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INERTIA 860 AVCS GYRO
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IN STOCK
Item Number: Inertia860
Manufacturer: INERTIA
Manufacturer Part No: Inertia860
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Operating voltage: 4-10 Volts, current < 60mA
Operating conditions:-10 to 45 deg C
Overall dimensions: 29.5mm x 28mm x12.7mm
Servo compatibility: 1520uSec and 760uSec digital servos at 333Hz and 250Hz.
Weight: 17.5 grams
Performance Specs:
- The Inertia 860 is a high performance 3D gyro for model
helicopters from 250 electric to 90 size nitro. Built to the highest
specs, the Inertia 860 provides excellent accurate response.
- With a premium quality sensor and a powerful
controller, Inertia 860 offers very consistent yaw rates avoiding
outside variables such as rotor head speed, rotor disc loading, flight
speed, wind, etc.
- Small size and very light weight allow you to mount the Inertia 860 almost anywhere on all size helicopters.
- Support for most servo types.
- Tweak and tune your Inertia 860 with the Inertia hand-held LCD Programmer (the LCD Programmers are purchased separate
Operating instructions
It is necessary for you to follow these following steps in specified order to successfully install your new Inertia 860.
- Connect Inertia 860 to the receiver. Do not connect the servo to the Inertia 860 at this time.
- Assign gyro gain to a 2 position switch to facilitate switching between Normal and ACVS.
- Ensure
that the transmitter trims and sub-trims are set to zero and that
collective pitch to tail pitch mixing is disabled. Power on the Inertia
860 and check that the LED responds when toggling the gain switch. When
the LED is on it is AVCS mode and off for Normal mode.
- Refer to the following LCD Setting Adaptor guide for detailed setting.
- Connect the servo to the Inertia 860.
- In Normal mode perform mechanical adjustment of the servo horn and control linkages to achieve approximately 8deg tail pitch.
- Adjust gyro gain for both Normal and AVCS modes via your transmitter.
- Perform
final checks. Confirm correct relationship of rudder stick and gyro
response to tail movement. Confirm that there is no mechanical binding.
Power On：
Once power on, LCD will display HELLO. After 5 seconds, configuration card will display gyro settings and is ready for use.
Default Setting：When HELLO is display, press +10 and -1 buttons simultaneously. Configuration will return to default value.
System Reset：Reset button is located at the bottom of LCD configuration card.
Button Description：
Total 7 function keys: FUNC+, FUNC-, +10, -10, +1, -1, Reset
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Description
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Function
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FUNC+, FUNC-
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Scroll up/down function menu
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+10, -10
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Increase (+) or decrease (-) value by 10 units each time.
Automatically change to 1 units if the maximum function value is less than 20.
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+1, -1
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Increase (+) or decrease (-) value by 1 unit each time.
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Reset
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System reset
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Detailed settings of Function Menu:
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1、SERVOTYP
servo type selection
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Menu Items
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Description
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152-33
（Default）
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Servo pulse width 1520us, working frequency 333Hz includes：
Futaba：S9253、S9254、S9650、S9257、S3153
JR： 8900G
、DS3405、DS3500
Hitec：HS-5084MG、HS-5925MG
Align：DS510、DS520、DS610、DS620
LogicTech： 3100G
Most digital servo without special marking should be in this category.
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76-33
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Servo pulse width 760us, working frequency 333Hz includes：
Futaba：S9251、S9256、BLS251
LogicTech： 6100G
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152-25
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Servo pulse width 1520us, working frequency 250Hz includes：
Futaba：S3154
JR： 8700G
、 2700G
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2、GYDIRECT
Gyro direction selection
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Direction of resulting yaw.
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Direction of resulting yaw
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Attention:
Check that the rudder direction matches the transmitter stick
direction. Otherwise, please reverse the rubber servo direction in
transmitter program.
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Menu items
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Description
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NORM
（Default）
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Rotate
the helicopter left (nose). Rudder servo should compensate to the right
automatically. Otherwise, change value to “REV”. As shown in the diagram
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REV
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Rotate
the helicopter left (nose). Rudder servo should compensate to the right
automatically. Otherwise, change value to “NORM”. As shown in the
diagram.
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3、MID-TRIM
Rudder Servo Neutral Adjustment
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Attention:
Rudder SUB TRIM value of Transmitter should be set to zero . Install
rudder servo horn to closest to 90 degree. Use MID-TRIM to fine tune
the neutral point of servo horn to achieve exact 90 degree. Check the
neutral position by switching the Inertia 860 to the NOR mode, or by
moving the rudder stick to the left and right at least three times at
high speed and immediately returning the stick to the neutral position.
This temporarily resets the rudder servo.
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Menu items
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Description
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-100 ~ 0 ~ +100
（Default 0）
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Fine tune rudder servo neutral point.
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4、L-LIMIT
Rudder Left Pitch Travel Limit
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Menu items
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Description
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0 ~ 240
(Default 160）
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Adjust rudder servo travel at end limit.
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Suggestion
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Suggested
setting between 160～230. If setting is higher than 230, please install
ball link to the outer hole of servo horn or use longer horns. If
setting is lower than 160, please install ball link to the inner hole
of servo horn or use shorter horns. It is recommended to keep
difference between L-LIMIT and R-LIMIT within ±20.
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5、R-LIMIT
Rudder Right Pitch Travel Limit
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Menu items
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Description
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0 ~ 240
(Default 160)
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Adjust rudder servo travel at end limit.
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Suggestion
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Suggested
setting between 160～230. If setting is higher than 230, please install
ball link to the outer hole of servo horn or use longer horns. If
setting is lower than 160, please install ball link to the inner hole
of servo horn or use shorter horns. It is recommended to keep
difference between R-LIMIT and L-LIMIT within ±20.
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6、RPIRGAIN
Right Piro Stop Gain
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Menu items
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Description
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50 ~ 200
(Default 100)
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The higher the setting, the harder the braking effect in piro stops.
The lower the setting, the softer the braking effect in piro stops.
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Suggestion
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If
tail bounce back occurs, please lower the setting . Excess hard braking
for piro stop will affect the service life of rudder servo!
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7、LPIRGAIN
Left Piro Stop Gain
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Menu items
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Description
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50 ~ 200
(Default 100)
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The higher the setting, the harder the braking effect in piro stop .
The lower the setting, the softer the braking effect in piro stop .
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Suggestion
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If
tail bounce back occurs, please lower the setting . Excess hard braking
for piro stop will affect the service life of rudder servo!
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8、RUD-GAIN
Rudder Stick Gain
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Menu items
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Description
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50 ~ 150
(Default 100)
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Fine tune the stick response to the actual piro rate. The higher the setting, the more sensitive the stick movement.
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9、ACC-EXP
Acceleration Curve
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Menu items
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Description
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0 ~ 15
(Default 0)
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The higher the value, the smoother and longer it takes to reach piro speed from static.
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10、DEC-EXP
Deceleration Curve
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Menu items
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Description
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0 ~ 15
(Default 0)
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The
higher the value, the longer it takes for the tail to slow down. Used
to smoothen the deceleration of piro when coming to a stop.
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11、DEADBAND
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Menu items
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Description
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5 ~ 100
(Default 5)
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Rudder has no response if stick movement in deadband zone.
Useful to prevent minor unintentional rudder stick commands.
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12、N-RUDEXP
Normal Rudder Curve
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Menu items
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Description
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-100 ~ +100
(Default 0)
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Normal Gyro expo curve to the stick movement in non-head lock mode
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13、A-RUDEXP
AVCS Rudder Curve
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Menu items
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Description
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-100 ~ +100
(Default 0)
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AVCS Gyro expo curve to the stick movement in head lock mode
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Gyro activation auto-check
When you power on the Inertia 860 it will immediately
perform automatic calibration of the rudder stick and gyro natural
points. During this time the helicopter must remain undisturbed and the
rudder stick must be left at the neutral point. The calibration lasts
approximately 3 seconds and upon completion the tail servo will move to
the middle. The calibration will not start if the Inertia 860
is not receiving a valid rudder signal from the receiver or if the
rudder stick is not centered. In both cases the LED will emit the Error
flashing sequence (see Status LED section later in this instruction).
Status LED
During normal operation the LED provides simple status information for users.
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On：
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AVCS mode. Stick at neutral.
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Short blink three times:
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AVCS mode. Rudder input detected.
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Off：
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Normal mode.
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repeating flash:
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Error. Gyro not receiving valid signal from the receiver or unable to calibrate because the rudder stick is not centered.
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We are here for you! If you need assistance, feel free to call us during normal business hours (Mon - Fri 9am - 5pm).
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Our new number is:
1-386-675-6950
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