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RadioLink AT9 Instruction Manual

Summary of AT9

  • Page 1

    Radiolink at9 (dsss) instruction manual radiolink eletronic limited technical updates and additional programming examples available at: http://www. Radiolink.Com.Cn.

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    1 introduction thank you for purchasing radiolink 2.4 ghz 9ch remote control system -- at9 . This system is extremely versatile, it is the most complete remote control device as so far in our product series, it can operate helicopter, fixed-wing glider, aircraft all four models . Communication syste...

  • Page 3

    2 note:about flying while you are getting ready to fly,if you place your transmitter on the ground ,be sure that the wind won’t tip it over. If it is knocked over, the throttle stick may be accidentally moved, causing the engine to speed up. Also, damage to your transmitter may occur. Other than 2.4...

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    3 table of contents 1 part 1. Introduction of at9 system...............................................................................5 1.1.1 function of transmitter..........................................................................................................5 1.1.2 transmitter panel sh...

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    4 3.3.15 throttle-needle mixing (acro/ heli):........................................................... 48 4 part 4 glider model functions.................................................................................. 51 4.1 set basic menu of glid....................................................

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    5 part 1 introduction of at9 system note that in the text of this manual, begainning at this point, any time we are using a feature's specialized name or abbreviation as seen on the screen of the at9, that name, feature, or abbreviation will be exactly as seen on the radio’s screen, including capita...

  • Page 7

    6 switch assignment table • the factory default functions activated by the switches and knobs for a at9 transmitter are.

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    7 shown below. • most at9 functions may be reassigned to non-default positions quickly and easily. Always check that you have the desired switch assignment for each function during set up. Switch/knob a or h airplane ( acro) sailplane/glider ( glid) helicopter ( heli) aircraft switch a elevator dual...

  • Page 9

    8 than 50cm or high current draw servos are being used ,use heavy servo extensions. • receiver vibration and waterproofing: the receiver contains precision electronic part.Be sure to avoid vibration,shock,and temperature extremes.For protection, wrap the receiver in foam rubber or other vibration-ab...

  • Page 10

    9 1.2.2 recervier and servo connections （ 1）airplane servo connection receiver output and channel airplane 1 ailerons/aileron-1¹/combined flap-2&aileron-1¹ 2 elevator 3 throttle 4 rudder 5 spare/landing gear/aileron-2¹ ³/combined flap-1 and aileron-2² ³ 6 spare/flaps/combined flap-1 and aileron-2² 7...

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    10 （ 3）helicopter servo connection the above listed receiver and channels is referred to the channel 1~9 of the receiver r9d, connect the receiver with the related servo, you can control the servos by the correspondent switch. To be clear, the servo connected with the receiver channel 1 is controlle...

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    11 1.2.3 installment of antenna (1) installment of receiver antenna 1. The antenna must be kept as straight as possible. Otherwise it will reduce the effective range. 2. Large model aircraft may of some metal part interfering signal; in this case the antennas should be placed at both sides of the mo...

  • Page 13

    12 4. Adjusting display contrast: to adjust the display contrast, from the home menu press and hold the end button. Turn the dial while still holding the end button: clockwise to brighten and counterclockwise to darken the display. 5. User name setting: user name can be set by dial and push with let...

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    13 press and hold mode button for one second to open programming menus. Press mode button to switch between basic and advance. Press mode button to scroll between conditions in certain functions. End button: press end button to return to previous screen. Closes functions back to menus, closes menus ...

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    14 part 2. Basic function of airplane pls pay attention that the (basic)menu is suitable for all type models(airplane, helicopter, glider,aircraft). The motor cut will be introduced in glider (basic )menu,except idle down &throttle cut.Helicopter basic menu include some extra function (swashplate ti...

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    15 this guide is intended to help you acquainted with the radio, to give you some ideas and direction on how to do.We give you a big picture overview of what we accomplish; a ‘by name’ description of what we’re doing to help you with the radio; then a step-by-step instruction to leave out the myster...

  • Page 17

    16 activate,assign switch and adjust. Close the function to mix，press ， to inh to sw，press ， to swc to posi,press ， to down to rate ， press ， to down position， throttle stick down until the throttle barrel closed set up dual/triple rates and exponential (d/p,exp) (note that in the middle of the left...

  • Page 18

    17 model name. Accordingly, if you want to change the model type, the whole data need to reset, also for model name. The first thing to copy is to change the model type or delete the original name and rename a new model to avoid confusion. Model name this is used to set the present model name. Name ...

  • Page 19

    18 • functions specially for aero basic: • snap roll • elev-flap mix (twin elevator servos support) • oil power plane: idle down、throttle shut、throttle needle mix etc. • functions aero basic doesn’t have: 5 individual flight conditions (normal, start, speed, distance, landing) if the model type sele...

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    19 as shown below, home screen will display plane type and throttle pitch: illust: displays the illustration of helicopter in the home screen. (default) thr/pit: displays the current throttle and pitch position in the home screen. Step to change plane type image to thr/pit: under model type helicopt...

  • Page 21

    20 throttle delay. Goals steps inputs decrease the flap servo throw in the upward direction to 5% to allow trimming of level flight only and down travel to 85% to prevent binding. Open end point function for 1s.(if advance, again） to end point,push choose proper channel and move stick or knob in dir...

  • Page 22

    21 sub-trim: makes small changes or corrections to the neutral position of each servo. Range is -120 to +120, with 0 setting, the default, being no sub-trim. We recommend that you center the digital trims before making sub-trim changes, and that you try to keep all of the sub-trim values as small as...

  • Page 23

    22 goals steps inputs revers the direction of the elevator servo. Open reverse function for 1s .(if advance again) to reverse, push. Choose proper channel and set direction(ex:elev rev)] to elev， to rev，’are you sure? Displays for 1s。 close 2.3.7 dual/triple rates and exponential (d/r,exp) dual/trip...

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    23 • range: 0 - 140% (0 setting would deactivate the control completely.) initial value=100% • adjustable for each direction (acro/ glid) (ie. Up/down, left/right) (ex: most models fly upright without any elevator trim, but require some down elevator when inverted just to maintain level flight. By i...

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    24 optional:assign dual rates to have one for each condition. To sw,push. To cond. Repeat steps above to adjust for each condition. Goals steps inputs set up aileron triple rates on switch c with travel settings of 75%(normal) 25%(slow roll)and 140% (extreme aerobatics)and exponential setting of 0%,...

  • Page 26

    25 (with throttle stick at idle). The movement is largest at idle and disappears at high throttle to avoid accidental dead sticks. In heli, there is an additional setting. The switch's location and directio must be chosen. It defaults to null to avoid accidentally assigning it to a switch, which mig...

  • Page 27

    26 helicopter this function is used to stop engine after flight is finished. You can set engine powered on/ off, without shifting trim stick to power off and set again every time before flight. Throttle shut for helicopter includes thr on/ off (position above idle down). Before resetting throttle cu...

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    27 【 f/s】 1：aile nor ch1：aile nor f/s 2：elev nor 3：thro 15% 4：rudd nor 5：gear nor 6：flap nor 7：aux1 nor 8：aux2 nor adjustability: • each channel may be set independently. • the nor (normal) setting holds the servo in its last commanded position. • the f/s (failsafe) function moves each servo to a pr...

  • Page 29

    28 direction may be changed. • multiple channels may be assigned to the same switch, slider or knob; • channels set to "null" are only controlled by mixes. (ex: utilizing 2 channels for 2 rudder servos. See mixes, p. 68.) • if gyro sense, governor, and thr-needle functions are activated, aux-ch sett...

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    29 adjustability: • count down timer: starts from the chosen time, displays time remaining. If the time is exceeded, it continues to count below 0. • count up timer: starts at 0 and displays the elapsed time up to 99 minutes 59 seconds. • count down timer (stop type): starts from the chosen time, di...

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    30 • mix: when the trainer switch is on, the channel set to this mode can be controlled by both the student and the instructor, controlled according to any mixing set at the instructor's transmitter. And the student's mixing rate is adjustable. (default 30%) [note] however, it becomes invalid even i...

  • Page 32

    31 adjustability: • three logic switches can be used. (lsw1, lsw2, and lsw3 ) • sw(1): any swich a-h or thrstks, sw(2): any swich a-h • switch position (posi) • logic mode: and or or (mode) 2.3.15 servo display and cycle submenu: displays radio's output to channels 1-10. The servo submenu includes t...

  • Page 33

    32 find telemetry information: under basic menu, select receive, press push to enter, you can find the telemetry info, shown as below. Rx is receiver voltage, ext is external voltage. Also temperature and engine speed (ext, temperature, rpm, and gps all need telemetry sensor). Rssi is signal strengt...

  • Page 34

    33 part 3. Acro advance menu functions 3.1 airplane wing types (acro/glid): there are 3 basic wing types in aircraft models: • simple. Model uses one aileron servo (or multiple servos on a y-harness into a single receiver channel) and has a tail. This is the default setup and requires no specialized...

  • Page 35

    34 channel ch6&5 allow twin aileron servo operatin with a 5-channel receiver. Select aile-2 and change to ch6&5. To aile-2. To ch6&5 close there are 4 basic tail types in aircraft models: • simple. Model uses one elevator servo and one rudder servo (or multiple servos on a y-harness). This is the de...

  • Page 36

    35 • throttle delay mixing is a pre-programmed delay mix that slows down the response of the ch3 servo. Next, we'll get an in-depth look at some pre-programmed mixes (mixes whose channels are predefined for simplicity) we’ve not covered yet, and last, look at the fully-programmable mix types. 3.3.1 ...

  • Page 37

    36 master slave link trim switch position rate offset vr(d) thro off n/a any null 5% 0 •slave: the controlled channel. The channel is moved automatically in response to the movement of the master channel. The second channel is in a mix’s name (i.E. Aileron-to-rudder). •link: link this programmable m...

  • Page 38

    37 optional:set master as ofst or vr(a-e) to master，push， todesiredchoice set link and trim as needed. To link,push , to dwon assign switch and position. (ex:change from e to c，down) to sw，push, to swc to posi，push to down optional:set switch to stk-thr to activate mix with throttle stick. To sw ,pu...

  • Page 39

    38 • acro/glid defaults: the 4 programmable curves mixes default to the most frequent choices, but can be set to any channel. • prog.Mix5 rudder-to-aileron for roll coupling compensation (glid mixes default to aileron-to-elev.) • prog.Mix6 rudder-to-aileron for roll coupling compensation (glid mixes...

  • Page 40

    39 the flaperon mixing function uses one servo on each of the two ailerons, and uses them for both aileron and flap function. For flap effect, the ailerons raise/lower simultaneously. Of course, aileron function (moving in opposite directions) is also performed. Note: when changing the polarity of a...

  • Page 41

    40 acro glid flap-trim assigns the primary flaperon control [defaults to vr(a)] to allow trimming in flight of the flap action of flaperons. Note: even if flap-trim is made active with ail-diff, it will not have any effect. The only function that allows control of the ailerons as flaps in the ail-di...

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    41 activate twin aileron servosusing aile-diff. Note that the function defaults to no difference in down travel vs. Up travel. If you want differential travel, simply adjust each side. (ex:90%) open the flaperon. To basic menu, again to advance to aile-diff .Push. Activate the function. To mix，push....

  • Page 43

    42 ch1 and ch6. The flap choice has no effect on the flaperons. • if ail-diff is active, then ch1 and ch7 may be independently adjusted. • normally both ailerons are raised equally in airbrake, and the elevator motion is set to maintain trim when the ailerons rise. Different amounts may be set for e...

  • Page 44

    43 adjustability: • rate: -100% (full up flap) to +100% (full down flap), with a default of +50% (one-half of the flap range is achieved when the elevator stick is pulled to provide full up elevator.) • switch: fully assignable. Also logic sw (lsw1 to 3) may be assigned. If you set it to null, the m...

  • Page 45

    44 once ailevator is activated, unless you zero out the aileron figures (see below), any time you move your ailerons or any programming moves your ailerons (ie. Rudder-aileron mixing), the radio automatically commands both elevator servos to also operate as ailerons. To deactivate this action, simpl...

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    45 • on: the safety mechanism is activated when the landing gear switch is in the same position as at the time this feature is changed to on. Snap rolls will not be commanded even if the snap roll switch is turned on with the gear switch in this position. When the landing gear switch is moved to the...

  • Page 47

    46 large value of travel is specified, when the sticks are moved at the same time, the controls may bind or run out of travel. Decrease the travel until no binding occurs. Adjustability: • requires use of ch2 and ch4. • independently adjustable travels allow for differences in servo travels. • rudde...

  • Page 48

    47 adjustability: • plug the gyro's sensitivity adjustment to channel 5, 7, or 8 of the receiver. (selectable) • full switch assignable (switch a-h) • each rate setting may be set from 0 to nor100% or avc100% gain. Nor: gy mode gain. Avc: std mode gain • larger percentages indicate more gain, or gyr...

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    48 the thr-delay function is used to slow the response of the throttle servo to simulate the slow response of a turbine engine. A 40% delay setting corresponds to about a one-second delay, while a 100% delay takes about eight seconds to respond. This function may also be used to create a “slowed ser...

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    49 optional: delete the curve point.And return the curve point.(ex:point 3) to p3 (-stk-). For 1sec.To delete the curve point. To p3 (-stk-)， for 1sec.To return adjust the next point. Repeat as needed. Close 3.3.15 throttle-needle mixing (acro/ heli): acro heli throttle-needle is a pre-programmed mi...

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    50 adjust the travels as needed to match your engine by slowly moving the stick to each 5 points, then adjusting the percentage at that point until the engine is properly tuned. To piont. Throttle stick to p 1， to40%， throttle stick to p 2， to 45%， throttle stick to p 3， to 65%， throttle stick to p ...

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    51 part 4 glider model functions please note that nearly all of the basic menu functions are the same for airplane (acro setup), sailplane (glid 1a+1f/ 2a+1f/ 2a+2f setups), and helicopter (heli setups). The features that are identical refer back to the acro chapter. The glider basic menu includes m...

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    52 reverse servos as needed for proper control operation. In the basic menu, open reverse. To reverse. Choose desired servo and reverse its direction of travel. (ex:reverse rudder servo.) to 4.Rudd, rev is highlighted. For 1 sec. ‘are you sure?’displays. To confirm. To basic menu. Adjust travels as ...

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    53 before doing anything else to set up a glider or sailplane, first you must decide which model type best fits your aircraft. • glid(1a+1f): the glid (1a+1f) model type is intended for sailplanes with one or two aileron servos (or none), and a single flap servo (or two connected with a y-connector)...

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    54 4.3.1 aile diff (find in acro function menu 3.3.5) 4.3.2 flaperon (glid 1a+1f, find in acro function menu 3.3.3) 4.3.3 v-tail (find in acro function menu 3.3.10) 4.3.4 offset (glid 2a+2f): additional flight conditions are available specifically for sailplanes. These additional flight conditions c...

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    55 close 4.3.5 start delay (glid 1a+1f only): start delay automatically switch the offset trims (offset) from the start condition's trims to the normal condition’s trims after proceeding the delay time (max.10sec.) which is set by the -dly- item when activating the start condition. (it is convenient...

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    56 note: when changing the polarity of a rate, "change rate dir?" is displayed for a check. Please set up after pressing dial for 1 second and canceling an alarm display. Goals steps inputs ex: set the maximum travel of 35% of the total flap travel. Open the camber flap function. To basic . Again to...

  • Page 58

    57 set the reference point. To pre ， or vra to desired point for 1 sec. Close 4.3.8 butterfly (crow) mixing butterfly simultaneously moves the flaps, twin ailerons and elevator, and is usually used to make steep descents or to limit increases in airspeed in dives. Separate two butterfly settings are...

  • Page 59

    58 activate butterfly. Adjust the aileron and flap travel to 75% elevator setting are adjustable in the b.Fly-ele. Mix switch is selecable open the butterfly function to basic . Again to advance to butterfly, activate the function swa to up position to mix ， to off adjust the travels as needed. (ex:...

  • Page 60

    59 this pre-programmed mix is used to create full span aileron action on a glider with 4wing servos. This increases the roll rate and decreases induced drag. For normal flying, a value of about 50% is often used. For slope racing or f3b models in speed runs, you may wish to use a larger value approa...

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    60 adjust the spoiler servo position to 60% activate the function. To mix ， to on. Assign the spo2-ch.(ex: ch3) to –spo2- ch ， to ch3， adjust the spoiler servo position. (ex: spo1/spo2=+55% to +60%) to –spo1-posi to -50%, ， to 60%, to –spo2-posi to +50%, ， to 60%, optional: set the elevator rate.(ex...

  • Page 62

    61 part. 5 helicopter model functions please note that nearly all of the basic menu functions are the same for airplane (acro setup), sailplane (glid setups), and helicopter (heli) setups. The features that are identical refer back to the acro chapter. 5.1 basic setting with helicopter this guidelin...

  • Page 63

    62 input name. To change the first character. Close the submenu when done. When proper character is display. To next. Repeat. Goals steps inputs reverse servos as needed for proper control operation.Ex: left rudder stick results in leading edges of tail rotor blades moving left.Reverse to operate pr...

  • Page 64

    63 confirm gyro direction. With radio on, move helicopter’s tail to the right by hand. The gyro should give right rudder input (leading edge of the tail rotor blades move left). If the gyro gives the opposite input, reverse direction on the gyro unit itself. Goals steps inputs learn how to operate h...

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    64 5.2.1 swash plate types goals steps inputs change the model type and swashplate of model#3 from aircraft tp 120 degree ccpm with 2 servos working in unison for collective pitch and aileron (ex: heli hr3) confirm you are using the proper model memory(ex:3) on home screen,check model name and # on ...

  • Page 66

    65 swash plate function rate settings (swash afr) reduce/increase/reverse the rate (travel) of the aileron, elevator (except h-2) and collective pitch functions, adjusting or reversing the motion of all servos involved in that function, only when using that function. Since these types utilize multip...

  • Page 67

    66 • normal: collective pitch curve that results in points 1, 4 and 7 providing .4, +5, (+8 to +10)* degrees pitch. A throttle curve setting of 0, 25, 36, 50, 62.5, 75, 100%. • idle-ups 1 & 2: idle-ups 1 and 2 are typically the same except for the gyro settings, with one being heading-hold/avcs and ...

  • Page 68

    67 clockwise rotation: -20, -10, 0, +10, +20% from low throttle to high. Counterclockwise rotation: +20, +10, 0, -10, -20% from low throttle to high. Adjust to the actual values that work best for your model. Revo. Curves for idle-ups are often v-shaped to provide proper rudder input with negative p...

  • Page 69

    68 ho v e r . L a n d / s h u t e n g i n e of f . A d j u s t t hrottle curves and rudder trim. Repeat until model hovers smoothly at half throttle.Rapidly apply throttle from 1/4 to 1/2 stick. Adjust revo. Points 2 and 3 until the model does not rotate its nose up on throttle application. Adjust p...

  • Page 70

    69 5.3.4 throttle hold this function holds the engine in the idling position and disengages it from the throttle stick when switch at9 is moved. It is commonly used to practice auto-rotation. Prior to setting up thr-hold, hook up the throttle linkage so that the carburetor is opened fully at high th...

  • Page 71

    70 accommodated. • both adjustments may be inhibited if not desired. • both adjustments may also be set to null, temporarily turning off the knob but maintaining the last memorized setting. • adjustments may be memorized and then the knobs returned to center point to use that amount of adjustment, a...

  • Page 72

    71 select the idle-up 1 condition to cond ， to idl1 set the rate(ex:80%) to hi-pit ， to80% optional：change which knob adjusts high pitch curve. To vr ， to desired knob and direction. Close 5.3.7 offset optional separate trims in addition to those for the normal condition. This function is used to au...

  • Page 73

    72 adjust trim settings as needed. (ex:rudder to +8%.) to rudd ， to +8%， close menus and confirm slowed transitions. E (at9) from normalto idl2.Check the changes of rudder trim. 5.3.8 delay: the delay function provides a smooth transition between the trim positions whenever offset, revo, mixing, or ...

  • Page 74

    73 adjustability: • on/off may be separate from speed switching by plugging governor on/off into ch8 and changing cut-ch setting. • if using separate on/off, switch assignment is totally adjustable. Be careful not assign governor off to a condition switch if you want the governor to function in that...

  • Page 75

    74 governor settings automatically when changing conditions. Consider setting the battery fail safe settings and other helpful functions on the governor itself. Activate the function. To mix ， to act. Optional : change cut-of f channe lto channel 8 and assign switch and direction for on/off (channel...

  • Page 76

    75 • initial: 100% • adjusting range: 0-200% 5.3.12 throttle needle (see acro menu 3.3.15) 5.3.13 prog mix (see acro menu 3.3.1) 5.3.14 condition revo., curves for idle-ups are often v-shaped to provide proper rudder input with negative pitch and increased throttle during inverted flight. (rudder is...

  • Page 77

    76 • switch g (at9) or e (at9) is programmed for normal (norm), idle-up 1 (idle-up1), and idle-up 2 (idle-up2) curves, adjustable in condition select (idle-up1/2, idle-up3 items). (idle-up1/2 3-position type switch only, idl3 2-position type switch only) • activated with the throttle curve for that ...

  • Page 78

    77 part 6. Aircraft functions aircraft menu is the most differ between at9 and at10. The menu makes it easier to fly multi copters. The basic function menu is same like acro, glid and heli, please find the detail in the former chapters. Now let’s start the basic setting, take a quad copter for examp...

  • Page 79

    78 set the first (ex:low) rate throws and exponential. To d/r swa to down，repeat to set low rate. Optional: change dual rate switch assignment. To sw ， swg， swg to center position. Repeat steps above to set 3 rd rate. Adjust aux-ch and knob. On basic menu, then open aux-ch function. To aux-ch, choos...

  • Page 80

    79 6.1.2 aux channel setting aux channel for aircraft is channel 6 to 10, same like acro, glid and heli, to set auxiliary channel. Ch5 is special for attitude, enter ch5 and press push for attitude. Select 3-section and 2-section switch to get 6 different attitudes. By dial set 6 different rates acc...