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E-scooter CITY BOSS  R3 

 

ENGLISH 

 

44 

 

 

 

Cruise control operation 
When keeping power / speed for about 6-10 seconds, the cruise control is activated - the 
symbol 

 appears on the display. The cruise control keeps the engine power (speed may 

vary depending on the terrain) even if you do not press the throttle. 
The cruise control function is interrupted when pressed any brake lever or throttle - symbol 

 dissapears. 

 
USB port 
On the backside of the display there is a USB port that allows you to power / charge a mobile 
phone or tablet when the scooter is on. 
 
Error messages 
If the e-scooter is defective, the error symbol may appear on the display: 

 

brake error (this symbol is always displayed when the brake lever is pressed - this is 

 

not considered an error) 

 

motor error 

 

throttle error 

 

controller error 

 
Display settings 
You can also customize some of the e-scooter functions on the display. 
Turn the display on and press simultaneously ON/OFF and MODE buttons for a few seconds. 
Press MODE shortly to toggle the function. To adjust the factory preset value, press ON/OFF 
shortly (the value starts blinking), then shortly press MODE to increase or ON /OFF to decrease 
the value. To save the set value, leave the display idle for a few seconds.  
 
Preset factory values 

Function  Value  Setting options 

P0 

Tire diameter. There is no need to change. 

P1 

315 

Undervoltage protection. 

DO NOT CHANGE - the battery can be damaged 

or destroyed!

 

P2 

18 

Display speed adjustment. Higher value = lower speed. 

P3 

Speed measurement method. 

DO NOT CHANGE!

 

P4 

Speed unit. 0 = km/h; 1 = mile/h. 

P5 

Safe-start mode. 0 = the throttle also responds to the standing scooter.  

P6 

Cruise control. 0 = cruise control function is deactivated. 

P7 

Acceleration mode. 1 = very powerful start (not smooth). 

P8  

100 

Max. speed limit. Lower value = lower max. speed. 

 
 
 

 
 

Summary of Contents for R3

Page 1: ......

Page 2: ...d will become a part of your life Enjoy the new experience of riding and return safe home Table of contents E scooter main parts 39 Safety instructions 39 Before the first trip 40 Unfolding e scooter 41 Folding e scooter 42 Display operation manual 43 Battery charger 45 Riding instructions 46 Maintenance 46 General troubleshooting 47 Battery disposal 47 Scope of warranty 48 Specifications paramete...

Page 3: ...ntrol method before riding 4 Do not do stunts or ride the scooter only by single hand Keep the feet on the device 5 Do not ride the device on oil or ice 6 Do not use the device under 5 C 7 Do not sink the device into the water depth of 3 cm or deeper It would cause a short circuit fault of the motor or electronic parts 8 If you do not use the device for longer time charge the battery to around 60 ...

Page 4: ...fixing bolt Brake lever Position the brake lever to be convenient for holding and tighten the brake clamp Display Loosen the fixing bolts of the display clamp and rotate the display so that it is clearly visible and the throttle lever is handy Then tighten the fixing bolts again Remove the protective film from the display Quick release clamp The quick release clamp on the handlebar rod should be a...

Page 5: ...ar Battery capacity Charge the battery to 100 capacity the LED on the charger lights green UNFOLDING E SCOOTER Thanks to the fast and safe folding mechanism the E scooter is easily transported and stored STEP 1 Slightly lift steering bar to release weight open the folding lock you hear click and keep unfolding the frame until the bar in folding mechanism is inserted in the second slot you hear cli...

Page 6: ...pulling the sleeves ourwards You can also lubricate the sleeves Proper sleeve function may only occur after several trips You can also adjust the space in the sleeves if the handles wobble too much see Before the first trip STEP 3 Push the lever down to unlock the folding mechanism STEP 4 Push the steering bar slightly forwards open the folding lock you hear click and keep folding the frame until ...

Page 7: ...ed on the last used speed level is set Change the speed level 1 press the Power button shortly the speed level number starts blinking on the display 2 press the Mode button shortly to change the speed level 3 to save the desired level press the Power button shortly or leave the display idle Press the Mode button shortly and the functions rotate as follows TRIP single ride distance Press Mode butto...

Page 8: ...ay settings You can also customize some of the e scooter functions on the display Turn the display on and press simultaneously ON OFF and MODE buttons for a few seconds Press MODE shortly to toggle the function To adjust the factory preset value press ON OFF shortly the value starts blinking then shortly press MODE to increase or ON OFF to decrease the value To save the set value leave the display...

Page 9: ...e the battery right after the trip never store the e scooter with low battery capacity If the battery does not charge after connecting to the charger contact your dealer The battery can be damaged by abnormal exposure to water shocks etc In such case the warranty will be void Contact your dealer if you notice a strange smell coming from the battery that the battery is very hot while riding that so...

Page 10: ...driving press the brake lever levers This disconnects the motor and slows down the e scooter Always press the rear brake the left lever first While braking slightly tilt your body backwards to protect the frame handle folding mechanism from excessive wear Stopping Hold the brake lever to interrupt the engine power and slow down Before stopping put one foot on the ground Avoid emergency braking to ...

Page 11: ...e is min 600 charging cycles If the worn out battery is fully charged and yet you only travel half a distance compared to the new battery replace the battery with a new one Bolts Check all parts are secured and the bolts are tightened before every ride Do not expose longtermly your e scooter to the sun frost or very humid environment Clean the e scooter after use GENERAL TROUBLESHOOTING When the e...

Page 12: ...sed by other equipment The warranty will be void if the product has been disassembled or repaired by an unauthorized person To request the warranty service contact your dealer In case you need to send your e scooter to service shop please keep the original packaging The e scooter CITY BOSS complies with standard ISO 12100 2010 EN 12184 2014 according to the CE directive 2006 42 EC SPECIFICATIONS P...

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