Instruction Manual for FrSky R9 Slim+ Receiver
Introduction
Thank you for purchasing FrSky R9 Slim+ 6/16CH long range telemetry receiver. It has lower latency and better compatibility
with all FrSky transmitters.Besides, the redundancy function ensures the security of your model. Its smaller size coupled with
reduced weight must be the best choice in your competition.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
Binding Button
VCC
S.PORT
S.BUS IN
S.BUS OUT
RSSI OUT
TX1
RX1
GND
CON1
Bind
6 /1 6 C H
TOP
Note: Please distinguish CON 1 and CON 2 when connecting.
Specifications
• Dimension: 32*13.5*5mm (L × W × H)
• Weight: 4.3g (with antennas)
• Numbers of channel:
R9 Slim + EU Version Non-EU Version
Telemetry No telemetry Telemetry
Mode
6/8CH 6/16CH 6/16CH 6/16CH
Numbers of channel
*Note: OpenTX 2.2.2, FrOS 1.2.5/1.5.5 and their improved versions support 6/16CH with telemetry
under EU Version.
• With RSSI Output : Analog 0~3.3V
• Operating Voltage Range: DC 3.5V~10V
• Operating Current: 100mA@5V
• Operating Range: up to 10km or above
• Firmware Upgradable
• Compatibility: R9M and R9M Lite
Features
• Small and Convenient setup
• Low latency and high precision
• Support redundancy function
• Smart Port enabled and support telemetry data transmission
• Battery voltage detection
LED
L E D G
L E D R
VCC
CH6/TX
CH5/RX
CH4
CH3
CH2
CH1
GND
CON 2
LEFT
CON 1
VCC
S.PORT
S.BUS IN
S.BUS OUT
RSSI OUT
TX1
RX1
GND
Green LED Red LED Status
ON ON Waiting To Bind
ON Flashing Binding Successfully
Flashing OFF Normal
OFF Flashing Signal Lost
Note: Reserved serial port (TX RX) for further
improvement.
TX1 are unreversed SBUS signal.
RX1 are unreversed S.Port signal.
*
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.
Binding Procedure
Binding is the process of uniquely associating a receiver to a transmitter RF module. A transmitter external RF module can
be bound to multiple receivers (not to be used simultaneously). A receiver can only be bound to one RF module.
A: In R9M mode
1. Put the transmitter RF module into binding mode
1.1 For Taranis Series transmitters, turn on the transmitter, go to MENU-MODEL SETUP- PAGE 2, choose External RF Mode-
R9M/R9M Lite (EU) or FCC, and select BIND (OpenTX2.2.2 and its improved versions are strongly recommended).
Instruction Manual for FrSky R9 Slim+ Receiver
1.2 For Horus Series transmitters, turn on the transmitter, go to RF SYSTEM, choose External RF (ON), and select BIND under STATE.
2. Connect the battery to the receiver while holding the Bind button on the receiver. The RED LED on the receiver will flash,
indicating the binding process is completed.
3. Reboot the receiver and switch the RF module back to the normal mode. The flashing of the GREEN LED on the receiver
indicates the receiver is receiving commands from the transmitter.The binding of the receiver/transmitter moudle will not have
to be repeated, unless one of the two is replaced.
B:In PPM mode
1. For Non-EU Version, turn on Switch1 and Switch2 on R9M. For EU Version, select No Telemetry or Telemetry mode on
R9M, then power on R9M while holding its F/S button, Green LED will be on and Red LED will be flashing.
2. Connect the battery to the receiver while holding its Bind button. The Red LED on it will flash, indicating the binding process
in completed.
3. Reboot the R9M and the receiver. The flashing of the GREEN LED on the receiver indicates it is receiving commands from
the transmitter. The binding of the receiver/R9M will not have to be repeated unless one of the two is replaced.
Note: After binding procedure is completed, resupply the power and check if the receiver is truly communicating
with the transmitter.
How to enable/disable the receiver telemetry
-- For Taranis series transmitters, go to the MENU-MODEL SETUP-PAGE2, choose External RF MODE R9M/R9M Lite LBT (EU)
or FCC, then select Bind, choose telemetry or not.
-- For Horus Series transmitters, turn on the transmitter, go to the RF SYSTEM, choose the External RF and select the R9M,
then select Bind under the STATE, choose the telemetry or not.
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 “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
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 fai lsafe is n ot se t, th e mod el will hold the last posit ion aft er signal is lost, thus it may fly away or
cause injury.
switches, you will
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
installa tion. T his equipmen t generate s uses and can radia te radio frequency energy and, if not installe d and used in
accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee
that interference will not occ ur in a particul ar installation. If this equipment does cause harmful i nterference to rad io or
television reception, which can be determined by turning the equipment off and on, the user is encouraged t
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
o try to correct