FCCID.CO- FCC ID Database
HomeCompaniesEquipment ClassesSearch

© 2026 FCC ID Database. All rights reserved.

AboutContactData sourced from FCC public records
  1. Home/
  2. Wacom Co Ltd/
  3. HV4STU520A

HV4STU520ALCD Signature Tablet

Wacom Co Ltd
LCD Signature Tablet - FCC ID HV4STU520A - Wacom Co Ltd
Click to zoom

Application Details

Equipment Class
DCD - Part 15 Low Power Transmitter Below 1705 kHz
Date of Grant
Oct 08, 2010
Application Purpose
Original Equipment
Date of Application
Oct 08, 2010
Equipment Note
LCD Signature Tablet
Frequency Range
0.56300000 - 0.56300000
Company
Wacom Co Ltd
Country
Japan

Documents & Files

Select a file to view

Users Manual

↗

Attestation Statements

↗

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

Instruction Manual LCD Signature Tablet STU-520A Ver. 1 26 Sep, 2010 WACOM Co., Ltd WACOM Co., Ltd. 1 Table of contents 1. SCOPE ...........................................................................................................................................................2 2. SUMMARY .....................................................................................................................................................2 3. PRECAUTIONS ON USE AND HANDLING .................................................................................................2 4. OPERATION ....................................................................................................................................................4 5. NOTE ON USING THIS PRODUCT ..............................................................................................................4 5. PRODUCT SPECIFICATION ...........................................................................................................................5 5-1 GENERAL SPECIFICATIONS ........................................................................................................................................... 5 5-2 COMPLIANCE ................................................................................................................................................................ 5 5-3 COORDINATE ................................................................................................................................................................ 6 5-4 INTERFACE SPECIFICATIONS ........................................................................................................................................ 6 5-5 STATUS LED ............................................................................................................................................................... 6 5-6 LCD ............................................................................................................................................................................ 6 5-7 ENVIRONMENTAL CONDITIONS ..................................................................................................................................... 7 6. ACCESSORIES ..............................................................................................................................................7 6-1 ACCESSORY LIST (STU-520A) .................................................................................................................................... 7 6-2 PEN SPECIFICATION ..................................................................................................................................................... 8 6-3 USB CABLE(STJ-A299) .............................................................................................................................................. 9 7. FIXING STU-520A ......................................................................................................................................... 10 8. REPLACING THE PEN TIP ......................................................................................................................... 13 9. HOW TO INSTALL PEN TETHER .............................................................................................................. 14 WACOM Co., Ltd. 2 1. Scope This instruction manual applies to the LCD Signature tablet STU-520A. 2. Summary The Wacom® STU-520A LCD signature tablet combines the benefi ts of a liquid crystaldisplay (LCD) with the control, comfort, and productivity of Wacom’s cordless, batteryfree pen technology. This gives you a direct pen-on-screen interface that leads to a truer pen-on-paper writing experience. The basic components of the LCD signature tablet include a Wacom pen tablet internally mounted behind a 4.7" diagonal TFT color LCD display, and a Wacom pen. The LCD signature tablet is equipped with a USB interfaces. 3. Precautions on use and handling Be sure to follow all instructions, cautions, and warnings found within this guide. Failure to do so could cause the loss of data or damage to your computer. Failure to do so could also void your warranty, in which case Wacom shall have no responsibility to repair or replace the product. WARNING Do not use the STU-520A LCD signature tablet in a facility control system that requires extremely high reliability; it may cause other electronic devices to malfunction, or other devices may cause the LCD signature tablet to malfunction. Where use is prohibited, power off the STU-520A to prevent the possibility of it causing other electronic devices to malfunction. Wacom does not accept any liability for direct or consequential damages. High Voltage. Do not open or disassemble the STU-520A LCD signature tablet. There is a risk of electrical shock when the casing is open. This will also void your warranty and Wacom shall have no responsibility to repair or replace the product. If the LCD screen has been damaged, DO NOT touch any liquid that may be leaking from it; this liquid is an irritant. In case of contact with skin, eyes, or mouth, rinse immediately with running water for at least 15 minutes or more. If contact is made with the eyes or mouth, also consult a physician. Prevent children from swallowing the pen tip. The pen tip may accidentally be pulled out if children are biting on them. CAUTION Do not use or store the LCD signature tablet where: • Temperature changes are severe or exceed specifi cations (e.g., outdoors or inside a vehicle). • The LCD signature tablet and pen are exposed to direct sunlight or heat from an appliance, or are exposed to water or any other kind of liquid. Do not use the LCD signature tablet in a dusty environment; this may damage the unit. Do not disassemble the pen. This may cause the device to malfunction. In this case, Wacom shall have no responsibility to repair or replace the product. Do not scratch the displ…

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

External Photos

Wacom Co., Ltd. FCC ID: HV4STU520A IC: 6888A-STU520A Page 1 of 5 Wacom Co., Ltd. FCC ID: HV4STU520A IC: 6888A-STU520A Page 2 of 5 Wacom Co., Ltd. FCC ID: HV4STU520A IC: 6888A-STU520A Page 3 of 5 Wacom Co., Ltd. FCC ID: HV4STU520A IC: 6888A-STU520A Page 4 of 5 Wacom Co., Ltd. FCC ID: HV4STU520A IC: 6888A-STU520A Page 5 of 5

ID Label/Location Info

Location of label

Internal Photos

Wacom Co., Ltd. FCC ID: HV4STU520A IC: 6888A-STU520A Page 1 of 12 Wacom Co., Ltd. FCC ID: HV4STU520A IC: 6888A-STU520A Page 2 of 12 Wacom Co., Ltd. FCC ID: HV4STU520A IC: 6888A-STU520A Page 3 of 12 Wacom Co., Ltd. FCC ID: HV4STU520A IC: 6888A-STU520A Page 4 of 12 Wacom Co., Ltd. FCC ID: HV4STU520A IC: 6888A-STU520A Page 5 of 12 Wacom Co., Ltd. FCC ID: HV4STU520A IC: 6888A-STU520A Page 6 of 12 Wacom Co., Ltd. FCC ID: HV4STU520A IC: 6888A-STU520A Page 7 of 12 Wacom Co., Ltd. FCC ID: HV4STU520A IC: 6888A-STU520A Page 8 of 12 Wacom Co., Ltd. FCC ID: HV4STU520A IC: 6888A-STU520A Page 9 of 12 Wacom Co., Ltd. FCC ID: HV4STU520A IC: 6888A-STU520A Page 10 of 12 Wacom Co., Ltd. FCC ID: HV4STU520A IC: 6888A-STU520A Page 11 of 12 Wacom Co., Ltd. FCC ID: HV4STU520A IC: 6888A-STU520A Page 12 of 12

Test Report

Report number: Z071C-10250 Page 2 of 21 ZACTA Technology Corp. FCC ID: HV4STU520A FCC 15C Rev.3.0 IC Certification Number: 6888A-STU520A Table of contents Page 1. Summary of Test.................................................................................................................................................................. 4 1.1 Purpose of test..........................................................................................................................................................................4 1.2 Standards ..................................................................................................................................................................................4 1.3 Summary of test results ...........................................................................................................................................................4 1.4 Deviation from the standard....................................................................................................................................................4 1.5 Modification to the EUT by laboratory ..................................................................................................................................4 2. Equipment description......................................................................................................................................................... 5 2.1 General Description of equipment..........................................................................................................................................5 2.2 EUT information......................................................................................................................................................................5 2.3 Operating mode .......................................................................................................................................................................5 3. Configuration information................................................................................................................................................... 6 3.1 EUT and Peripheral(s) used ....................................................................................................................................................6 3.2 Cable(s) information................................................................................................................................................................6 3.3 System configuration...............................................................................................................................................................7 4. Test Type and Results .......................................................................................................................................................... 9 4.1 99% Occupied Bandwidth ......................................................................................................................................................9 4.1.1 Test Procedure [ IC RSS-210 A8.1(a) ]..........................................................................................................................9 4.1.2 Measurement Setup ...........................................................................................................................................................9 4.1.3 Limit of Bandwidth at 99% Occupied Bandwidth ...........................................................................................................9 4.1.4 Measurement Result ........................................................................................................................................................10 4.1.5 Trace Data........................................................................................................................................................................10 4.2 Radiated Emissions (9kHz to 30MHz).................................................................................................................................11 4.2.1 Test Procedure [ FCC 15.209, IC RSS-210 2.2, RSS-Gen 4.9, 4.10, 4.11 ]................................................................11 4.2.2 Measurement Setup .........................................................................................................................................................11 4.2.3 Limit of Spurious Emission Measurement .....................................................................................................................12 4.2.4 Calculation Method .........................................................................................................................................................12 4.2.5 Measurement Results ......................................................................................................................................................12 4.3 Radiated Emissions (30MHz to 1000MHz)........................................................................................................................ 13 4.3.1 Test Procedure [ FCC 15.209, IC RSS-210 2.2, RSS-Gen 4.9, 4.10, 4.11 ]................................................................13 4.3.2 Measurement Setup .........................................................................................................................................................13 4.3.3 Limit of Spurious Emission Measurement .....................................................................................................................14 4.3.4 Calculation Method .........................................................................................................................................................14 4.3.5 Measurement Results ......................................................................................................................................................15 4.4 …

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

Test Setup Photos

Wacom Co., Ltd. FCC ID: HV4STU520A IC: 6888A-STU520A Radiated Emission below 30MHz The photographs show maximized emission configuration. Wacom Co., Ltd. FCC ID: HV4STU520A IC: 6888A-STU520A Radiated Emission above 30MHz The photographs show maximized emission configuration. Wacom Co., Ltd. FCC ID: HV4STU520A IC: 6888A-STU520A Conducted Emission at mains port The photographs show maximized emission configuration.

Contact Information

Applicant

Koichi Yokoyama(Senior Director, Quality Assurance)
[email protected]81-480-78-1257Fax: 81-480-78-1404

Test Firm

TUV SUD Zacta Ltd.Katsumi Sumiyoshi
[email protected]81-238-28-2880Fax: 81-238-28-2888

Technical Specifications

#Rule PartsFrequency RangePower Output
115C0.563 MHz - 0.563 MHz-
Confidentiality
Long Term

Other Applications from Wacom Co Ltd

HV4CTK6120

Pen Tablet

Aug 19, 2026

Equipment Class

DCD - Part 15 Low Power Transmitter Below 1705 kHz
HV4STU540A

LCD SIGNATURE PAD

May 12, 2026

Equipment Class

DCD - Part 15 Low Power Transmitter Below 1705 kHz
HV4DTHA140

Portable Pad

Sep 16, 2025

Equipment Class

DTS - Digital Transmission System
HV4PTK470

Creative Pen Tablet

Oct 10, 2024

Equipment Class

DTS - Digital Transmission System
HV4PTK870

Creative Pen Tablet

Oct 10, 2024

Equipment Class

DCD - Part 15 Low Power Transmitter Below 1705 kHz