
-TRIP UP TRIP DISTANCE UP
-TRIP DN TRIP DISTANCE DOWN
-
COMPARATOR
-
-MAINTENANCE ALERT
-CARE
-
-SETTING TYRE
CIRCUMFERENCE
-SETTING THE LAST VALUE OF ODOMETER / ODO
-SETTING THE LAST VALUE OF TOTAL TIME
-FREEZE FRAME MEMORY
-LCD BACKLIGHT
LOW BATTERY INDICATOR
-AUTO
ON/OFF
(
（
）
(
/
0.00
9999km m
Km Mile SELECTION
～
/
)
-20
0
REMINDER
OVER SPEED REMINDER
-
-
℃ ~7 ℃)
HEAD UNIT ILLUSTRATION
ENGLISH
SD 558A
-
FUNCTIONS ILLUSTRATIONS
BATTERY INSTALLATION
Remove the battery cover
from the bottom of the computer
by using a flat blade screwdriver,
install a CR2032battery with the positive
(+) pole facing the battery cover and
replace the cover. Should the LCD
show irregular figures, take out
the battery and reinstall it.
WIRELESS TRANSMITTER MAGNET
&
Attach the sensor transmitter to the left fork blade, the closer the better.
Using the shims to adjust the diameter, and using the cable ties(show
below) to tie it with the fork. Position the sensor transmitter and magnet
as shows, make sure that the arc of the magnet intersects the alignment
marked on the sensor transmitter with 1
mm clearance. Alignment, spin
the front wheel with computer in speed mode. Adjust the position of sensor
and magnet when there is no or weak reaction.
.
5
.
SET WHEEL SIZE
Default wheel circumference setting is
2080mm Choose correct wheel circumference figure from Reference
Chart
Press
Button to advance as needed and SET button to
confirm and advance
Range 0 9999mm
.
.
. (
: -
)
UP
TIRE SIZE
CIRC
TIRE SIZE
CIRC
TIRE SIZE
CIRC
700CX38mm
2180
650CX23mm
1990
26 x1 75
2035
700CX35mm
2168
650CX20mm
1945
26 X1 5
1985
700Cx32mm
2155
27 x1 1 4
2161
700Cx25mm
2124
26 x2 25
2115
20 x1 1 4
1618
700Cx23mm
2105
700Cx20mm
2074
700CxTubular
2130
"
.
"
"
. "
"
- / "
"
. "
"
. "
"
.
"
"
- / "
26 X1 25
1953
700Cx30mm
2145
27 x1 1 8
2155
26 X1 0
1913
700Cx28mm
2136
26 x2 3
2135
24 x1 9
1916
26 x2 1
2095
1 6 X2 0
1253
26 x2 0
2074
1 6 X1 95
1257
26 X1 9
2055
1 6 X1 5
1206
"
.
"
"
- / "
"
. "
"
. "
. "
. "
"
. "
. "
.
"
"
. "
. "
. "
Press UP button to set 12 24hour
exchange Press the SET button to
confirm and enter to Hour setting,
when the figure indicating HOUR start to flash, press the UP button to
adjust it. Continue to press the SET button to enter Minute
setting mode, press the UP button to
adjust it
press SET button to set the wheel size
/
.
,
、
,
Second
Upon completion
.
MAIN UNIT SETUP
ENTER THE DATA SETTING MODE
,
.
In the
and
press
button
into DATA SETTING MODE
DST
ODO
MODE
for 3
seconds
SET
SET TEMPERATURE C F
( / )
When into the DATA SETTING MODE
press
button to choose
and
Press SET button to confirm and
enter into the CLOCK SET MODE
,
.
.
UP
C
F
SET 12 24 CLOCK
/
SET
KM H
(M H
(
/ ) /
/ )
After circumference setting it enters
to
km/h or m/h
setting mode.
Press the UP button to select the
km h or m h Press the SET button
confirm and enter ODO SET
,
(
)
(
)
/
/ .
。
to
mode
SET ODOMETER
press UP button to adjust the flashing
ress SET button to
advance
The default number is 0000 range 0 9999kms
miles
when the ODO setting
finished press SET button to
.
.
.
(
: -
/
) .
,
.
ODO rercord P
is
mode
RAT
SET RAT
When in
press UP button to
adjust
,
RAT
RAT
is
mode
press SET button to advance
the default number is 00 00 00 range 0 9999Hrs
when the
setting
finished press SET button to DISPLAY mode
.
:
:
(
: ~
) .
,
.
When in
mode press MODE button
enter to TM UP AND TRIP UP mode press
SET button for 3 seconds to enter into
mode
Press UP button
to adjust
press SET button to advance
The TM UP default number is
00 00 00 range
the
default number is 000 0 range
000 0 999 9kms miles
Press "SET
back to TM UP AND TRIP UP mode
,
.
,
.
:
:
(
:
.
. (
:
. -
.
/
) .
"
DISPLAY
TM
UP AND TRIP UP SET
0 99 99 99Hrs
TRIP UP
-
.
.
)
SET TM UP AND TRIP UP
When TM UP AND TRIP UP mode
press
SET button to enter into TM DN
AND TRIP
mode
Press
button
to adjust press SET button
to advance
The TM DN default number is
00 00 00 range 0 99 99
Hrs
the TRIP DN defaultis 000 0 range
0 999 9kms miles
Press SET back to
DN
N
,
.
.
,
.
:
:
(
: ~
:
:
) .
. (
:
-
.
/
) .
DN
SET
for 3
seconds to enter into TM DN AND TRIP DN SET
Press UP button
99
.
TM
AND TRIP D
MODE
SET TM DOWN AND TRIP
O
N
D W
DST
In DST mode, the distance for one trip is indicated on the bottom line. DST
ranges from 0 9999km(m),when the value exceed the range limit, it restarts
from 0 automatically
Both the time and the distance records will be cleared
when the time of one trip exceed the range limit.
～
。
FUNCTION
SPD
Speed is shown all the time on the screen, its maximum reading is 99.9
km/h(m/h), and it's accurate to +/- 0.1km(m/n).
SPD CONTAST
During riding ,
and
indicates the current speed is higher or lower
than average speed(AVS) .
‘
’
‘
’
ODO
In ODO mode , the total distance is indicated on the screen, its mileage range
is 0.00
9999km(m).
he display will be back to 0 when value exceeds its
maximum limit
～
.
T
MAX SPD
AVS
In MXS mode, maximum speed is indicated on the bottom line.
In AVS mode, average speed is indicated on the bottom line.
TM
In TM mode, trip time is indicated on the top line. TM ranges
0 :00 :00
99 :59 :59. It will be back to 0 when value exceed the limits.
～
a Temperature too high, or display exposed to direct
sunlight for too long.
.
Black display
Display readout fades
a Poor battery contact or dead battery
.
Display shows irregular figures
a Take out battery and re-install it after 10 seconds.
.
Abnormal sound when shaking computer
a Rolling Ball switch voice/ shaking the computer in
sleep mode, computer auto wake-up.
.
MALFUNCTIONS AND PROBLEMS
KMH NO DISPLAY
a Improper magnet/sensor alignment
.
Inaccurate value is indicated
A
.
Improperly input, such as wheel circumference.
Slow display response
a Temperature exceeds operating limits(0
55
).
.
℃ ～
℃
INSTATION PROCEDURES
MOUNT BRACKET
HEAD UNIT
&
Attach the computer to the mounting shoe by sliding the unit
until it snaps firmly into its postion. To remove it, press the
button on it in the opposite direction.To check for proper
speed function and sensor alignment
.
OUT
IN
MAINTENANCE ALERT
CARE REMINDER
COMPAPATOR
LOW BATTERY INDICATOR
UP BUTTON
SET BUTTON
MODE BUTTON
Cable tire
Cable tire
MODE INSTRUCTION
When set up the battery
it into the
DISPLAY DST
mode Still press MODE
button
will go into UP or DOWN
MODE
The DST MODE is the
default one
,
(
)
.
,
,
.
RETURN TO FACTORY SETTING
,
,
.
.
in any mode press SET and UP button for 5
seconds
clear all the data
except CLOCK Put off
battery will clear all the datas and return
to factory setting
the
TTM
All riding time T
.
TM ranges 0 :00 :00
9999hr.
～
If no signal has been inputted for 300 seconds,
computer will enter into Sleep Mode
CLK
remains. It will turn back to the former mode with all
the data collected when any signal is inputted or
any button is pressed.
,
automaticly
but
s
SLEEP MODE
BACK LIGHT
STOPWATCH
In DST or ODO mode Press SET button
STOPWATCH appears.
Start stopwatch with UP button, press UP button again and
the watch stops, with another UP button it starts again
Press SET button again
the watch goes to zero.
,
,
.
,
The backlight function is switched on when you
press
buttons
and switch off
automaticly in seconds
:
:
~
:
,
.
.
any
during PM 17 00 AM 08 00
It will not work at any other time
FREEZE FRAME MEMORY
Press the UP button in any MODE
Except STOPWATCH
mode will enter into freeze frame memory mode.
Flashing TM data will appear on the screen.the display will
show the records
DST TTM or TM SPD Go on press the
UP button will exit this mode
(
)
,
,
.
.
of
RAT
Total elapsed time RAT
.
～
ranges 0 :00 :00
9999hr.
TEMPERATURE
The range for the temperature is as follows
20C
C or
4F
F
:
-
-
-
-
70
1 5 8
OVER SPEED REMINDER
-
When the SPD 20KM H the SPD will
shining when the
speed 20KMH it will stop
>
/ ,
;
<
,
.
be
MAINTENANCE ALERT
When the
KM the
will
shining
will clear
ODO 500
be
press both UP and
MODE at same time it
>
,
,
,
CARE REMINDER
When the
KM the
will
shining
at same time will clear
ODO 300
be
press both SET and
MODE
>
,
,
If the wheel size is not on the chart or if you want a more precise
calibration wheel circumference maybe calculated as following Mark the
tire and a spot on the floor Roll the wheel forward acomplete revolution
until the tire mark touches the floor against and mark the spot Measure
the distance betwen the marks on floor in millimeters and enter the
result into the computer
1 inch 2 54mm
,
,
:
.
.
. (
= .
)
