FCCID.CO- FCC ID Database
HomeCompaniesEquipment ClassesSearch

© 2026 FCC ID Database. All rights reserved.

AboutContactData sourced from FCC public records
  1. Home/
  2. SHENZHEN YONGNUO PHOTOGRAPHIC EQUIPMENT CO., LTD/
  3. 2ACYPYN622C-TX

2ACYPYN622C-TXE-TTL Wireless Flash Controller

SHENZHEN YONGNUO PHOTOGRAPHIC EQUIPMENT CO., LTD
E-TTL Wireless Flash Controller - FCC ID 2ACYPYN622C-TX - SHENZHEN YONGNUO PHOTOGRAPHIC EQUIPMENT CO., LTD
Click to zoom

Application Details

Equipment Class
DXX - Part 15 Low Power Communication Device Transmitter
Date of Grant
Aug 19, 2014
Application Purpose
Original Equipment
Date of Application
Aug 19, 2014
Equipment Note
E-TTL Wireless Flash Controller
Frequency Range
2403.00000000 - 2470.00000000
Company
SHENZHEN YONGNUO PHOTOGRAPHIC EQUIPMENT CO., LTD
Country
China

Documents & Files

Select a file to view

Users Manual

↗

Cover Letter(s)

↗
↗

External Photos

↗

ID Label/Location Info

↗
↗

Internal Photos

↗

Test Report

↗

Test Setup Photos

↗

Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

Users Manual

User Manual 用户手册 Wireless Flash Controller YN622C-TX HCZMOO ŸPlease turn off power supplies of all equipment when connecting or installing the product. ŸPlease keep it dry. Be sure not to use wet hand to touch the product. It is also not allowed to immerse the product into water or make it be exposed in the rain. Otherwise it may not work normally or even be damaged. ŸDo not use it in explosive situations. Violating this warning may cause an explosion or fire. ŸThis product involves battery, please be in strict accordance with the relevant provisions on the use of the battery. Otherwise it would cause property damage or personal injury. Contents/Cautions General Description.................1 Conventions Used in the Manual..........2 Supported Functions List...............3 Name of Parts/Quick Start Guide...........4-5 Preparation Before Use..............6 Settings.....................7-11 Flash Awaking and Triggering...........12 Control from Camera’s Menu Screen.........13 C.FN: Custom Function Settings..........14 Other Trigger Modes..............15 Shutter Release Function............16 Reference...................17-19 Troubleshooting..................20 Specifications...................21 Thank you for choosing products of YONGNUO. ŸYN622C-TX E-TTL wireless flash controller is for supporting the use of YN622C E-TTL wireless flash trigger transceiver. ŸThis product adopts flexible LCD menu control, supports mixed use of E-TTL(II) mode, manual mode, or super sync flash mode of group A/B/C flash. Supports multi flash, supports E-TTL ratio. It can be adjusted the exposure compensation or flash output of each group. In addition, it supports setting different focal length(zoom)of the three groups of flash, the remote controlled distance up to 100M, supports 7 wireless channels and three groups A/B/C , and is equipped with AF-assist beam emitter. Supports firmware upgrade via USB . General Description Compatible camera : Canon EOS series DSLR LS-2.5/C1: 60D/70D/400Dseries/500D series/600D series/1000D series LS-2.5/C3: 40D/50D/7D/1D series/5D series Cameras compatible with the shutter release cable (parts): ŸThis manual to assume using compatible camera/flash and YN622C transceiver in the same channel. The features/functions supported by the product depend on the camera and flash used. For the operation of camera, flash ant the YN622C transceiver, please refer to relevant user manuals. ŸFor the user manual and firmware of the latest version, please visit the official website of YONGNUO: www.hkyongnuo.com. Refers to short press the button. Refers to long press(hold down) the button. YN622C-TX YN622C Conventions Used in the Manual ŸIcon used in this manual: ŸLCD screen display, and multi-buttons for quick operation ŸThe firmware can be upgraded through the USB interface ŸSupports wireless shutter release function ŸThe focal length(zoom)of the A/B/C three group flash can be adjusted separately ŸSupports TTL Ratio A:B / A:B C ŸAF-assist beam emitter function ŸFlash mode: GR(grouping flash)/E-TTL(II)/Multi flash ŸSupports mixed use of E-TTL(II) mode, manual flash mode or super sync(SS) of A/B/C group flash. ŸThe exposure compensation or flash output of A/B/C three groups of flashes can be adjusted separately ŸShutter Sync: 1st-curtain sync, 2nd-curtain sync and high-speed sync, the highest sync speed is 1/8000s ŸSupports FEC, FEB, FEL ŸSupports modeling flash ŸSupports the flash zooming (auto, manual) ŸSuper Sync (SS) time delay adjustment, for higher x-sync speed than the camera allows ŸSettings saved automatically ŸThe flash sync signal can be input through the PC port ŸSupports the basic flash trigger (max sync speed is 1/250s) of standard hot shoe (non Canon body) *The above functions need to be used with the YN622C transceiver. Parts of functions may refer to the manufacturer of the camera and flash(FEL,Modeling Flash ). (can be disabled) Supported Functions List E-TTL Ratio FEB Multi ※The protective film can be torn out. LCD High speed sync ZOOM Flash parameter area Battery electricity Channel AF assist beam emitter 2nd curtain Sync Name of Parts/Quick Start Guide HCZMOO Name of Parts/Quick Start Guide A-LCD: Display all the settings of controller. B-2.5MM Shutter release interface: Wireless shutter release function(P.16). C-AF assist beam emitter: (P.14) D-PC interface: Input the flash sync signal(P.15). E-USB interface: Connected to the computer to update the firmware (P.19). F- button: Flash mode setting. G-GR/* button: Short press to move the arrow to set flash group or other parameters; Long press to get different functions int different modes. H-TEST button: Long press to wake the flash up, loosen to test the flash(P.12). I-Select/Set button group: Multifunction button group, including the [UP] [DOWN] [LEFT] [RIGHT] and [OK] buttons. J-SYNC/FN button: Short press for flash shutter sync mode setting(P.11), long press for C.FN setting (P.14). K-ZOOM/CH button: short press for zoom setting (P.11), long press for channel setting(P.7) . L-Power switch: Slide to ON for power on. M-Status indicator : The green light will bright when in communication; while the red light will bright when in triggering (or shutter releasing). N-Locking ring and locking pin O-Hot shoe Mounting foot and contacts P-Battery compartment and battery cover Preparation Before Use 2.YN622C-TX Controller Settings: (excluded). 2).Installing the Controller on the Camera . 3).Power on when the power switch slides to [ON]. 1).Installing the 2 AA (1.5V)batteries 4).Channel Setting: Long press the [ZOOM/CH] button, then press the select/set button group to the same channel as the YN622C transceiver. HCZMOO Ch7Ch6Ch5Ch4Ch3Ch2Ch1 Ch1 1.YN622C Transceiver Settings: Set the receiving group transceiver (refer to the user manual of the YN622C). and channel of the ŸLong press the [ ] button to switch the flash mode GR/TTL/Multi. ŸIn GR mode, short press the [ ] button to switch the current group the arrow pointing to; in TTL/Multi…

Text truncated - open the document above for the full version.

Cover Letter(s)

SHENZHEN YONGNUO PHOTOGRAPHIC EQUIPMENT CO., LTD Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 Request for Confidentiality Company name: SHENZHEN YONGNUO PHOTOGRAPHIC EQUIPMENT CO., LTD FCC ID : 2ACYPYN622C-TX FCC Part 15 Certification Gentlemen, Pursuant to 47 CFR 0.457(d)(1)(ii) and 0.459 we hereby requests permanent confidentiality of the following documents for the subject application: Exhibit Type Description ☒ Schematics All circuitry of devices and component values ☒ Block Diagrams Details of device showing the frequency of all oscillators ☒ Operational Description Description of the circuit functions Note: Exhibit types that are commonly held confidential are: (1) Schematics, (2) Block Diagrams, (3) Bill Of Materials, (4) Operational Descriptions. Any exhibit NOT granted confidentiality is viewable on the FCC website as soon as a grant is issued. These documents contain detailed system and equipment description and related information about the product which we considers to be proprietary, confidential and a custom design and otherwise would not release to the general public. Since the design is a basis from which future technological products will evolve, we consider that this information would be of benefit to its competitors and that the disclosure of the information in these documents would give competitors an unfair advantage in the market. Yours sincerely, Signatory Name salas Li Position Manager Company Name SHENZHEN YONGNUO PHOTOGRAPHIC EQUIPMENT CO., LTD Address B509 5/F, BUILDING 2, SAIGE SCIENCE AND TECHNOLOGY PARK, NORTH OF HUAQIANG ROAD, FUTIAN, SHENZHEN, CHINA. Tel +86-755-83762448 Fax +86-755-83762765 Email [email protected]

Cover Letter(s)

SHENZHEN YONGNUO PHOTOGRAPHIC EQUIPMENT CO., LTD Date: 16.08.2014 Authority to Act as an Agent We declare that the following representative (agent) Name Mark Zhu Position Manager Company Name Shenzhen Certification Technology Service Co., Ltd. Address 2F, Building B, East Area of Nanchang Second Industrial Zone, Gushu 2 nd Road, Bao’an District, Shenzhen 518126, P.R. China Tel / Fax 0755-86375541/0755-26736857 Email [email protected] to act on our behalf on all matters concerning the application and documents submitted to PHOENIX TEST-LAB for product certification below Product Name E-TTL Wireless Flash Controller Model Name YN622C-TX Brand Name YONGNUO . Yours sincerely, Signatory Name salas Li Position Manager Company Name SHENZHEN YONGNUO PHOTOGRAPHIC EQUIPMENT CO., LTD Address B509 5/F, BUILDING 2, SAIGE SCIENCE AND TECHNOLOGY PARK, NORTH OF HUAQIANG ROAD, FUTIAN, SHENZHEN, CHINA. Tel +86-755-83762448 Fax +86-755-83762765 Email [email protected] In case of FCC, we certify that we are not subject to a denial of Federal benefits, that include FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. §862 because of a conviction for possession or distribution of a controlled substance.

ID Label/Location Info

Size:5mm*20mm FCC ID: 2ACYPYN622C-TX SHENZHEN YONGNUO PHOTOGRAPHIC EQUIPMENT C O., LTD Model name: E-TTL Wireless Flash Controller Model No.: YN622C-TX

ID Label/Location Info

Label Location

Internal Photos

Antenna

Test Report

Shenzhen Certification Technology Service Co., Ltd 2F, Building B, East Area of Nanchang Second Industrial Zone, Gushu 2nd Road, Bao'an District, Shenzhen518126, P.R. China. TEST REPORT FCC ID: 2ACYPYN622C-TX Applicant : SHENZHEN YONGNUO PHOTOGRAPHIC EQUIPMENT CO., LTD Address : B509 5/F, BUILDING 2, SAIGE SCIENCE AND TECHNOLOGY PARK, NORTH OF HUAQIANG ROAD, FUTIAN, SHENZHEN, CHINA . Equipment under Test (EUT): Name : E -TTL Wireless Flash Controller Model : YN622C-TX Standards : FCC PART 15, SUBPART C : 2013 (Section 15.249) Report No. : CST-TCB140624028 Date of Test : August 02 - 08, 2014 Date of Issue : August 09, 2014 Test Result : PASS * * In the configuration tested, the EUT complied with the standards specified above Authorized Signature (Mark Zhu) General Manager The manufacture should ensure that all the products in series production are in conformity with the product sample detailed in this report. If the product in this report is used in any configuration other than that detailed in the report, the manufacturer must ensure the new system complies with all relevant standards. Any mention of Shenzhen Certification Technology Service Co., Ltd. Or test done by Shenzhen Certification Technology Service Co., Ltd. Approvals in connection with, distribution or use of the product described in this report must be approved by Shenzhen Certification Technology Service Co., Ltd. Approvals in writing. FCC ID: 2ACYPYN622C-TX Page 1 of 38 Report No.: CST-TCB140624028 TABLE OF CONTENT Description Page 1 General Information ----------------------------------------------------------------------------------- 3 1.1 Description of Device (EUT) ---------------------------------------------------------------- 3 1.2 Description of Test Facility ------------------------------------------------------------------ 3 2 EMC Equipment List ------------------------------------------------------------------------------- 4 3 Test Procedure ---------------------------------------------------------------------------------------- 5 4 Summary of Measurement ------------------------------------------------------------------------ 6 4.1 Summary of test result ----------------------------------------------------------------------- 6 4.2 Test mode -------------------------------------------------------------------------------------- 6 5 POWER LINE CONDUCTED EMISSION --------------------------------------------------- 8 5.1 Conducted Emission Limits(15.209&249) ------------------------------------------------ 8 5.2 Test Setup -------------------------------------------------------------------------------------- 8 5.3 Test Procedure --------------------------------------------------------------------------------- 9 5.4 Test Results ------------------------------------------------------------------------------------ 9 6 Radiation Emission -------------------------------------------------------------------------------- 12 6.1 Radiation Emission Limits(15.209&249 (a)) -------------------------------------------- 12 6.2 Test Setup ------------------------------------------------------------------------------------- 13 6.3 Test Procedure -------------------------------------------------------------------------------- 14 6.4 Test Equipment Setting For emission test. ----------------------------------------------- 15 6.5 Test Condition -------------------------------------------------------------------------------- 15 6.6 Test Result ------------------------------------------------------------------------------------ 15 7 Occupied bandwidth ------------------------------------------------------------------------------- 21 7.1 Test limit -------------------------------------------------------------------------------------- 21 7.2 Method of measurement -------------------------------------------------------------------- 21 7.3 Test Setup ------------------------------------------------------------------------------------- 21 7.4 Test Results ----------------------------------------------------------------------------------- 21 8 Band Edge Check ---------------------------------------------------------------------------------- 24 8.1 Test limit -------------------------------------------------------------------------------------- 24 8.2 Test Procedure -------------------------------------------------------------------------------- 24 8.3 Test Setup ------------------------------------------------------------------------------------- 24 8.4 Test Result ------------------------------------------------------------------------------------ 24 9 Antenna Requirement ----------------------------------------------------------------------------- 29 9.1 Standard Requirement ----------------------------------------------------------------------- 29 9.2 Antenna Connected Construction ---------------------------------------------------------- 29 9.3 Result ------------------------------------------------------------------------------------------ 29 10 Photographs of Test Setup ------------------------------------------------------------------------ 30 11 Photographs of EUT ------------------------------------------------------------------------------- 32 FCCID: 2ACYPYN622C-TX Page 2 of 38 Report No.: CST-TCB140624028 1 General Information 1.1 Description of Device (EUT) Trade Name : YONGNUO EUT : E-TTL Wireless Flash Controller Model No. : YN622C-TX D I F F. : N/A Type of Antenna : Multilayer chip Antenna, Max. Gain: 2.5dBi Operation Frequency : 2403-2470MHz Channel number : 7 Modulation type : FSK Power Supply : DC 3V Supply by battery or DC 5V from PC with AC 120V/60Hz Applicant : SHENZHEN YONGNUO PHOTOGRAPHIC EQUIPMENT CO., LTD Address : B509 5/F, BUILDING 2, SAIGE SCIENCE AND TECHNOLOGY PARK, NORTH OF HUAQIANG ROAD, FUTIAN, SHENZHEN, CHINA . Manufacturer : SHENZHEN YONGNUO PHOTOGRAPHIC EQUIPMENT CO., LTD Address : B509 5/F, BUILDING 2, SAIGE SCIENCE AND TECHNOLOGY PARK, NORTH OF HUAQIANG ROAD, FUTIAN, SHENZHEN, CHINA . 1.2 Description of Te…

Text truncated - open the document above for the full version.

Test Setup Photos

Photographs-Radiated Emission Test Setup in Chamber Below 1G Above 1G Photographs Conducted Emission Test Setup

Contact Information

Applicant

Dong Juan Liao(Project Supervisor)
[email protected]0755-33008068Fax: 0755-83762765

Test Firm

Shenzhen Certification Technology Service Co., LtdMark Zhu
[email protected]86-755-86375552Fax: 86-755-26736857

Technical Specifications

#Rule PartsFrequency RangePower Output
115C2.40 GHz - 2.47 GHz-
Confidentiality
Long Term

Other Applications from SHENZHEN YONGNUO PHOTOGRAPHIC EQUIPMENT CO., LTD

Wireless Flash Transmitter - FCC ID 2ACYPYN32TX - SHENZHEN YONGNUO PHOTOGRAPHIC EQUIPMENT CO., LTD
2ACYPYN32TX

Wireless Flash Transmitter

Apr 22, 2022

Equipment Class

DXX - Part 15 Low Power Communication Device Transmitter
Pro LED Video Light - FCC ID 2ACYPYN600LII - SHENZHEN YONGNUO PHOTOGRAPHIC EQUIPMENT CO., LTD
2ACYPYN600LII

Pro LED Video Light

Apr 22, 2022

Equipment Class

DXX - Part 15 Low Power Communication Device Transmitter
2ACYPYN685RF

TTL SPEEDLITE

Apr 22, 2022

Equipment Class

DXX - Part 15 Low Power Communication Device Transmitter
Wireless Flash Trigger - FCC ID 2ACYP-RF605C - SHENZHEN YONGNUO PHOTOGRAPHIC EQUIPMENT CO., LTD
2ACYP-RF605C

Wireless Flash Trigger

Nov 28, 2014

Equipment Class

DXX - Part 15 Low Power Communication Device Transmitter
Wireless Timer Remote Controller - FCC ID 2ACYPMC-36R - SHENZHEN YONGNUO PHOTOGRAPHIC EQUIPMENT CO., LTD
2ACYPMC-36R

Wireless Timer Remote Controller

Aug 28, 2014

Equipment Class

DXX - Part 15 Low Power Communication Device Transmitter