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GREMSY H3 User Manual

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GREMSY H3 USER MANUAL
Ver 1.6

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Summary of Contents for GREMSY H3

  • Page 1 GREMSY H3 USER MANUAL Ver 1.6...
  • Page 2 INTRODUCTION The GREMSY H3, a 3-axis gimbal is the lightest and most powerful gimbal in its class for both handheld and aerial ap- plications. Thanks to ultra high resolution encoders with up to 0.005 degree resolution and advanced motor control in com-...

  • Page 3: Table Of Contents

    • Battery handling • Rotation limit • Using the built-in stand • IMU sensor • Mounting the camera 08. SPECIFICATIONS • Powering up the H3 04. REMOTE CONTROL • Status LED indicator • SBUS/PPM settings • Operation mode • JR/SPEKTRUM settings •...

  • Page 4: Getting Started

    GETTING STARTED GREMSY H3 COMPONENTS Top handle Quick release adapter Pan motor Pan axis adjustment Battery Side handles Built-in stand Tilt motor Top bar slider / hotshoe Camera tray / slider Tilt axis vertical adjustment Roll motor Roll axis extended adjustment...

  • Page 5: Charging The Battery

    GETTING STARTED CHARGING THE BATTERY Follow these steps: Connect the AC power cord to the charger. Connect the AC power cord to the wall socket. All LEDs will light for 1 second and the charge status LED will flash green, which indicates the charger is ready to charge.

  • Page 6: Installing The Battery

    ATTENTION BEFORE STARTING • Do not attemp to calibrate the accelerometer unless it is requested by a Gremsy technician. • Do not perform 360 degree rotations on TILT or ROLL axis otherwises cables will get twisted and broken.

  • Page 7: Battery Handling

    GETTING STARTED BATTERY HANDLING 01. WHEN USING THE BATTERY • When the battery is worn out, insulate the terminals with adhesive tape or similar materials before disposal. Misusing the battery may cause the battery to get hot, explode, or ignite and cause serious injury. Be sure to follow the rules listed below while charging the battery.

  • Page 8: Using The Built-In Stand

    Be careful when you pop-out the stand, the legs of the stand might hit your eyes. MOUNTING THE CAMERA Slide hotshoe on to the camera. Put the camera on to the camera tray. Follow intructions on the section “BALANCING THE H3” on page 13 for more detail.

  • Page 9: Powering Up The H3

    GETTING STARTED POWERING UP THE H3 NOTE: always start the gimbal with a balanced camera set up otherwise after ini- tialization the controller will return an error followed by a red color indicator. After connecting the battery and turning the power switch on, the gimbal will perform gyro calibration (if “Calib Gyros on Start up”...

  • Page 10: Status Led Indicator

    GETTING STARTED STATUS LED INDICATOR STATE LED STATUS DESCRIPTION Blink Solid System Error (Motor or IMU) Blink Solid System Boot System Ready Blink Lock Mode Blink Solid Follow Mode Remote with Lock Mode Blink Solid Remote with Follow Mode Blink Auto-tuning in process Blink Canlink with Lock Mode...

  • Page 11: Operation Mode

    GETTING STARTED OPERATION MODE The GREMSY H3 has 2 operation modes: The GREMSY H3 supports: LOCK MODE: is a stabilization mode where the camera maintains orientation SINGLE OPERATOR: using FOLLOW mode or Joystick to control the direc- independently of the rest of the gimbal and the orientation can be changed by tion of a camera.
  • Page 12 GETTING STARTED OPERATION MODE USING SOFTWARE Click on the Lock/Follow button at the top-right corner of the software Click on Motors ON/OFF to turn motors ON/OFF. window to toggle between modes. USING IPAD Click on the Lock/Follow icon to choose Lock Mode/Follow Mode. Click on the center circle icon to turn motors On/Off.

  • Page 13: Installing Software / App

    GETTING STARTED INSTALLING THE SOFTWARE / APP Download at: www.gremsy.com -> Support -> Software & Manuals.

  • Page 14: Using Usb/Wifi Connection

    To configure and monitor data of gStabi Software/Apps either USB/WI-FI connection is required. 01. USING USB: NOTE: make sure the Silab USB driver is already installed. Driver can be found Connect / Disconnect at: www.gremsy.com -> Support -> Software & Manuals. Button STEPS TO CONNECT: Serial Port List 1 - Power on the H3.
  • Page 15 GETTING STARTED USING USB/WI-FI CONNECTION 02. USING WI-FI CONNECTION: DEFAULT WI-FI PASSWORD: gremsygstabi ON MAC/PC ON iOS/ANDROID DEVICES STEPS TO CONNECT: STEPS TO CONNECT: 1 - Select the wifi network named gStabi_xxxx 1 - Select the wifi network named with gStabi_xxxx 2 - Enter the default wifi password: gremsygstabi 2 - Enter the default wifi password:...

  • Page 16: Tilt Axis Front-Back Balance

    BALANCING THE H3 To achieve the best performace from the gStabi, proper balancing is necessary. Accurate balance is critical in shots where the gimbal will be subjected to ex- treme movements or accelerations (running, horseback riding, biking, car mounts, helicopters…). Proper balance will result in longer battery runtime.

  • Page 17: Tilt Axis Vertical Balance

    BALANCING THE H3 STEP 2: TILT VERTICAL BALANCE When the proper vertical balance is achieved, you can rotate the camera in any angle and it will stay at that position. Rotate the tilt axis so that the lens is Gently slide the camera tray and the top...

  • Page 18: Roll Axis Balance

    BALANCING THE H3 STEP 3: ROLL BALANCE When the proper left-right roll balance is achieved, the camera will stay level when you remove your hand. Loosen the adjustment knob of the roll Slide the camera left or right until roll...

  • Page 19: Pan Axis Balance

    BALANCING THE H3 STEP 4: PAN BALANCE NOTE: Make sure the battery is installed before doing Pan Balance. Tilt the handle about 20 degrees and identify if the gimbal is front heavy or back heavy. Slide the pan axis slider until the camera does not swing.

  • Page 20: Software-Tuning

    SOFTWARE-TUNING After the camera is balanced on the gStabi, it’s time to fine tune some parameters for best performance. STIFFNESS TUNING Stiffness settings have a significant impact on the performance of the gStabi System. The “Stiffness” settings adjust the degrees to which the gimbal tries to correct for unwanted camera movement and hold the camera stable.

  • Page 21: Auto Tuning

    SOFTWARE-TUNING AUTO TUNING The Auto-Tuning function provides automatic adjustment of each motor’s stiffness value to find a good setting, the process will take around 1-2 minutes. Please turn motor on prior to starting Auto-Tuning. NOTE: The settings found by Auto-Tuning are usually good to start with, however it’s recommended to manually reduce stiffness if there is oscillation in a specific axis or increase stiffness in case if it is too low.

  • Page 22: Expert/Advanced Settings

    SOFTWARE-TUNING EXPERT / ADVANCED SETTINGS ADVANCED SETTINGS There are some advanced parameters that normally do not need to be adjusted. Leave these parameters at default settings unless they are required for troubleshooting. GYRO TRUST: GYRO FILTER: If this value is high, attitude estimation will trust the gyro more and the acceler- Defines the strength of the filter applied to to Gyro sensor output.
  • Page 23 SOFTWARE-TUNING EXPERT / ADVANCED SETTINGS EXPERT SETTINGS There are some expert parameters that normally do not need to be adjusted. Leave these parameters at default settings unless they are required for troubleshooting. “Auto power adjustment“ is selected, “Hold strength” will be the minimum power level required for corresponding axis. The controller will automatically adjust pow- er level from minimum to maximum level depending on displacement between current angle and commanded angle.

  • Page 24: Follow Mode Settings

    “Tilt lock” selected to reduce walking motion in the footage. When riding a horse or running, it’s recommended to set the pan window to around 20-30 degrees because you can’t hold the gimbal still. AIRBORNE: This feature is not available on the H3.

  • Page 25: Rotation Limit

    SOFTWARE-TUNING ROTATION LIMIT Travel of each axis can be limited using UP LIMIT and DOWN LIMIT. UP LIMIT: Set the up limit for tilt or roll axis (in 1 degree unit). DOWN LIMIT: Set the down limit for tilt or roll axis (in 1 degree unit). TILT OFFSET: Set the tilt offset (in 0.1 degree unit) and is only applicable when there is no remote control signal since remote control will override the tilt angle.

  • Page 26: Imu Sensor

    IMU SENSOR The IMU sensor used in the H3 is a combination of a high precision 3 axis gyroscope sensor and a 3 axis accelerometer sensor. The H3 controller has a special algo- rithm to provide attitude estimation based on input data from the IMU sensor. This attitude estimation helps the controller to command motor output to compensate for camera movement.

  • Page 27: Remote Control

    REMOTE CONTROL gStabi supports SBUS, SPEKTRUM and PPM receivers. There are some parameters to be aware of before assigning channels to the receiver. SMOOTH: increasing this number will smooth out the movement of the corresponding axis but will also cause a delay. SPEED: increasing this number will increase the speed of movement in the correspond- ing axis.
  • Page 28 REMOTE CONTROL SBUS/PPM SETTINGS CHANNEL SETTINGS There are 6 channels to assign : MODE, TILT, ROLL, PAN, TILT SPEED, PAN SPEED. Pos 01 Pos 02 Assign MODE channel first then follow the order above because MODE Pos 03 channel is used to change operating modes of the gimbal and should be assigned with a 3 position switch as follows: Switch at position 1: FOLLOW MODE , MOTORS ON MODE channel...

  • Page 29: Jr/Spektrum Settings

    JR / SPEKTRUM SETTINGS JR / SPEKTRUM SATELLITE RECEIVER CONNECTION Open the plastic cover and connect satellite receiver to the correct connector as shown in the picture. Make sure satellite receiver is already bound to the transmitter (RED led is solid). SATELLITE RECEIVER CHANNEL SETTINGS...

  • Page 30: Joystick Settings

    REMOTE CONTROL JOYSTICK SETTINGS JOYSTICK CONNECTION Install joystick bracket using 2xM3 to hold the Connect joystick cable on the joystick connec- joystick in place. tor and on the pan bracket. JOYSTICK SETTINGS To enable Joystick operation user should select “JOYSTICK” in CONTROL menu and switch to Lock mode.

  • Page 31: Working Operation

    WORKING OPERATION NORMAL INVERTED SUITCASE OPERATION OPERATION OPERATION When the gimbal is in follow mode and normal era is underslung. along a narrow space. Moreover you can set the gimbal into Inverted you to shoot higher and/or at eye level. gimbal into lock mode then move the handle to...
  • Page 32 Refer to Section “01. GETTING STARTED” for USB connection. NOTE: • Make sure Silab USB driver is already installed. Driver can be found at: www.gremsy.com -> Support -> Software & Manuals. • Download the lastest firmware at: www.gremsy.com -> Support -> Software & Manuals.
  • Page 33 TROUBLESHOOTING PROBLEM POSSIBLE CAUSES SOLUTION Status LED is blinking red Low Battery Recharge battery Camera is not balanced well or not installed Check camera balancing IMU cable is loose Check in software for IMU sensor error, re-seat IMU sensor connector Check in software for Tilt error, re-seat tilt motor connector and encoder Tilt motor cable or encoder cable is loose Status LED is solid red during startup...
  • Page 34 SPECIFICATIONS Product Name GREMSY H3 System Type 3-Axis Digital Gyro-Stabilized Weight (without battery) 1.37 kgs / 3.0 lbs Weight Ecofly (without battery) 0.96 kgs / 2.1 lbs Camera Cage (Standard) (L X W X H) 90mm x 162mm x 150mm...
  • Page 35 gremsy.com...

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