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YS-S4 Multi-rotor Autopilot User Manual V1.4
THR is set to 50% (mid‐point)
Check with your Radio manual on how to set the Receiver failsafe.
Here you can choose any of the following F/S modes: Auto RTH and Land; Auto Land and Auto Hover. Now the
YS‐S4 autopilot will control the aircraft according the pre‐programmed F/S mode if the aircraft loses the TX signal.
(set this up on the PC software under "Fail Safe" options)
Please refer to this video for help setting up your TX:
http://www.tudou.com/programs/view/e1ai526Mbt4/
6.3 Parameter Setup
YS‐S4 Parameter setting can be achieved using a mobile phone or tablet (must be connected to WI‐FI) or by using
a PC to adjust the parameters.
6.3.1
PC Parameter Adjustment
Please download the special
configuration.
IMPORTANT
1)
"PC‐Parameter Setup Software" is also the firmware upgrade tool;
2)
S4 will choose different working modes if the sequence used in powering‐on is different:
If you power the S4 first and then connect the USB cable you will be in "Parameter Setup" Mode.
If you connect the USB cable first and then power on the S4 then you are in "Firmware Upgrade" Mode.
PLEASE NOTE THE FOLLOWING WHEN SETTING UP AND INSTALLING THE S4:
When the craft is on the ground, power the TX first and then power the S4. Please MAKE SURE propellers are
removed before connecting the battery to prevent injury from the motors starting unexpectedly.
a.
Power the YS‐S4 first and then 2 seconds later connect the YS‐S4 module to your PC via the USB
interface. MAKE SURE the THR stick is at the bottom. Connect the mini USB cable.
b.
Select and open software "S4‐GCS‐USB.exe", press "Open USB" and press the 'Read' button (If this
fails try several times) to download your YS‐S4 module current aircraft configuration.
c.
Press 'Save' button (If this fails try several times) to upload the newest parameters to the YS‐S4 if the
parameters have been changed.
d.
To restore the default parameters, push THR stick to bottom and press 'Default' button.
e.
The S4 V2 default parameters are shown below:
"PC‐Parameter Setup Software"
12
from the Zero website before parameter
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