Gonow OMT-M3 User manual

Manual
OMT-M3 Ebike Intelligent Display

1. Material&Dimension
1) Material
Caser and Cover and Press button: ABS,
LCD window: PMMA
2)Outside and mounting dimension(mm)
Scew
1

3) Connection diagram:
To Head Light
To Controller
Wire definition:
Red：Power supply-VCC
Blue：Electronic lock-DS
Black：GND
Green：Data RXD
Yellow：Data TXD
BROWN：Head light(+) -DD
White：Head light(-)-GND
Remark：Connectors and Wire colors could be customized
5) Installation
●Install the display in the middle of handlebar, then adjust
to suitable angle, install the press button to left side ofhandlebar.
●Power off the device, connect the device to controller.
●Power on
2

2. Overview of OMOT-M3
1) UART protocol:
Equipped with independent press buttons
2) Speed：
Real-time SPEED，MAX SPEED，Average SPEED
3) kmh/mile：
Kmh/MPH according to habit
4) Battery level：
Indicates the battery level in real time
5) Head light control：
Press
button for 3 seconds to power on/off
6) Back light adjustment：
3-level adjustment
3

7) Assist level：
From 1 to 3, press button to change assist level.
8) Distance：
ODO/Trip/Driving duration
9) Error code：
Please refer to appendix table 1 for definition
10)6km mode：
In this mode, it will display
on the screen。
11)Parameter setting：
Set parameters, such as: wheel size, speed limit etc
3. Presentation of screen
6Km Mode
Head Light
Speed Mode
Battery Level
Assist Level
Speed
Driving Duration
Error Code
Distance Mode
4

4. Press button definition
OMT-M3 uses independent press button, in total three
buttons:
“UP”
“Power” “DOWN”
5. Operation instructions
1) Power ON/OFF
When the power is off, Long press
（Power）during 3
seconds ，screen will display all contents and start to normal
working mode, and controller will be turned on When the power is
on, Long press （Power）during 3 seconds，screen will be
powered off，and controller will be turned off . If no any operation
both on bike and display during 10 minutes (time could be set), the
5
1) Battery level: 5
l
2) Speed：Average SPEED/MAX SPEED/Real-time SPEED
3) Speed unit：Kmh/MPH
4) 6km mode：6km mode Display .
5) Assist level：actual assist level 1~3.
6) Head light icon：indicates when head light and back light are on.
7) Distance：Trip/ODO.
8) Error code：“REE” and code when there is error

display will turn off automatically , in this case, no power
consumption for both display and controller.
Figure 2
2) Different Speed display:
Long press
and
o switch different speed information，
Real time speed（SPEED）→ Max speed（MAX SPEED）→Average
speed（AVGSPEED）
Real time speed
Figure 3
6

Max speed
Average speed
Figure 4
Figure 5
3)ODO/TRIP/ Driving Time/Error Code
Short press
to switch ODO/TRIP/ Driving Time/Error Code
Trip(Single trip distance)→ODO(Accumulated distance)→
TM(Driving Time)→REE(Error Code)。
TRIP
ODO
Figure 7
Figure 6
7

Driving
Time
Error
Code
Figure 8
Figure 9
4)Assist level
Short press
level 1
or
to change assist level，default value is
Level 1
Level 5
Figure 10
Figure 11
5) Head light control
Long press
for 3 seconds turn on/off the head light。
8

Head Light
Figure 12
6) 6km mode
When the bike is stopped, long press
, will enter 6km/h mode,
the speed will be 4.5~7.5km/h according to different road
conditions, “ ” will show up on screen, long press
again or
short press ，will quit 6km/h mode. Long press or short press
could be customized by clients.
6Km Mode
Figure 13
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6. Parameter setting
When the display is powered on，long press
and ，will
enter parameter setting mode（Figure 14），in this mode, can
change parameter values，long press again
and
will
quit parameter setting mode or no operation during 10s will also
quit this mode.
In parameter setting mode，short press /
will
change parameter value，short press
value and switch to next parameter.
1) P01-back light lightness：
will save current
short press /
will switch from 1 to 3,Level 3 is
lightest. Level 2 is default value.
Level 2 – default value
Figure 14
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2) P02-kmh/MPH：
Short press /
to Switch kmh/MPH.
Km by default
Figure 15
3) P03-Working voltage：
short press /
to switch 24V,36V,48V, Default value
is 36V.
36V by default
4) P04-Auto shutdown time:
short press /
to switch from 0 to 60, it is the time(in
minutes) to shut down the screen automatically if no operation 0
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means never shut down, Default value is 10 minutes
5minutes
5) P05-Number of Assist levels：
Short press /
0：3 assist levels
1：5 assist levels
2：9 assist levels
to change level 0->1->2.
P05 = 1
6) P06-Wheel size selection：
short press /
to switch wheel size，in inch，step：0.1
inch
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26 inch
7) P07-Number of magnets for speed sensor：
short press /
to switch fromt 1 to 100.
One magnet for
Speed sensor
8) P08-speed limit：
short press /
to set the speed limit from 0 to 100Km/h,
100 means no limit.
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Speed limit 50Km/h
9) P09-Non-zero speed start：
short press /
to switch from0 to 1. 0：zero speed
start,1:non-zero speed start.
Zero speed start
10) P10-Driving mode
selection：
short press /
to switch from 0->1->2.
0：Assist mode (throttle does not work, only assist);
1：Electrical driving mode(only throttle works, assist does not work) ;
2：Both assist and Electrical driving mode(Not available if in zero speed
start and electrical driving mode);
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Driving mode :2
11) P11-assist sensitivity setting：
short press /
to switch from 1 to 24.
Assist sensitivity 3
12) P12-assist starting power
setting:
short press /
to switch from 0 to 5.
15

Starting
assist
power
of
13) P13-Assist magnetic disc types
short press /
to switch from 5->8->12 ，different
numbers of magnets.
12 magnets in the
disc
14) P14-Current limit for the
controller：
short press /
to switch from 1 to 20A
16

MAX current in controller
Is limited to 13A
15) P15-low voltage protection for controller
16) P16-Reset ODO distance：
long press
during 5 seconds
17
Controller is protected
under 29V

Cleared to 0
ODO is 0
17) P18-Reset all parameters：
long press
5 seconds，when it displays “SSSS”，all
parameters reset to default values(except for the ODO distance)
Ssss means reset to default value
7. Specifications
1) Power supply: 24V,36V,48V
2) Rated current: 10mA
3) Max current: 30mA
4) Leakage current after power off: <1uA
5) Current supply to controller:50mA
6) Working Temperature：-18~65℃
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7) Storage temperature：-30~80℃
8. Error code definition
When an error appears, OMT-M3 will notice users by different
codes, please refer to table 1 for different codes:
Code
(Decimal)
0
Signification
处理方式
Normal
6
Low Battery level
Motor error
7
8
Throttle error
Controller error
UART receive error
UART receive error
9
10
11
Table 1
9. Notices
Power on and power off must keep an interval of at least 3 seconds,
please don’t press “
” button frequently when it is powered off.
When the temperature is under -10℃, the screen will be a little
darker than normal, when the temperature increases, the screen
can go back to normal
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