King-Meter WH527-LCD User manual

KING-METER
WH527-LCD
USER GUIDE

KIN G-METER spe cific at ion of WH527- LCD dis pla y v1.0
CONTENTS
1.Preface.................................................................................................... 1
2.Appearance and Dimension................................................................... 1
2.1 Material and Color.......................................................................1
2.2 Dimension of Indication and installation.................................... 1
2.3 Button Definition and Material................................................... 2
3. User attention items..............................................................................3
4.Function summary and Indication Area................................................. 4
4.1 User Setting Summary.................................................................4
4.2 Area Indication............................................................................ 5
5. Interface Setting.................................................................................... 5
6. Function Setting of Interface................................................................. 6
6.1 Prepare for Power On..................................................................6
6.2 Power on/off................................................................................6
6.3 Battery Indication........................................................................ 6
6.4 Enter into Setting.........................................................................7
6.5 Consumption fat energy of single riding（J）Indication........... 9
6.6 Turn on the backlight...................................................................9
6.7 Choice of PAS Level......................................................................9
6.8 Push Cruise Control................................................................... 10
6.9 Error Code Indication................................................................ 11
7.User Setting.......................................................................................... 12
7.1 Wheel Size Setting..................................................................... 12
7.2 Speed Limit Setting....................................................................13
7.3 Backlight.................................................................................... 13

KIN G-METER spe cific at ion of WH527- LCD dis pla y v1.0
7.4 Switch Metric（Km）and British（Mp）Unit......................... 14
7.5 Exit Setting................................................................................. 14
8.FAQ........................................................................................................15
9.Barcode................................................................................................. 15
10.Warranty............................................................................................. 16
11.Wires................................................................................................... 17
12.Version................................................................................................ 18

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1.Preface
Dear users,
To ensure better performance of your e-bike, please read
through the WH-527 product introduction carefully before using. We
will use the most concise words to inform you of all the details
（including the hardware installation, setting and normal operation use
of the display）when using our display. Meanwhile, the introduction
will also help you to solve the possible confusion and malfunctions.D

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2.Appearance and Dimension
2.1 Material and Color
WH-527 products are made of PC. Under the temperature of -20
to 60℃, the shell material can ensure normal usage and good
mechanical performance. Real product and dimension figure.(unit: mm)
2.2 Dimension of Indication and installation
（unit：mm）

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2.3 Button Definition and Material
WH-527 buttons are made of PC, the material of button was
made of silicone rubber，BK，there are 3 buttons, it contain Power
ON/OFF mode button,

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3. User attention items
Take care when using the display and do not
connect/disconnect it with power on.
Try to avoid bumping or colliding the meter.
Do not release the waterproof sticker film attached on
the display to avoid impairing its waterproof
performance.
The parameters and settings of the meter are not expected
to be modified by the user; otherwise, your riding experience
will be affected.
The display should be delivered for repair as soon as
possible in case of malfunction.

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4.Function summary and Indication Area
4.1 User Setting Summary
WH-527 provides a wide range of functions and indicators to fit for
users needs. The indicated contents are as follow:
◆Percent of battery
◆Speed Display (including real-time speed, average speed and
max speed)
◆Unit choice of British/Metric（MPH/Km/H，Mile/Km）
◆Distance indication（Trip distance and total distance）
◆Time indication of single riding
◆PAS indication
◆Backlight
◆Consumption fat energy of single riding
◆Fault error and character indication of electronic control system
◆Various Parameters Setting, such as wheel size,
speed-limited, and so on.

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4.2 Area Indication
5. Interface Setting
When the e-bike power off ，fix the display onto the handlebar and
adjust to an appropriate visual angle. Tighten all the connectors.

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6. Function Setting of Interface
6.1 Prepare for Power On
Ensure the connector joint fix before power on display, and power
on the battery of e-bike.
6.2 Power on/off
Press Button for 2-3 seconds then the display will work
normally, and the controller will power on at the same time.
With display on，press >2s ，the display will shut down ，the
display will leave off battery ，the leakage current of display on is less
than 1μA.
6.3 Battery Indication
When the battery is in high voltage the 5 level all light on，when
the battery is in low voltage, battery frame will flash to notice that the
battery needs to be recharged immediately.
Low Voltage Flash

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6.4 Enter into Setting
After starting up the display, default show is running
speed. Press to change the indicated information in
sequence as below:
Running Speed (Km/h) → Average Speed (Km/h) → Max Speed
(Km/h)（unit：Km/h）
Trip Distance (TRP) → Total Distance (ODO) → Single Riding Time
(TIME)
6.4.1 Speed Indication
Running Speed Average Speed
Max Speed

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6.4.2 Distance and Time Indication
ODO TRP
Single Riding Time

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6.5 Consumption fat energy of single riding（J）Indication
With the display power on，the indication of riding distance and
consumption fat energy.If no use e-bike more than 10 min, the
indication will clear off.
Fat Consumption Indication
6.6 Turn on the backlight
When the environment light is dark, can turn on the LCD backlight.
Press >3s，turn on the backlight，and turn on the headlight by
controller. Press again>3s，can turn off the LCD backlight.
Turn on the backlight
6.7 Choice of PAS Level
Press or <2s，switch the PAS level，Change the motor
output power. Default output power of the display: 0-6，level-1: the min

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power; level-6: max power. The default value is level-1.
PAS Level Indication
6.8 Push Cruise Control
After press >3s，enter the mode of power assistant walk. The
e-bike will go on at a uniform speed of 6 Km/h. WALK shows on the
screen.
Push Cruise Indication
“Push Cruise Control” function can only be used
as pushing the e-bike by hands. Please don’t use
this function when riding.

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6.9 Error Code Indication
If there is something wrong with the electronic control
system, the error code will appear automatically. Here is the two serials
detail information of the error code:
○There are 5 serials character code fault which tell the user by which
reasons, here is the detail information of the error code in Table 1
attached.
○Other fault indication by code, here is the detail information of the
error code in Table 1 attached.
The follow is the 1 error code indication in 2 mode:
Literal code Digital code
Only after malfunctions are remedied will the error code exit. It is
not possible to run defective e-bike.

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7.User Setting
With display on，press and together>2s，enter into
normal setting, can choose mode by press
or ,the follow is setting indication：
○SET code 1——wheel size
○SET code 2——limited speed
○SET code 3——brightness backlight
○SET code 4——switch setting of British(Mp)/Metric(Km)
7.1 Wheel Size Setting
When the interface indicate SET code 1，press and <2s，
setting wheel size ，and press <2s to confirm the choice.
Settable wheel size ：16、18、20、22、24、26、700C、28、29. For ensure
the indication accuracy of speed and distance, the wheel size shown
on display is 26 inch by default.
Wheel size shown by default

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7.2 Speed Limit Setting
When the interface indicate SET code 2，press and
<2s, switch low or high speed, and press <2s to confirm the
choice.
The default max speed for riding is 25Km/h as delivery. To change
this value, you can set the max speed for riding，LS represents speed
limit. The optional range of max speed setting value: 12Km/h to
40Km/h.
Speed limit setting
7.3 Backlight
When the interface indicate SET code 3，press and
<2s, switch the backlight level, and press <2s to confirm the
choice.
BL represents backlight , the settable level is 1L-3L，1 represents
min dark ，2 represents standard bright，3 represents max bright。
Default level as delivery: 1L.
Backlight level

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7.4 Switch Metric（Km）and British（Mp）Unit
When the interface indicate SET code 3，press and
<2s, switch Metric （Km ）and British （Mp ）unit, and press
<2s to confirm the choice.
Switch Metric（Km）and British（Mp）unit
7.5 Exit Setting
At the state of setting，press <2s，it will confirm the input and
save the setting. press >3s,it will cancel operation and exit
setting，the current setting data will not save.
If there is not any operation in one minute, the display will exit
the setting mode automatically.

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8.FAQ
Q: Why the display is not able to start up?
A: Check the connector between display and controller.
Q: How to deal with the error code?
A: Fix it to the maintenance place immediately.
9.Barcode
The barcode of display divide into two lines.
The first line: WH527000001. WH527 represents the product name;
000001 represents the product serial number. The second line: 12 06 3
101801. 1206 represents the delivery date is the sixth week of 2012; 3
represents voltage parameter （2-24V，3-36V，4-48V）; 1 represents
sample product; 01 represents the hardware version of display, and
1801 represents the software version of display.

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10.Warranty
1 Warranty information
1. For any faults caused by product oneself quality problems
during normal use, we will be responsible for limited warranty
within the warranty period.
2. The warranty period is 24 months as delivery.
2 The following case was not at the scope of warranty
1. The housing is opened.
2. The connector is damaged.
3. The housing is scratched or damaged as delivery.
4. The cable is scratched or breakage.
5. Any failure or damage caused by force majeure (such as fires、
earthquakes、etc.) or natural disasters (such as thunder etc.)
6. Expired warranty