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Profile Overview

Profile #1 - “High Speed Performance”

Cutoff Voltage- 

LiPo 3S

Brake/Reverse Role- 

Forward only **

Motor Timing- 

Normal

Initial Acceleration- 

High **

Drag Brake- 

Low

Brake- 

Braking

Vehicle Speed- 

Maximum

Reverse Speed- 

(Not active)

Profile #2 - “Bashing Fun”

Cutoff Voltage- 

No Cutoff (NiMH)

Brake/Reverse Role- 

 Forward with Pause then Reverse **

Motor Timing- 

Normal

Initial Acceleration- 

Medium **

Drag Brake- 

Medium

Brake- 

Medium

Vehicle Speed- 

Medium

Reverse Speed- 

Medium

Profile #3 settings (Default): “Low Speed - Beginner”

Cutoff Voltage- 

No Cutoff (NiMH)

Brake/Reverse Role- 

 Forward with pause then Reverse **

Motor Timing- 

Low

Initial Acceleration- 

Low **

Drag Brake- 

High

Brake- 

High

Vehicle Speed- 

Low

Reverse Speed- 

Medium

** QPC cannot change

Selecting profiles:

Notice that Profile #3 is set from  

the factory as the DEFAULT. 

Overriding the Active Profile

There are three (3) saved profiles within the ESC, previously 

described.
To override a setting within the active profile, select a saved 

profile that resembles your needs, or make further changes 

to the current profile.  Review the QPC and set jumpers to 

your choice.  You must make a choice for each area of the 

QPC, Cutoff Voltage, Brake, Drag Brake, Vehicle Speed, Reverse 

Speed, and Motor Timing.  
For example if you have the ESC active profile set to Profile #3 

(Default) and would like a little more speed but change nothing 

else, place the jumpers on the following choices.
Cut-off Voltage 

NiMH

Brake 

High

Drag Brake 

High

Vehicle Speed 

Medium (was Low)

Reverse Speed 

Medium

Motor Timing 

Low

Then follow the instructions for using the Quick  

Programming Card. You can change one setting at a  

time or any combination.
Making the above change is ONLY overriding the active profile.  

At any time, you can reset the ESC to profile #3 and the active 

profile is returned to the original profile #3 settings.

Selecting Profiles

1. 

Turn the Transmitter on.

2. 

Turn the vehicle on.

3. 

With the ESC turned on and ready for operation, press 

& hold the setup button until both the Yellow and Blue 

LED flash.

4. 

Release setup button.

5. 

The status LEDs flash to indicate the current  

profile setting.

LED status for each Profile below:

Profile 1  

Yellow and Blue LED flash

Profile 2  

Yellow, Blue and Green LED flash

Profile 3  

 Yellow, Blue, Green and Red Flash

 

(default setting)

6. 

To make a change, quickly press the setup button, 

which will advance you to the next profile.

7. 

When you are finished, press and hold the setup  

button 2 seconds, the 4 status LEDs will scroll 

and the new selection will be stored to the active 

memory of the ESC.

8. 

If you do not press the setup button within 15 

seconds, the 4 status LEDs will scroll to indicate you 

are exiting programming. The ESC will return to 

neutral and be ready for use without any change.

These stored settings, also referred to as “profiles,” are  

defined here.

Modifying ACTIVE profile with the  

Quick Programming Card (QPC)

The Xcelorin Quick Programming Card (QPC) is used to make 

all adjustments to the active profile in your ESC. Any ACTIVE 

profile can be modified.
Using the QPC you can set the following:

Cut-Off Voltage

• 

NiMH (NiCd)

• 

2S LiPo 

• 

3S LiPo

Braking Strength

• 

Low

• 

Medium

• 

High

Drag Brake

• 

Low

• 

Medium

• 

High

Vehicle Speed (By throttle limiting)

• 

Lowest

• 

Low

• 

Medium

• 

Maximum

Reverse Speed

• 

Low

• 

Medium

• 

Maximum

Using the Quick Programming Card

With the QPC in your hand and the back facing you, notice the 

small jumper connectors. The jumpers are used to indicate 

which function you want to activate.

To change the settings rearrange the small jumpers to the 

desired settings.
To Upload to the ESC do the following:

1. 

Ensure the transmitter and vehicle are turned off.

2. 

Make sure a battery pack is installed that has some 

charge in it.

3. 

Connect the battery to the vehicle.

4. 

Turn the power on to the ESC, wait for the Blue (or 

Blue/Yellow) LED to come on.

5. 

Disconnect the Signal wire for the ESC from  

the receiver.

6. 

Connect the Signal wire to the top of the QPC, ensure 

it is connected correctly.

7. 

Pay close attention to the ESC LEDs and you will notice 

the Red LED flash, and on the QPC the Red LED will 

come on. If you did not notice the ESC Red LED flash, 

you can unplug the Signal wire from the QPC and 

reconnect again to verify the operation of the Red 

LEDs. Once you see the ESC Red flash and the QPC turn 

on Red, the ESC accepted the programming.

8. 

Disconnect the Signal wire from the QPC, turn off the 

power switch.

9. 

Reconnect the signal wire into the receiver.

10. 

The ESC has been updated and you are ready.

Note: If you should happen to lose any of your 

jumpers they are the same jumpers used with 

computers and easily obtained at a computer store.

Summary of Contents for Speed T

Page 1: ...1 Not responsible for errors All prices subject to change without notice Losi a Division of Horizon Hobby Inc...

Page 2: ...ting Ready Thoroughly read all the enclosed material precautions and follow instructions to avoid damaging your new RC vehicle If you choose to not follow these steps or instructions it will be consid...

Page 3: ...instructions and safety precautions supplied by the battery manufacturer This applies to the selected LiPo charger as well Supplied tools 2 Way wrench Radio Adjusting Screw Driver Transmitter Receive...

Page 4: ...2 4GHz DSM Receiver Rear Body Mount Xcelorin Brushless Motor Wheelie Bar Gear Slipper Cover Steering Trim ST Trim Throttle Trim TH Trim Throttle Brake Trigger Steering and Throttle End Point Adjustmen...

Page 5: ...The less expensive batteries will generally lose their performance after continuous use in this high drain application We do not recommend the use of batteries referred to as Stick Packs they are comm...

Page 6: ...ion of your Speed T LOSB9613 Losi EC3 Charge Adaptor with Banana Plugs Installing Batteries Transmitter Remove the battery cover from the bottom of the transmitter by sliding it away from the base of...

Page 7: ...setup and performing maintenance 1 Read the safety precautions found on page 3 This is important for your safety and prevention of personal injury 2 Charge the battery pack you have chosen NOT INCLUDE...

Page 8: ...and decrease throw turned counter clockwise Steering First set the steering trim so the Speed T goes straight without touching the steering wheel Lift the vehicle off the ground and turn the steering...

Page 9: ...ust make a fine adjust to the Throttle trim knob on the transmitter Sometimes during the bumps and bounces of transportation the settings can be slightly altered Overview The Losi Xcelorin electronic...

Page 10: ...Green LED flash Profile 3 Yellow Blue Green and Red Flash default setting 6 To make a change quickly press the setup button which will advance you to the next profile 7 When you are finished press and...

Page 11: ...loose wheel nut or anything loose on the steering assembly The vibrations of running at high speeds tend to loosen screws and nuts The Speed T s gearing choice from the factory IS NOT meant for runni...

Page 12: ...further out the inside position is relative to the outside the more camber gain total camber change through the total throw of the suspension is present This is an adjustment that is difficult to mak...

Page 13: ...onally you may want to raise the front ride height to get a little quicker steering reaction but be careful as this can also make the Speed T easily flip over Every driver likes a little different fee...

Page 14: ...on and allow more speed Use the following formula to calculate the overall ratio for combinations not listed on the gear chart Spur Gear Size Pinion Gear Size X 2 43 Final Drive Ratio When using highe...

Page 15: ...children without direct adult supervision The Product manual contains instructions for safety operation and maintenance It is essential to read and follow all the instructions and warnings in the manu...

Page 16: ...cles Profiles The Xcelorin ESC has three 3 preset profiles Each profile contains the individual ESC settings that are collectively called a profile There is a beginner profile an expert profile and a...

Page 17: ...XXX XXX T 6 00 LOSA4132 Front Bumper Motor Guard Speed T 6 99 LOSA4133 Front Rear Body Mounts Set Speed T 4 99 LOSA4134 Wheelie Bar Set Speed T 9 99 Part Number Description Price LOSA4136 Front and R...

Page 18: ...T 19 95 LOSA6951 3 32 Carbide Diff Balls 12 10 95 LOSA9713 Graphite Kickplate Bulkhead Steering Brace 16 00 LOSA9831 Graphite Composite Rear Pivot Plate XXX XXX T 6 50 LOSA9940 Aluminum Hardcoated Su...

Page 19: ...LOSA6903 LOSA9941 LOSA6401 LOSA2960 LOSA4015 LOSA4170 LOSA4170 LOSA6206 LOSA4122 LOSA6210 LOSA6204 LOSA6074 LOSA6100 LOSA1620 LOSA6350 LOSA6229 LOSA4224 LOSA1620 LOSA2164 LOSA4125 LOSA6306 LOSA1022 LO...

Page 20: ...38 39 Use this page to record tuning information Use this page to record tuning information...

Page 21: ...40 2008 Losi A division of Horizon Hobby Inc Not responsible for typographical errors All pricing subject to change without notice 800 0349 12660 1 Revised 08 09...

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