Hobbywing pentium 30a esc manual Hamilton

hobbywing pentium 30a esc manual

Hobbywing FlyFun 30A Brushless ESC Value Hobby Compared with Pentium- 30A, this combo uses a switch mode UBEC to replace the built-in linear mode BEC in Pentium-30A, so the combo has a more powerful BEC output capability than the Pentium-25A. The combo is very suitable for 400 and 450 class helicopter.

Hobbywing 30A ESC speed controller

Hobbywing 40A Brushless ESC Arduiner. Alibaba.com offers 131 hobbywing esc 30a products. About 13% of these are radio control toys, 13% are toy parts. A wide variety of hobbywing esc 30a options are available to you, such as vehicles & remote control toys, electrical toys., Jan 10, 2015 · might have been preferable, but Omni Group's revamping of the Hobbywing Pentium 30a Esc Manual interface is good. Free syncing with Hobbywing Pentium 30a Esc Manual: Your projects can be quickly shared with your other Mac or iOS devices through a background synchronization process..

such ESCs, please read the user manual of program card for reference. 【Wiring Diagram】 There is a thin black wire attached with the negative input wire (black color, thick) of the ESC of Platinum-150A-OPTO, Platinum-70A-HV, Platinum-120A-HV, it is used to eliminate the spark when the battery pack is connecting with the ESC. Manual of Sensorless Brushless Motor Speed Controller Ver HW-01-081027.1 - 3 - If a special tone “ ” is emitted after 2 beep tones (“beep-beep-”), means the ESC has entered the program mode, it is

Dec 29, 2013 · Your Leaders Hobby 'EZ ESC 30A' appears to be clone of the Hobbywing Pentium 30A, or at least the manual (which I found on ebay.de) has been ripped off a Hobbywing manual. If these programming instructions work then you should change the cutoff threshold to 'high', start mode to 'soft', and timing to 'high'. Hobbywing Flyfun Esc 60a Manual Comes with English User Manual HobbyWing 30A for 8.75 USD Link I like how a photo of the current including hobbywing pentium reviews, hobbywing esc manual reviews and more. HOBBYWING FlyFun 60a 2S-6S ESC HOBBY WING High Performance.

Product successfully added to your shopping cart. There are 0 items in your cart. There are 0 items in your cart.. Total products (tax excl.) Compared with Pentium- 30A, this combo uses a switch mode UBEC to replace the built-in linear mode BEC in Pentium-30A, so the combo has a more powerful BEC output capability than the Pentium-25A. The combo is very suitable for 400 and 450 class helicopter.

Hobbywing Platinum-30A-Pro 2-6S ESC OPTO For Quadcopter more details at www.banggood.com toys and hobbies. Hobbywing Pentium 30a Esc Manual 35.00EUR Hobbywing 80A AIR Speed Control Hobbywing Pentium 80A for Brushless motors Planes and helicopters ESC. 12.00EUR Mystery 30A. I bought 4 Hobbypower 30A ESC and I also have a book called "build your own Hobbywing Pentium Series Brushless Speed Controller ESC Program Card.

Manual of Sensorless Brushless Speed Controller HW-SM002DUL-20130610 page 1 Thanks for purchasing our Electronic Speed Controller (ESC). High power system for RC model can be very dangerous, so we strongly suggest you read this manual carefully. Nov 13, 2012 · Original tp_nfet.hex modified from 16Mhz to 8Mhz

Jan 10, 2015 · might have been preferable, but Omni Group's revamping of the Hobbywing Pentium 30a Esc Manual interface is good. Free syncing with Hobbywing Pentium 30a Esc Manual: Your projects can be quickly shared with your other Mac or iOS devices through a background synchronization process. Nov 10, 2010 · Programming Hobbywing HV Pentium 100A ESC. Hi, I just purchased a Hobbywing HV Pentium 100A ESC and tried to program it using Turnigy card (thought it would work with Hobbywing escs) but it did not work (card did not light up). I then tried to program it manually using the transmitter. However, when I connect the battery to the ESC, there was

Hobbywing Pentium 30a Esc Manual 35.00EUR Hobbywing 80A AIR Speed Control Hobbywing Pentium 80A for Brushless motors Planes and helicopters ESC. 12.00EUR Mystery 30A. I bought 4 Hobbypower 30A ESC and I also have a book called "build your own Hobbywing Pentium Series Brushless Speed Controller ESC Program Card. HobbyWing FunFly/Pentium-30A Programmable Brushless ESC + connectors

Every time you complete a horizontal row of blocks, that row hobbywing pentium 30a esc manual and lowers the entire stack, giving you more room to maneuver the infinite supply of incoming, ever-faster-moving pieces. Quinn does the basics well--the game runs smoothly, and you can customize the appearance of the shapes and the game board with tons of user-created designs on the Quinn site--but Buy HobbyWing Pentium 40A ESC: Audio Cables - Amazon.com FREE DELIVERY possible on eligible purchases

Hobbywing Pentium-80A ESC geekbuying.com

hobbywing pentium 30a esc manual

Hobbywing Pentium 30a Manual WordPress.com. Every time you complete a horizontal row of blocks, that row hobbywing pentium 30a esc manual and lowers the entire stack, giving you more room to maneuver the infinite supply of incoming, ever-faster-moving pieces. Quinn does the basics well--the game runs smoothly, and you can customize the appearance of the shapes and the game board with tons of user-created designs on the Quinn site--but, HobbyWing FunFly/Pentium-30A Programmable Brushless ESC + connectors.

Freewing 30A ESC with XT60 Connector – Motion RC. HobbyWing Pentium ESC. Combo Special! Pentium-30A Brushless ESC + 2A UBEC $ 19.70. Out of stock: HobbyWing Pentium-80A Brushless ESC Electronic Speed Controller 8/16/2011 New HobbyWing Flyfun ESC 30A for Airplane & Helicopter 12/7/2011 $ 13.99. Out of stock: New HobbyWing Flyfun ESC 40A OPTO for Airplane & Helicopter 12/7/2011 $ 26.99., I used to order Turnigy Plush 30A from HK. I had one of the turnigy's die one me. So I bought this as replacement since I live in the USA. Shipping was fast. This is the same ESC, I was able to use a Turnigy programming card, but I purchased the Hobbywing programming card just in case. This ESC is rock solid and fast on my tricopter..

Hobbywing Platinum Pro 60A V4 60 Amp ESC [HWA30215100

hobbywing pentium 30a esc manual

Hobbywing FlyFun 30A Brushless ESC Value Hobby. UserManualofBrushlessSpeedController HW-SM003DUL-20150512 Page2 ThanksforpurchasingourElectronicSpeedController(ESC).HighpowersystemforRCmodelisverydangerous,pleaseread Austars-Model.com Hobbywing Flyfun(Pentium) 30A Brusless ESC [ESC+HW+Pentium30A] - Product Description Pentium-30A is ESC product in PENTIUM series. PENTIUM series has the full range of ESCs from 6A to 100A. 1 Specification 1.1 Output: Continues 30A, Burst 40A up to 10 Secs. 1.2 Input Voltage: 5.6V --- 16.8V ( Lithium : 2 – 4s or NiMH/NiCd 5 -12 Cells) 1.3 BEC (Battery Elimination Circuit).

hobbywing pentium 30a esc manual


30A ESC,Hobbywing,BEC,Aircraft & Helicopter,Throttle Calibration UserManualofBrushlessSpeedController HW-SM003DUL-20150512 Page2 ThanksforpurchasingourElectronicSpeedController(ESC).HighpowersystemforRCmodelisverydangerous,pleaseread

such ESCs, please read the user manual of program card for reference. 【Wiring Diagram】 There is a thin black wire attached with the negative input wire (black color, thick) of the ESC of Platinum-150A-OPTO, Platinum-70A-HV, Platinum-120A-HV, it is used to eliminate the spark when the battery pack is connecting with the ESC. Austars-Model.com Hobbywing Flyfun(Pentium) 30A Brusless ESC [ESC+HW+Pentium30A] - Product Description Pentium-30A is ESC product in PENTIUM series. PENTIUM series has the full range of ESCs from 6A to 100A. 1 Specification 1.1 Output: Continues 30A, Burst 40A up to 10 Secs. 1.2 Input Voltage: 5.6V --- 16.8V ( Lithium : 2 – 4s or NiMH/NiCd 5 -12 Cells) 1.3 BEC (Battery Elimination Circuit)

Nov 13, 2012 · Original tp_nfet.hex modified from 16Mhz to 8Mhz Alibaba.com offers 131 hobbywing esc 30a products. About 13% of these are radio control toys, 13% are toy parts. A wide variety of hobbywing esc 30a options are available to you, such as vehicles & remote control toys, electrical toys.

Jul 25, 2018 · The speed controller is a Hobbywing Pentium-30A. Here is a link on amazon. I didn't get them form there but ou can see what they look like Click here. I have the correct voltages using a 16.8v Power supply. I'm also using a arduino uno for test. And a hoverboard wheel. BLHeli ESC Hobbywing Firmware SimonK Firmware X-Drone ESC RCTimer ESC Program Card High Voltage ESC U-BEC. Propeller. Bullnose Propeller BeeRotor Prop Carbon Reinforce CW CCW Sport Prop Propeller Adapter ABS CW CCW Carbon Fiber CW CCW Folding Prop Slowflyer SF-Prop. Package: 1* 30A ESC 1* Manual.

Hobbywing Pentium-60a Manual Reely truggy + ezrun 8.5T 60A. by Neernitt 30A DC Motor Remote Controller with Manual. Hobbywing Pentium 60A BL Motor Speed Controller ESC W/ 3A Switch 4 PCS Hobbywing 30A ESC Speed Controller for Rc Heli planes Quadcopter 2A BEC. 49.00EUR Hobbywing 60A AIR Speed Control Hobbywing Dec 29, 2013 · Your Leaders Hobby 'EZ ESC 30A' appears to be clone of the Hobbywing Pentium 30A, or at least the manual (which I found on ebay.de) has been ripped off a Hobbywing manual. If these programming instructions work then you should change the cutoff threshold to 'high', start mode to 'soft', and timing to 'high'.

Manual of Sensorless Brushless Speed Controller HW-SM001DUL-20130610 page 2 Normal startup procedure and then switch Throttle range setting (Throttle range should be reset whenever a new transmitter is being used) Program the ESC with your transmitter (4 Steps) 1. Enter program mode 2. Select programmable item 3. Manual of Sensorless Brushless Speed Controller HW-SM001DUL-20130610 page 2 Normal startup procedure and then switch Throttle range setting (Throttle range should be reset whenever a new transmitter is being used) Program the ESC with your transmitter (4 Steps) 1. Enter program mode 2. Select programmable item 3.

User Manual of PLATINUM PRO Series Brushless Speed Controller HW-SM004DUL-20130502 Pentium-80A-HV and Pentium-100A-HV ESC use the new anti-spark structure. There are a pair of bullet connectors and a thin red wire attached with the positive input wire (red color, thick) of the ESC. 30A Platinum-30A-OPTO 30A 40A None None Yes 2-6 5-18 Read online or download PDF • Page 2 / 2 • Hobbywing Platinum-30A-OPTO-PRO User Manual • Hobbywing Accessories for air Directory. Brands. Hobbywing manuals. Accessories for air. Platinum-30A-OPTO-PRO. Manual Hobbywing Platinum-30A-OPTO-PRO User Manual ´ is emitted after 2 Beep tones (³Beep-Beep-´), means the ESC has entered the

hobbywing pentium 30a esc manual

30A ESC,Hobbywing,BEC,Aircraft & Helicopter,Throttle Calibration Hobbywing Pentium-60a Manual Reely truggy + ezrun 8.5T 60A. by Neernitt 30A DC Motor Remote Controller with Manual. Hobbywing Pentium 60A BL Motor Speed Controller ESC W/ 3A Switch 4 PCS Hobbywing 30A ESC Speed Controller for Rc Heli planes Quadcopter 2A BEC. 49.00EUR Hobbywing 60A AIR Speed Control Hobbywing

Hobbywing 40A Brushless ESC Arduiner

hobbywing pentium 30a esc manual

Manual of Sensorless Brushless Motor Speed Controller Ver. Please make sure the information above is filled in correctly so we can offer you an accurate discount. Our wholesale department will get back to you within 24 hours. Please fill in the blank and submit it if you found this product sold elsewhere for a lower price. We will work with suppliers to, Home > RC UAV & Drones > ESC > Hobbywing > HobbyWing Pentium-80A Brushless ESC Electronic Speed Controller. HobbyWing Pentium-80A Brushless ESC Electronic Speed Controller. Item Code: 07E-BrushlessESC-HobbyWing-80A. Rating: $69.95. Out of stock. PRODUCT DESCRIPTION. CUSTOMER REVIEWS. Model: Pentium-80A, Pentium-80A-OPTO : Manual: User Manual.

Hobbywing 100a Esc Manual Foto Hobby and Hobbies

HobbyWing FlyFun/Pentium-30A Programmable Brushless ESC. Jan 10, 2015 · might have been preferable, but Omni Group's revamping of the Hobbywing Pentium 30a Esc Manual interface is good. Free syncing with Hobbywing Pentium 30a Esc Manual: Your projects can be quickly shared with your other Mac or iOS devices through a background synchronization process., Get the best deal for Hobbywing Hobby RC Speed Controllers from the largest online selection at eBay.com. Browse our daily deals for even more savings! Free delivery and free returns on eBay Plus items! 1x Hobbywing Quicrun 16BL30 30A ESC. 1x Hobbywing Quicrun 2435 Brushless Motor. RC500 Helicopter Airplane HOBBYWING Pentium 60A ESC.

Home > RC UAV & Drones > ESC > Hobbywing > HobbyWing Pentium-80A Brushless ESC Electronic Speed Controller. HobbyWing Pentium-80A Brushless ESC Electronic Speed Controller. Item Code: 07E-BrushlessESC-HobbyWing-80A. Rating: $69.95. Out of stock. PRODUCT DESCRIPTION. CUSTOMER REVIEWS. Model: Pentium-80A, Pentium-80A-OPTO : Manual: User Manual HobbyWing Platinum/Pentium ESC. HobbyWing Aircraft System Platinum Series 30A OPTO Pro ESC for multi-rotor aircraft 07E-107-PLATINUM-Pro-30A-OPTO. $15.99. Out of Stock! HobyWing Platinum 30A OPTO-COB the best choice for multi-rotor aircraft 07E-108-PLATINUM-Pro-30A-OPTO-COB. $26.99.

This is the Hobbywing Platinum Pro V4 60A ESC, for use with 450-480 sized Helicopters. One of a Kind Design The elegant case is made from aluminum alloy material. Each cooling slot and its fin were carefully designed and arranged, and the case has gone through oxidation, coloring and edge-highlighting. Innovative Heat Dissipation Structure Buy HobbyWing Pentium 40A ESC: Audio Cables - Amazon.com FREE DELIVERY possible on eligible purchases

Hobbywing Pentium 30a Esc Manual 35.00EUR Hobbywing 80A AIR Speed Control Hobbywing Pentium 80A for Brushless motors Planes and helicopters ESC. 12.00EUR Mystery 30A. I bought 4 Hobbypower 30A ESC and I also have a book called "build your own Hobbywing Pentium Series Brushless Speed Controller ESC Program Card. Mar 17, 2019 · Hobbywing Pentium 30a Esc Manual. Jp Hobby Windragon Wifi 100a Esc 2 6s Ubec 5a Turbines Rc. Discussion Hobbywing Skywalker 40a Ubec Esc Rc Groups. Esc Hobbywing Platinum Pro V4 25a Lv. Original Hobbywing Platinum 100a V3 Brushless Esc Untuk Multicopter.

Get the best deal for Hobbywing Hobby RC Speed Controllers from the largest online selection at eBay.com. Browse our daily deals for even more savings! Free delivery and free returns on eBay Plus items! 1x Hobbywing Quicrun 16BL30 30A ESC. 1x Hobbywing Quicrun 2435 Brushless Motor. RC500 Helicopter Airplane HOBBYWING Pentium 60A ESC HobbyWing Pentium 60A Programmable Brushless ESC + T connectors for Aircraft and Helicopter UBEC -3A/5V VER3.1, DC 5.6V-26V 60A, Maximum 80A! Include FREE Female and Male T connectors + Rubber Tubes! (You may also need the Gold Plated Spring Connector to connect the brushless motor) Pentium-40A is the product in the

Hobbywing Pentium-60a Manual Reely truggy + ezrun 8.5T 60A. by Neernitt 30A DC Motor Remote Controller with Manual. Hobbywing Pentium 60A BL Motor Speed Controller ESC W/ 3A Switch 4 PCS Hobbywing 30A ESC Speed Controller for Rc Heli planes Quadcopter 2A BEC. 49.00EUR Hobbywing 60A AIR Speed Control Hobbywing Get the best deal for Hobbywing Hobby RC Speed Controllers from the largest online selection at eBay.com. Browse our daily deals for even more savings! Free delivery and free returns on eBay Plus items! 1x Hobbywing Quicrun 16BL30 30A ESC. 1x Hobbywing Quicrun 2435 Brushless Motor. RC500 Helicopter Airplane HOBBYWING Pentium 60A ESC

Every time you complete a horizontal row of blocks, that row hobbywing pentium 30a esc manual and lowers the entire stack, giving you more room to maneuver the infinite supply of incoming, ever-faster-moving pieces. Quinn does the basics well--the game runs smoothly, and you can customize the appearance of the shapes and the game board with tons of user-created designs on the Quinn site--but Home > RC UAV & Drones > ESC > Hobbywing > HobbyWing Pentium-80A Brushless ESC Electronic Speed Controller. HobbyWing Pentium-80A Brushless ESC Electronic Speed Controller. Item Code: 07E-BrushlessESC-HobbyWing-80A. Rating: $69.95. Out of stock. PRODUCT DESCRIPTION. CUSTOMER REVIEWS. Model: Pentium-80A, Pentium-80A-OPTO : Manual: User Manual

Nov 13, 2012 · Original tp_nfet.hex modified from 16Mhz to 8Mhz Austars-Model.com Hobbywing Flyfun(Pentium) 30A Brusless ESC [ESC+HW+Pentium30A] - Product Description Pentium-30A is ESC product in PENTIUM series. PENTIUM series has the full range of ESCs from 6A to 100A. 1 Specification 1.1 Output: Continues 30A, Burst 40A up to 10 Secs. 1.2 Input Voltage: 5.6V --- 16.8V ( Lithium : 2 – 4s or NiMH/NiCd 5 -12 Cells) 1.3 BEC (Battery Elimination Circuit)

Hobbywing 40A Brushless ESC Arduiner

hobbywing pentium 30a esc manual

Hobbywing Platinum Pro 60A V4 60 Amp ESC [HWA30215100. HobbyWing Pentium 60A Programmable Brushless ESC + T connectors for Aircraft and Helicopter UBEC -3A/5V VER3.1, DC 5.6V-26V 60A, Maximum 80A! Include FREE Female and Male T connectors + Rubber Tubes! (You may also need the Gold Plated Spring Connector to connect the brushless motor) Pentium-40A is the product in the, BLHeli ESC Hobbywing Firmware SimonK Firmware X-Drone ESC RCTimer ESC Program Card High Voltage ESC U-BEC. Propeller. Bullnose Propeller BeeRotor Prop Carbon Reinforce CW CCW Sport Prop Propeller Adapter ABS CW CCW Carbon Fiber CW CCW Folding Prop Slowflyer SF-Prop. Package: 1* 30A ESC 1* Manual..

HOBBYWING PENTIUM 30A ESC MANUAL Blogger

hobbywing pentium 30a esc manual

Freewing 30A ESC with XT60 Connector – Motion RC. Austars-Model.com Hobbywing Flyfun(Pentium) 30A Brusless ESC [ESC+HW+Pentium30A] - Product Description Pentium-30A is ESC product in PENTIUM series. PENTIUM series has the full range of ESCs from 6A to 100A. 1 Specification 1.1 Output: Continues 30A, Burst 40A up to 10 Secs. 1.2 Input Voltage: 5.6V --- 16.8V ( Lithium : 2 – 4s or NiMH/NiCd 5 -12 Cells) 1.3 BEC (Battery Elimination Circuit) Product successfully added to your shopping cart. There are 0 items in your cart. There are 0 items in your cart.. Total products (tax excl.).

hobbywing pentium 30a esc manual


UserManualofBrushlessSpeedController HW-SM003DUL-20150512 Page2 ThanksforpurchasingourElectronicSpeedController(ESC).HighpowersystemforRCmodelisverydangerous,pleaseread Please make sure the information above is filled in correctly so we can offer you an accurate discount. Our wholesale department will get back to you within 24 hours. Please fill in the blank and submit it if you found this product sold elsewhere for a lower price. We will work with suppliers to

30A ESC,Hobbywing,BEC,Aircraft & Helicopter,Throttle Calibration Every time you complete a horizontal row of blocks, that row hobbywing pentium 30a esc manual and lowers the entire stack, giving you more room to maneuver the infinite supply of incoming, ever-faster-moving pieces. Quinn does the basics well--the game runs smoothly, and you can customize the appearance of the shapes and the game board with tons of user-created designs on the Quinn site--but

Hobbywing Pentium 30a Esc Manual 35.00EUR Hobbywing 80A AIR Speed Control Hobbywing Pentium 80A for Brushless motors Planes and helicopters ESC. 12.00EUR Mystery 30A. I bought 4 Hobbypower 30A ESC and I also have a book called "build your own Hobbywing Pentium Series Brushless Speed Controller ESC Program Card. Austars-Model.com Hobbywing Pentium(FlyFun) 40A Brussless ESC [ESC+HW+PENTIUM40A] - Product Description Specification 1.1 Output:Continuous 40A, Burst 60A up to 10 Secs. 1.2Input Voltage: Pentium-40A:2-6 cells lithium battery or 5-18 cells NiCd/NIMh battery.

Manual of Sensorless Brushless Motor Speed Controller Ver HW-01-081027.1 - 3 - If a special tone “ ” is emitted after 2 beep tones (“beep-beep-”), means the ESC has entered the program mode, it is Jul 25, 2018 · The speed controller is a Hobbywing Pentium-30A. Here is a link on amazon. I didn't get them form there but ou can see what they look like Click here. I have the correct voltages using a 16.8v Power supply. I'm also using a arduino uno for test. And a hoverboard wheel.

Hobbywing Pentium-60a Manual Reely truggy + ezrun 8.5T 60A. by Neernitt 30A DC Motor Remote Controller with Manual. Hobbywing Pentium 60A BL Motor Speed Controller ESC W/ 3A Switch 4 PCS Hobbywing 30A ESC Speed Controller for Rc Heli planes Quadcopter 2A BEC. 49.00EUR Hobbywing 60A AIR Speed Control Hobbywing Jul 25, 2018 · The speed controller is a Hobbywing Pentium-30A. Here is a link on amazon. I didn't get them form there but ou can see what they look like Click here. I have the correct voltages using a 16.8v Power supply. I'm also using a arduino uno for test. And a hoverboard wheel.

Mystery Speed Controller Pentium-30a Manual Read/Download Mystery · Neodym Motor · Novak · O'Donnell · O.S. Engine · Ofna Racing Powerful ducted fans with brushless motors and brushless ESC and strong wing English User Manual. What you need to complete. 4CH Transmitter and Receiver. ESC Hobbywing Pentium 30A Brushless Electric Speed Mystery Speed Controller Pentium-30a Manual Read/Download Mystery · Neodym Motor · Novak · O'Donnell · O.S. Engine · Ofna Racing Powerful ducted fans with brushless motors and brushless ESC and strong wing English User Manual. What you need to complete. 4CH Transmitter and Receiver. ESC Hobbywing Pentium 30A Brushless Electric Speed

Mystery Speed Controller Pentium-30a Manual Read/Download Mystery · Neodym Motor · Novak · O'Donnell · O.S. Engine · Ofna Racing Powerful ducted fans with brushless motors and brushless ESC and strong wing English User Manual. What you need to complete. 4CH Transmitter and Receiver. ESC Hobbywing Pentium 30A Brushless Electric Speed Mar 17, 2019 · Hobbywing Pentium 30a Esc Manual. Jp Hobby Windragon Wifi 100a Esc 2 6s Ubec 5a Turbines Rc. Discussion Hobbywing Skywalker 40a Ubec Esc Rc Groups. Esc Hobbywing Platinum Pro V4 25a Lv. Original Hobbywing Platinum 100a V3 Brushless Esc Untuk Multicopter.

hobbywing pentium 30a esc manual

Austars-Model.com Hobbywing Pentium(FlyFun) 40A Brussless ESC [ESC+HW+PENTIUM40A] - Product Description Specification 1.1 Output:Continuous 40A, Burst 60A up to 10 Secs. 1.2Input Voltage: Pentium-40A:2-6 cells lithium battery or 5-18 cells NiCd/NIMh battery. 30A ESC,Hobbywing,BEC,Aircraft & Helicopter,Throttle Calibration