Table of Contents
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Introduction ..................................... 1
Disclaimer ......................................... 1
Change History ................................. 1
.......................................................... 1
Installation Precautions .................... 2
Flying Precautions ............................ 2
Product Description ....................... 5
Box Contents .................................... 5
Transmitter........................................ 5
Specifications .............................. 5
Features ...................................... 5
Transmitter Controls ................... 6
Main Screen ................................ 9
Receiver ........................................... 9
Specifications ............................ 10
Features .................................... 10
Changing the Mode................... 10
Connections .............................. 11
Basic Operation ............................ 12
Adjust the Stick Lever Tension ....... 12
........................................................ 13
Binding ............................................ 14
Range Test ..................................... 14
Flight Mode ..................................... 15
Dual Rate (D/R) setting .................. 16
Model Parameter (Airplane) ........ 17
目 录
Reverse [Rev Set] .......................... 17
End Point [End Point] ..................... 18
Sub Trim [Sub Trim]........................ 18
Stick Curve [Stick Curve] ............... 19
Throttle Curve [THR Curve] ........... 20
Throttle Hold [THR Hold] ................ 21
Mix Set [Mix Set] ............................ 21
Delta Mixing [Delta Mix] ............ 22
V-tail Mixing [V-tail Mix] ............. 23
[THR▶BAL Mix] ......................... 27
Mix]............................................ 28
Servo Delay [Servo Delay] ............. 29
Airplane Gyro ................................. 30
Model Parameter (Helicopter) ..... 36
Reverse [Rev Set] .......................... 36
End Point [End Point] ..................... 36
Sub Trim [Sub Trim]........................ 36
Stick Curve [Stick Curve] ............... 36
Throttle Curve [THR Curve] ........... 36
Pitch Curve [PIT Curve] ................. 38
Throttle Hold [THR Hold] ................ 39
Swash Mixing [Swash Mix]............. 39
Servo Delay [Servo Delay] ............. 41
Model Parameter (Multi-rotor) ..... 42
Reverse [Rev Set] .......................... 42
End Point [End Point] ..................... 42
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Summary of Contents for DETRUM GAVIN 8C
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Page 1: Table Of Contents
目 录 Introduction ........1 Reverse [Rev Set] ......17 End Point [End Point] ..... 18 Disclaimer ......... 1 Sub Trim [Sub Trim]......18 Change History ......... 1 Stick Curve [Stick Curve] ....19 Indications and Symbols for Safe Use Throttle Curve [THR Curve] ... - Page 2 Sub Trim [Sub Trim] ......42 Reset Model [Reset] ....... 51 Stick Curve [Stick Curve] ....42 Channel Monitor ......52 Throttle Curve [THR Curve] ... 42 Throttle Hold [THR Hold] ....42 System Set ........53 Function Set ........43 Language [Language] ....
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Page 3: Introduction
Introduction Disclaimer Thank you for purchasing this DETRUM product. This is a 2.4GHz digital proportional R/C system with high performance. In order to make full use of the features of this product and to safely enjoy your R/C activities, please read this manual carefully before using. -
Page 4: Installation Precautions
GAVIN-8C Instruction Manual Installation Precautions It is very important to properly install the R/C system on the model aircraft. Please refer to the following instructions: In order to protect the receiver, wrap the receiver with 10mm foam rubber, and then fasten it with a rubber band or a Velcro strap. ... - Page 5 GAVIN-8C Instruction Manual Never fly on rainy day, thunder storm, when the wind is strong, and at night. Always keep away from humidity environment. The R/C system is composed of precision electronic components and mechanical parts. Please keep away from humidity environment to prevent the components damage from vapor and cause a failure which would lead to a crash.
- Page 6 GAVIN-8C Instruction Manual Do not touch the engine, motor, or other heating device during and immediately after use. These devices or components may become hot during use. For safety, always fly the aircraft in visible range. Flying behind tall buildings will not only lose sight of the aircraft, but also degrade the RF signal performance.
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Page 7: Product Description
Product Description Box Contents GAVIN-8C Transmitter DETRUM RXC8 Receiver Instruction Manual USB Cable (optional) Simulator Convertor (optional) 9g Servo *4pcs (optional) NOTE: The set contents depend on the type of set. Transmitter Specifications... -
Page 8: Transmitter Controls
GAVIN-8C Instruction Manual Low voltage alarm: Detecting the input voltage of the transmitter in real time, it will alarm in advance when it is low battery voltage. This will bring greater security for flight operation. Fail safe protection: Set the fail safe function by transmitter in advance. When the aircraft flies out of range, the receiver cannot receive a valid RF signal from the transmitter and will move the servos to predefined position. - Page 9 GAVIN-8C Instruction Manual NOTE: When the Stick Mode is set to MODE 1, the positions of sticks and digital trims are shown in the figure. The positions are different depending on the stick mode. For details, please refer to Stick Mode [Stick Mode] (Page 54). Screws to secure the rear cover (there are six screws) Carrying Handle...
- Page 10 GAVIN-8C Instruction Manual Switch SA: 3 positions, alternate, short lever SB: 3 positions, alternate, short lever SC: 2 positions, momentary, short lever SD: 3 positions, alternate, short lever SE: 3 positions, alternate, short lever ...
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Page 11: Main Screen
In the main screen, press ENT key to enter the main menu. GAVIN-8C Model Parameter Func Set Model Set Channel Monitor System Set Receiver This section is the introductions of DETRUM RXC8 Receiver. If you choose other receivers, please refer to the instructions of the other receivers. - 9 -... -
Page 12: Specifications
GAVIN-8C Instruction Manual Specifications Parameters RXC8 Specifications 2.4GHz, 8-channel receiver Type -97dBm Sensitivity larger than or equal to 4MHz Frequency interval 3.6V~16V Power supply Weight 39mm * 28.5mm * 14.5mm Size Features Using ARM M3 processor, provides strong resolution capability. ... -
Page 13: Connections
5 seconds later. Connections The channels of DETRUM RXC8 receiver are labeled with names, as shown in the following figure. For each channel, signal wire is close to the top of the receiver, middle is the positive and bottom is GND. -
Page 14: Basic Operation
Basic Operation Adjust the Stick Lever Tension This allows adjustment of the stick lever tension to meet different operating habits. Tools: Phillips screwdriver, ESD wrist strap or ESD gloves. Conditions: Before operating, please wear an ESD wrist strap or ESD gloves. Steps: 1. -
Page 15: Change The Location Of Throttle Stick
GAVIN-8C Instruction Manual Change the Location of Throttle Stick If you want to change the throttle stick from right-hand to left-hand, or change from left-hand to right-hand, it is need to change the location of the throttle stick, and then change the stick mode. The following is the method for changing the location of the throttle stick. -
Page 16: Binding
GAVIN-8C Instruction Manual 9. Install the batteries and the battery cover. NOTE: After changing the location of throttle stick and elevator stick, please change the stick mode. For details, please refer to Stick Mode [Stick Mode] (Page 54). Binding In order for the transmitter and receiver to communicate, it is essential to pair or bind them together. -
Page 17: Flight Mode
GAVIN-8C Instruction Manual GAVIN-8C transmitter allows you to reduce its power output and access the test mode. Then you can detect interference from environment and perform a range check. Steps: 1. Lower throttle to the lowest position and make sure the transmitter is powered off. -
Page 18: Dual Rate (D/R) Setting
GAVIN-8C Instruction Manual You can change between normal and throttle hold flight mode by toggling throttle hold switch. The switch can be customized, please refer to Function Set (Page 43). You can change between normal and acrobatic flight mode by toggling acrobatic flight switch. -
Page 19: Model Parameter (Airplane)
Model Parameter (Airplane) Before setting the model parameters, please select the Model and Type in the Model Set menu first. If the model is airplane, set Type to AIRPLANE. After entering the main menu, press UP or DOWN key to select Model Parameter, and then press ENT key to enter the Airplane Parameter interface. -
Page 20: End Point [End Point]
GAVIN-8C Instruction Manual Rev: It means the direction of selected channel is the reverse direction. The default is Norm. WARNING: Please set the Rev Set function before setting the Fail Safe function. Otherwise it will affect the direction of the fail safe (opposite to the original direction). -
Page 21: Stick Curve [Stick Curve]
GAVIN-8C Instruction Manual Setting Method: 1. In the Airplane Parameter menu, press UP or DOWN key to select Sub Trim, and then press ENT key to enter the setting interface. Sub Trim TxChs AIL:0 ： ELE:0 ： THR:-100 RUD:0 ： GEAR:0 ：... -
Page 22: Throttle Curve [Thr Curve]
GAVIN-8C Instruction Manual 2. Press UP or DOWN key to select the setting item, and then press R/+ or L/- key to set the value of the item. EPA: EPA (end point adjustment) is used to adjust the end point. The larger the value is, the larger the servo travel is when move the stick. -
Page 23: Throttle Hold [Thr Hold]
GAVIN-8C Instruction Manual 2. Press UP or DOWN key to select the setting item, and then press R/+ or L/- key to set the value of the item. For the descriptions of each parameter, please refer to Stick Curve [Stick Curve] (Page 19). -
Page 24: Delta Mixing [Delta Mix]
GAVIN-8C Instruction Manual Mix Set Delta Mix V-tail Mix Flaperon Mix THR BAL Mix Veer ELE Mix Delta Mixing [Delta Mix] Corresponding model type: airplane, delta wing CH1 (AIL): aileron CH2 (ELE): elevator Delta (elevon) mixing mixes channel 1 (AIL) to channel 2 (ELE) allowing the elevons to operate in unison (as elevators) or in opposition (as ailerons). -
Page 25: V-Tail Mixing [V-Tail Mix]
GAVIN-8C Instruction Manual Delta Mix TxChs AIL:0 Mix SW： ELE:0 AIL AIL： THR:-100 RUD:0 ELE AIL： -100 GEAR:0 AIL ELE： AUX1:0 AUX2:0 ELE ELE： AUX3:0 3. Press UP or DOWN key to select the setting item, and then press R/+ or L/- key to set the value of the item. - Page 26 GAVIN-8C Instruction Manual CH2 (ELE): elevator CH4 (RUD): rudder V-tail mixing mixes channel 2 (ELE) to channel 4 (RUD) allowing the ruddervators to operate both as rudders and elevators. Setting Method: 1. In the Mix Set setting interface, press UP or DOWN key to select V-tail Mix, and then press ENT key to enter the setting interface.
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Page 27: Flaperon Mixing [Flaperon Mix]
GAVIN-8C Instruction Manual it will adjust the elevator operation in the positive direction. The default is 100. RUD▶ELE: This parameter is used to set the mixing rate (percentage) from rudder channel to elevator channel. Values: -100~100. If the value is negative, it will adjust the elevator operation in the negative direction. - Page 28 GAVIN-8C Instruction Manual Flaperon mixing allows the ailerons to operate in the same direction (as ailerons) and in opposing directions (as flaps). Setting Method: 1. In the Mix Set setting interface, press UP or DOWN key to select Flaperon Mix, and then press ENT key to enter the setting interface. Flaperon Mix TxChs AIL:0...
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Page 29: Throttle To Balance Mixing [Thr▶Bal Mix]
GAVIN-8C Instruction Manual channel to aileron channel. Values: -100~100. If the value is negative, it will adjust the aileron operation in the negative direction. If the value is positive, it will adjust the aileron operation in the positive direction. The default is 100. ... -
Page 30: Veer To Elevator Mixing [Veer▶Ele Mix]
GAVIN-8C Instruction Manual it will adjust the aileron operation in the negative direction. If the value is positive, it will adjust the aileron operation in the positive direction. The default is 0. THR▶RUD: This parameter is used to set the mixing rate (percentage) from throttle channel to rudder channel. -
Page 31: Servo Delay [Servo Delay]
GAVIN-8C Instruction Manual -100~100. If the value is negative, it will adjust the elevator operation in the negative direction. If the value is positive, it will adjust the elevator operation in the positive direction. The default is 0. AIL-R: This parameter is used to set the mixing rate (percentage) from aileron channel to elevator channel when operating the aileron stick to right. -
Page 32: Airplane Gyro
GAVIN-8C Instruction Manual to set the delay value. Values: 0~20. The default is 0. The larger the value is, more slowly the servo speed changes. Airplane Gyro This menu is specifically designed to set the programmable items of the airplane gyro. - Page 33 GAVIN-8C Instruction Manual Airplane Gyro Mode Switch Yaw Gain Roll Gain Pitch Gain Mounting： Face Up Programmable items include: Mode Switch, Roll Gain, Pitch Gain, Yaw Gain, Offset on Roll Axis, Offset on Pitch Axis, Mounting, and Wing. If the receiver is disconnected or powered off, the transmitter cannot enter the Airplane Gyro setting interface and will enter the following interface.
- Page 34 GAVIN-8C Instruction Manual Mode Switch(SF) Position- ： Gyro Off Position- ： Auto-Recovey If AUX1 channel is set to OFF, the interface is shown as below. Please return to Step 1 and reset the value of AUX1 channel. Mode Switch AUX1 channel is OFF ...
- Page 35 GAVIN-8C Instruction Manual from any other modes in an emergency, the airplane will recover to the level flight automatically, which it is known as one-click rescue. This mode is suitable for the new beginners or the FPV (First Person View) applications. ...
- Page 36 GAVIN-8C Instruction Manual Reverse: Adjust the gain in negative direction. When the servo moves in reverse direction, Set the value to Reverse. The default is Normal. Angle Gain: This parameter is used to set the value (percentage) of the angle gain.
- Page 37 GAVIN-8C Instruction Manual The value must be consistent with the actual mounting direction. Otherwise the airplane cannot work properly. Values: Face Up: The mounting direction is face up. Face Down: The mounting direction is face down. Face Right: The mounting direction is face right. ...
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Page 38: Model Parameter (Helicopter)
Model Parameter (Helicopter) Before setting the model parameters, please select the Model and Type in the Model Set menu first. If the model is airplane, set Type to HELI. After entering the main menu, press UP or DOWN key to select Model Parameter, and then press ENT key to enter the Heli Parameter interface. - Page 39 GAVIN-8C Instruction Manual operation in response to throttle stick operation when the helicopter is in NORM flight mode. ACR THR Curve (Acrobatic Throttle Curve): It is used to adjust throttle servo operation in response to throttle stick operation when the helicopter is in ACR flight mode.
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Page 40: Pitch Curve [Pit Curve]
GAVIN-8C Instruction Manual Pitch Curve [PIT Curve] It is used to adjust pitch operation in response to throttle stick operation. The servo position can be set independently for a maximum of 9 point positions. You can set pitch curve for the HLD (hold), NORM (normal) and ACR (acrobatic) flight mode of helicopter respectively. -
Page 41: Throttle Hold [Thr Hold]
GAVIN-8C Instruction Manual ACR PIT Curve 1： 0.0 EPA: +100 2： 12.5 EXP: 3： 25.0 4： 37.5 LEVEL 5： 50.0 CUSTOM 6： 62.5 7： 75.0 2. Press UP or DOWN key to select the setting item, and then press R/+ or L/- key to set the value of the item. - Page 42 GAVIN-8C Instruction Manual set the swash type. Values: 1 Servo: Each channel controls one servo, each servo controls one kind of operation, without mixing. If the Type is set to 1 Servo, do not need to set the mixing rate in step 3. ...
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Page 43: Servo Delay [Servo Delay]
GAVIN-8C Instruction Manual pitch operation in the positive direction. The default is 100. PIT Mix: This parameter is used to set the mixing rate (percentage) from aileron to aileron and elevator when operating the aileron stick. Values: -100~100. If the value is negative, it will adjust the aileron and elevator operation in the negative direction. -
Page 44: Model Parameter (Multi-Rotor)
Model Parameter (Multi-rotor) Before setting the model parameters, please select the Model and Type in the Model Set menu first. If the model is airplane, set Type to MCOPTER. After entering the main menu, press UP or DOWN key to select Model Parameter, and then press ENT key to enter the M-Copter Parameter interface. -
Page 45: Function Set
Function Set The switches (SA~SF) on the transmitter can be used to customize as the control switch for throttle hold, acrobatic flight, aileron D/R, elevator D/R, rudder D/R, or other auxiliary functions. Setting Method: 1. Enter the function set interface by one of the following ways. ... - Page 46 GAVIN-8C Instruction Manual the value is set to OFF, the D/R status “ELE: D1” will display on the main screen and ELE Curve DR1 (defined in Stick Curve [Stick Curve]) will come into effect. RUD D/R: This parameter is used to set the control switch for rudder D/R function.
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Page 47: Model Set
Model Set In the Model Set menu, you can edit a model, switch to another model, set the model type, set the trainer function and fail safe function. GAVIN-8C can store a maximum of 30 aircraft models. After entering the main menu, press UP or DOWN key to select Model Set, and then press ENT key to enter the Model Set interface. -
Page 48: Select Model Type [Type]
GAVIN-8C Instruction Manual name. The model name is composed of a maximum of 9 characters which contains upper- and lower-case letters, numbers (0~9), or special characters. Setting Method: 1. In the Model Set menu, press UP or DOWN key to select Name, and then press ENT key to enter the Edit model name interface. -
Page 49: Trainer Set [Trainer Set]
GAVIN-8C Instruction Manual Trainer Set [Trainer Set] This function allows two transmitters to be connected by a trainer cord to allow dual control flight instruction. Then a skilled instructor can teach a student with fly skills using this trainer system. The instructor transmitter should be set for trainer operation. -
Page 50: Fail Safe [Fail Safe]
GAVIN-8C Instruction Manual (3) Press UP or DOWN key to select the channel, and then press R/+ or L/- key to set the value of the channel. Channels can be set include AIL, ELE, THR, RUD, GEAR, AUX1, AUX2, and AUX3. - Page 51 GAVIN-8C Instruction Manual settings. Setting Method: 1. In the Model Set menu, press UP or DOWN key to select Fail Safe, and then press ENT key to enter the setting interface. Fail Safe AIL： ELE： THR： RUD： GEAR： 2. Press UP or DOWN key to select the channel, and then press ENT key to enter the setting interface.
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Page 52: Timer Set [Timer 1/2 Set]
GAVIN-8C Instruction Manual AILERON Set： Fail Safe 4. Set the value to desired position. Values for each channel: -120~120. The default values for each channel are 0, 0, -100, 0, 0, 0, 0, and 0. Timer Set [Timer 1/2 Set] This transmitter incorporates two timer systems which are displayed on the main screen. -
Page 53: Reset Model [Reset]
GAVIN-8C Instruction Manual Hidden: This timer is enabled, but does not display on the main screen. UP Timer: This timer is enabled, and displays on the main screen as up timer. DOWN Timer: This timer is enabled, and displays on the main screen as down timer. -
Page 54: Channel Monitor
Channel Monitor You can check the status of each channel through the channel monitor. Enter the channel monitor interface by one of the following ways. On the main screen, press R/+ key to enter channel monitor interface directly. After entering the main menu, press UP or DOWN key to select Channel Monitor, and then press ENT key to enter the channel monitor interface. -
Page 55: System Set
System Set The System Set menu sets up functions of the transmitter, does not set up any model data. After entering the main menu, press UP or DOWN key to select System Set, and then press ENT key to enter the System Set interface. Language [Language] It is used to set the language displayed on LCD, including Chinese and English. -
Page 56: Stick Mode [Stick Mode]
GAVIN-8C Instruction Manual If the calibration is successful, it will prompt "Completed!", as shown in the following figure. If failed, it will prompt "Please Retry!". Completed! Stick Mode [Stick Mode] This function is used to change the stick mode to meet different operating habits. Values: MODE 1, MODE 2, MODE 3 and MODE 4. -
Page 57: Volume [Volume]
GAVIN-8C Instruction Manual If the throttle stick position to be changed when changing the stick mode, the throttle stick and elevator stick location requires changing. For details, please refer to Change the Location of Throttle Stick (Page 13). Be sure to calibrate both stick gimbals after changing the stick mode. For details, please refer to Calibration [Calibration] (Page 53). -
Page 58: Back-Light Time [Bright Off]
GAVIN-8C Instruction Manual Back-light Time [Bright Off] It is used to adjust the back-light appearance time. Values: NORM ON、10sec, 20sec, 30sec, 40sec, 50sec, and 60sec. When NORM ON is selected, the back-light will be always on. When 10sec, 20sec, 30sec, 40sec, 50sec, or 60sec is selected, if there is no operation, the back-light will be on for 10, 20, 30, 40, 50, or 60 seconds before automatically shutting off.
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