IRC Ghost Atto Duo, Preliminary Operator'S Manual

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PWM Operation for micro-Fixed wing
The Atto receiver may be used for fixed-wing applications with up to 4 servos without any additional
hardware.
Pinout for PWM mode is as follows:
Specification Value
CH1 SBus Output ‘S’
CH2 Telemetry Input Pin ‘T’
CH3 ‘3’ Pad on bottom side of PCB
CH4 ‘4’ Pad on bottom side of PCB
Note: Production PCBs have ‘3’ and ‘4’ marked on the bottom of the board, pre-production doesn’t have the
markings, but pad location and function is the same.
Specification Value
Power 20mW downlink
Sensitivity (approx) Variable, -112dBm Normal Mode, -106dBm Race/PureRace
-117dBm Long Range
PWM Channels 4
UARTs One, Serial_TX/Telemetry
Protocols SBus, SBus Fast (200k)
USB None
Firmware Upgrades Over the air (OTA)
ImmersionRC Limited, Kwai Chung, NT, Hong Kong, www.immersionrc.com