FrSky R9MM-FC-OTA Instruction Manual

Instruction Manual for FrSky R9MM-FC-OTA Receiver

Introduction

Thank you for purchasing FrSky R9 MM-FC-OTA full range telemetry receiver. Its compact size and light weight make it more
suitable for race drones. The R9 MM-FC-OTA supports wireless firmware updates over the air making binding to receivers
even easier. In order to fully enjoy the benefits of this system, please read the instruction manual carefully and set up the

device as described below.

Overview

+5V

GND

+5V

Inverted

S.Port

GND

S.Port

3.3V

ANT

Button

RED
GREEN

Red LED

On

Flash

Off

Off

Flash

Green LED

On

Flash

On

Flash

Off

Status

Register

Register successfully

Bind

Work Normally

Failsafe

Specifications

• Dimension: 12.4*12.8*3mm (L x W x H)

•

Weight: 3.5g

• Numbers of channel:

R9 MM-FC-OTA LBT Version Non-LBT Version

TX Mode Telemetry No telemetry Telemetry

Numbers of channel 16CH 16CH 16CH

• CH16 outputs RSSI

• Operating Voltage Range: DC 4V~6V

• Operating Current: 100mA@5V

• Operating Range: Up to 10km or above

•

Operating Frequency: 915MHz (Non-LBT)/868MHz (LBT)

• Compatibility: R9M 2019/R9M Lite/R9M Lite Pro with ACCESS

Smart Port (S. Port) is a signal wire full duplex digital transmission interface developed by FrSky
Electronic Co., Ltd. All products enabled with Smart Port (including XJT module, XSR,X6R and X8R receiver,
new hub-less sensors, new Smart Dashboard, etc), serial port user data and other user input/output devices
can be connected without limitations for numbers or sequences at a high transmission speed.

Features

• ACCESS Protocol and support OTA function

• F.Port enabled and supported telemetry data transmission

• Battery Voltage detection supported

• Low latency and high precision

Registration & Automatic binding (Smart Match )

With the FrSky ACCESS protocol, the transmitter/transmitter module can bind receiver without using the "F/S" button.
Follow the step below to finish the Registration & binding procedure:

1. Put the transmitter/transmitter module into [Reg] status.

1.1 For Taranis X-Lite Pro as an example, turn on the transmitter, go to the MENU-MODEL SETUP-PAGE 2, choose

R9MLP ACCESS, then select [Reg].

2. Connect the battery to the receiver while holding the F/S button on the receiver. The RED LED and GREEN LED on the
receiver will be on, indicating into the [Reg] status. Select [ENTER] on the transmitter, The RED LED and GREEN LED on the receiver
will flash, and the transmitter displays [Registration ok].

3. Turn off the receiver.

4. Move the cursor to select the receiver 1 [Bind].

5.

Connect the battery to the receiver, the GREEN LED on the receiver will be on, indicating into the [Bind] status. Select the RX, and

FrSky Electronic Co., Ltd. www.frsky-rc.com Contact us: [e-mail]
Add: F-4,Building C, Zhongxiu Technology Park, No.3 Yuanxi Road, Wuxi, 214125, Jiangsu, China Technical Support: [e-mail]

TM

External RF-Mode

Instruction Manual for FrSky R9MM-FC-OTA Receiver

the transmitter displays [Bind successful].

6. The transmitter exit [Bind], GREEN LED will flash, RED LED will be off, indicating working normally.

About OTA function

-- For Taranis X-Lite Pro as an example, go to the SD CARD 2/7, and select the FW, press the enter button, select [Flash receiver
OTA], power on the receiver, select the RX, go to the [ENTER], complete the flash process, the transmitter will display [Flash
successful]. Re-power the receiver and wait for 3 seconds, the Green LED starts flashing indicates the receiver works properly at the

momemnt.

Note: Update the firmware after the receiver gets binded.

How to enable/disable the receiver telemetry

-- For Taranis X-Lite Pro as an example, go to the External RF, select the Receiver, press the ENTER button, select the options,
and enable/disable the telemetry.

How to Set Failsafe mode (on the transmitter)

There are 3 failsafe modes: No Pulse, Hold, Custom

• No Pulse: on loss of signal the receiver produces no pulses on any channel. To use this type, select it in the menu and wait 9

seconds for the failsafe to take effect.

• Hold: the model will maintain the last position after the signal is lost. To use this type, select it in the menu and wait 9 seconds for

the failsafe to take effect.

• Custom: the customized position of each individual channel. The model will move to the pre-set position after the signal is lost. Move
the cursor to [Failsafe ][Custom][Set] and press ENTER, you will see FAILSAFE SETTING screen below. Move the cursor to the
channel you want to set failsafe on, and press ENTER. When moving the crresponding sticks or switches, you will see the channel
bar moving. Move the channel bar to the place you want for failsafe and long press ENTER to finish the setting. Wait 9 seconds before

the failsafe takes effect.

Note: If failsafe is not set, the model will hold the last position after signal is lost, thus it may fly away or cause injury.

FCC STATEMENT

1. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

1)

This device may not cause harmful interference.

2) This device must accept any interference received, including interference that may cause undesired operation.

2. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate
the equipment.

NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC
Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This
equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions,
may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

-Reorient or relocate the receiving antenna.

-Increase the separation between the equipment and receiver.

-Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

-Consult the dealer or an experienced radio/TV technician for help.

FrSky is continuously adding features and improvements to our products. To get the most from your product, please check
the download section of the FrSky website www.frsky-rc.com for the latest update firmware and manuals

FrSky Electronic Co., Ltd. www.frsky-rc.com Contact us: [e-mail]
Add: F-4,Building C, Zhongxiu Technology Park, No.3 Yuanxi Road, Wuxi, 214125, Jiangsu, China Technical Support: [e-mail]