XR2 Ultimate Micro ESC/Receiver
1. ESC/Receiver Features
Type
2.4GHz RX with Crawler ESC
Servo Port
Standard 3 Pin Servo Port
BEC For Servo
5V,1A
Battery
7.2V NiMH or 2S LiPo, JST connector (Use setup key to select battery type)
2. ESC/Receiver
Status
LED
Remark
LED Off: If after 4 sec with no TX
detected, it will flash 2 times repeatedly
to indicate loss of signal.
TX Off
Normal Operation: LiPo Mode
Normal Operation: NiMH Mode
LED Flashing Quickly
LED Solid On
To select battery type, See section 3
To select battery type, See section 3
3. Selecting Battery Type
During normal operation, hold the key for 5+ seconds until LED change status. Now battery type is changed and
saved in the memory.
4. Electrical Specifications
Description
Specifications
Low Voltage Cut-off (NiMH)
4V (Motor will stop once battery voltage below this value)
Low Voltage Cut-off (LiPo)
6.6V (Motor will stop once battery voltage below this value)
Max Battery Voltage
9V
Max Continuous Current
Max Peak Current
Thermal Protection
Stall Protection
3.5A
6A
110˚C
By current limit – 3A
BEC
5V, 1A with Thermal and Over Current Protection
XR2 Ultimate Micro Radio
1. Transmitter Features
Type
2.4GHz, Frequency Hopping, FHSS
2 Channel System
Programmable Steering End-points by Setup Key
Programmable Throttle End-points by Setup Key
Adjustable Steering Trim
Adjustable Throttle Trim
Dual Rate Steering
Low Battery Indicator LED
4
