Even a small micro model will benefit from some added programming features. Selecting the ENTER key once will take you to the main menu. Scrolling down to DUAL, EXPO (above left) will take you to that main screen (above center). Each
channel is selectable (above right) as well as selecting a designated switch (below left). The timer function (below center) is simple to set up on any designated switch or in this case the throttle (below right).
channel 2. The rudder is also reversed so change this now on channel 4. Mixing, Dual Rates and Expo: Out of the box you’ll find that the S.E.5a is set up with the rudder on the left stick as it should be, however many of us like to fly three- channel planes with the rudder on the right stick. One problem I have had with this however is once the channel is switched, I find myself ground looping sometimes when landing and wishing I had rudder control with my left stick for takeoff.
Fortunately the Tactic has us covered and to do so is easy. With the radio on, select ENTER and using the minus key, scroll down to Programmable Mixer and select ENTER. Scroll down to Mix 1 and select ENTER. In this screen you are able to mix two channels to work in conjunction with one another. We are going to want to mix aileron CH1 to rud- der CH4. Use the minus and plus keys to navigate here and enter to effect the change. Now we need to have a rate of throw. Scroll down to the RATE select ENTER to dark- en the small box and enter +100 for Left. Now select ENTER and scroll down and do the same for the right throw. We won’t worry about offset at this time.
Next the Tactic allows you to select a switch, scroll down to CTRL and select ENTER. The TTX650 will now ask you to select a Control Switch. In my case I selected D. With switch D off, the S.E.5a will only have rudder and control will be on the left stick. With switch D on, I now have complete de- flection with both the aileron and rudder stick. Select ESC twice to return to the main menu.
Small models such as the Flyzone series of
WWI scouts benefit greatly from both dual rates and expo. Dual rates gives you a low setting for indoor while wide open deflection may be desired when flying outside. Expo will soften the throws and also help get rid of the jerky flight pattern. From the main screen, select ENTER. scroll down to DUAL, EXPO and select ENTER. Our first control sur-
FLYING MODELS
face is the aileron. To make things simple, I elected to put all three rates on one switch, in this case, switch H.
Using the minus key, scroll down to DUAL
and select ENTER. For the S.E.5a low rate, I used the minus key to give me 60% throw. Now, select ENTER again, allowing you to move to the next setting, EXPO. Here, I set the expo to -10%. Like Futaba, expo is in negatives, not positive. Now as before, select ENTER and select the minus key to the CTRL field. This field will allow us to choose which switch to use in going from low rates to high and back again. By selecting the ENTER key, you will see a small window pop up asking you to choose the control switch. For the S.E.5a, I chose the large switch on the right top of the transmitter, switch H. Simply toggle the switch and another small window will appear. In my case a S for switch and H for the toggle I chose followed by a graphic showing the position of the switch. The 0 on the switch is the designated low rates while the 1 is the high rates. Set your switch to the low position and select ESC. Low rates for the ailerons are now locked in. Flip the H switch to the 1 position and you will see the rates change to 100% throw and 0 EXPO.
For high rates, I left the ailerons at 100% deflection and changed the EXPO to -15%. You can now see the changes in the stick provided by the small graph on the right side of the screen. Cycle up to CHAN, select ENTER and using the plus or minus key, se- lect the elevator. Low rates on the elevator are set at 75% throw with -10% EXPO, high rates are 100% throw and an EXPO of -20%. Again, switch H is set for the rate change on this channel as it was on the ailerons. Now cycle through and change the rudder as follows: Low rate throw of 90% with an EXPO of -15%, high rates at 100% throw and -25% EXPO. The rate switch is set to the H switch. With the rates done, select ESC twice and re- turn to the main menu. Already, we have tak- en a simple micro model and given it the ca-
pability to use the rudder with either the left or right stick and given the small model dual rates, making it a bit more manageable than the simple transmitter that came with it. Perhaps you would also like a timer and while you are at it, make that timer start when you advance the throttle. No problem! From the main screen, select ENTER once and using the minus key scroll down to TIMER. Select ENTER and you will be taken to the timer screen. Select ENTER and use the plus or minus keys to enter a time, in this case, 10 minutes. Now select ENTER and scroll to the third field, select ENTER. You will be prompted to select a control switch in this case, advance the throttle. Another small window will ap- pear with a START/STOP field and below it a THROTTLE field that should read +98. Now simply advance the throttle, in my case only to +92% and select ENTER. Now the menu START/STOP field should read +92, mean- ing that as soon as you advance the throttle to 92% full power, the timer will start, counting down from 10. Select ESC three times to be brought back to the start screen. The time will be displayed in the center of the right hand of the screen. Test it by ad- vancing the throttle and you should see the timer start to count down. This is a lot easier than remembering to select a switch to set your timer on your electric models. Once it gets down to ten seconds, the TTX650 sounds a warning beep for each second down to zero. After zero, the alarm will beep twice per second telling you, “Hey buddy, time to land!”
In the setting up of the S.E.5a I hope I have shown you a few things: setting up a small micro and the ease of programming within the TTX650. The next two aircraft are slightly different but, since you now have a sense of the flow of the Tactic’s pro- gramming, I have added the settings for each one in a separate box. That said, try each model out with those settings and feel free to experiment on your own.
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