Storm Interface NavPad Audio Enabled Keypads Instruction Manual

NavPad Audio Enabled Keypads

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Specifications

• Product Name: NavPad

• Manufacturer: Keymat Technology Ltd

• Interface: USB 2.0

• Keys: 6 or 8 key versions

• Installation Options: Desktop or under panel (1.2mm – 2mm panel
  only)

• Audio Features: Illuminated 3.5mm audio jack socket, beeper on
  under panel versions, microphone support

• Support: HID keyboard, HID consumer controlled device, Advanced
  audio device

• Compatibility: ADA or EN301-549 compliant applications

Product Usage Instructions

1. Keypad Installation

– Choose between the 6 or 8 key versions based on your
requirements.

– Select the appropriate installation option: desktop or under
panel (1.2mm – 2mm panel only).

2. USB Interface Setup

– Connect the NavPad to the host system using the Mini-USB
socket.

– No special drivers are required for setup.

3. Audio Functionality

– For audio versions, plug in headphones to the illuminated
3.5mm audio jack socket.

– Use the API for volume control by following the provided steps
in the user manual.

4. Support Tools

– Download support software tools from www.storm-interface.com
for customization and updates.

FAQ

Q: What voice assistants are compatible with NavPad products

with microphone support?

A: NavPad products with microphone support have been tested with
Alexa, Cortana, Siri, and Google Assistant.

Q: How can I adjust the volume using the audio module?

A: Follow the steps provided in the user manual under “Typical
method for audio module volume control using the API” section.

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NavPad Technical Manual

Product Overview Features Audio Control ­ Typical Method Part Numbers & Specifications USB Device Information Code Tables Configuration Utility
Change History

Page 2 3 4 7 9 10 11

The content of this communication and / or document, including but not limited to images, specifications, designs, concepts, data and information in any format or medium is confidential and is not to be used for any purpose or disclosed to any third party without the express and written consent of Keymat Technology Ltd. Copyright Keymat Technology Ltd. 2022 .
Storm, Storm Interface, Storm AXS, Storm ATP, Storm IXP , Storm Touchless-CX, AudioNav, AudioNav-EF and NavBar are trademarks of Keymat Technology Ltd. All other trademarks are the property of their respective owners.
Storm Interface is a trading name of Keymat Technology Ltd Storm Interface products include technology protected by international patents and design registration. All rights reserved

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NavPad Technical Manual
Product Features
Kiosks, ATMs, ticketing machines and voting terminals usually present information about available products and services via a visual display or touch screen. NavPadTM is a highly tactile interface that improves accessibility, making audio navigation and selection of screen based menus possible. An audio description of available menu options is transmitted to the user through a headset, handset or cochlea implant. When the desired menu page or menu option is located it can be selected by the press of a distinctive tactile button..
Storm Assistive Technology Products provide improved accessibility for those with impaired vision, restricted mobility or limited fine motor skills. The Storm NavPad is intended for use as the tactile/audio interface for any ADA or EN301-549 compliant application.
Coloured and backlit keys make the location of individual keys much easier for those with partial vision. The keytop’s distinctive shape and tactile symbols provide the primary means of identifying a key’s specific function.
Keypad
– 6 or 8 key versions. – Option for desktop version or under panel installation to a 1.2mm – 2mm panel only. – Audio versions have illuminated 3.5mm audio jack socket (illumination under software control) – Beeper on under panel versions only(duration controlled by software) – Mini-USB socket for connection to host
Illuminated version has white keys ­ illumination is switched on when headphones plugged in.
USB 2.0 Interface
– HID keyboard – Supports standard modifiers, i.e. Ctrl, Shift, Alt – HID consumer controlled device – Advanced audio device – No special drivers required – Audio Jack Insert / Removal sends USB code to host – Audio Jack socket is illuminated. – Versions with microphone support need to be set as the default recording device in the Sound Panel – Products with microphone support have been tested with the following voice assistants:- Alexa,
Cortana, Siri and Google Assistant.
Support Tools
The following support software tools are available for download at www.storm- interface.com
– Windows Utility for changing the USB Code Tables and control of illumination / beeper. – API for custom integration – Remote Firmware update tool.

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NavPad Technical Manual

Typical method for audio module volume control using the API

User Action
– Plug in the headphone jack
User Action
– Press the select key
User Action
– Adjust the volume – Press the select key

Host
– Host system detects the connection – Repeating message generated by the host
application software :
” Welcome to the audio menu. Press the select key to begin”
Host
– Activate the Volume Control function – Repeating message :
“Use the up & down keys to change the volume. Press the select key when finished”
Host
– De-activate the volume control function
“Thank you. Welcome to the (next menu)”

Alternate method for audio volume control using the API

User Action
– Plug in the headphone jack
User Action
– Presses the volume key

Host
– Host system detects the connection – Sets volume level to initial default – Repeating message : “Press the volume key at any time to increase the
volume level”
Host
– Host system changes the volume on each key press (up to a max limit, then revert to default)

Host
– Message stops if volume key is not pressed inside 2 seconds.

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Product Range
NavPadTM Keypad

NavPad Technical Manual

8 Key

EZ08-22301 EZ08-22200

NavPad 8-Key Tactile Interface ­ Underpanel, w/2.0m USB cable NavPad 8-Key Tactile Interface ­ Desktop, w/2.5m USB cable

NavPadTM Keypad with integrated audio

6 Key
EZ06-23001 EZ08-23001 EZ08-23200

8 Key
NavPad 6-Key Tactile Interface & Integrated Audio ­ Underpanel, no cable NavPad 8-Key Tactile Interface & Integrated Audio ­ Underpanel, no cable NavPad 8-Key Tactile Interface & Integrated Audio ­ Desktop, w/2.5m USB Cable

NavPadTM Keypad with integrated audio – Illuminated

6 Key
EZ06-43001 EZ08-43001 EZ08-43200

8 Key
NavPad 6-Key Tactile Interface & Integrated Audio ­ Backlit, Underpanel, no cable NavPad 8-Key Tactile Interface & Integrated Audio ­ Backlit, Underpanel, no cable NavPad 8-Key Tactile Interface & Integrated Audio ­ Backlit, Desktop, w/2.5m USB Cable

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Rear Case Desktop
Underpanel

NavPad Technical Manual

Underpanel Illuminated

RECOMMEND USE OF 2.5MM CABLE TIE TO RETAIN CABLE

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NavPad Technical Manual

Specifications

Rating Connection Audio
Ground Sealing Gasket USB Cable

5V ±0.25V (USB 2.0), 190mA (max) mini USB B socket (desktop versions have cable fitted) 3.5mm audio jack socket (illuminated) Output level 30mW per channel max into a 32ohm load 100mm Earth Wire with M3 ring terminal (underpanel versions) included with underpanel versions included in some versions, see specific product brochure for more information

The illuminated NavPads also support voice command:-

Microphone input

Mono microphone input with bias voltage suitable for headset microphones (CTIA connection)

Dimensions (mm)
Underpanel version Desktop version Packed Dims Panel Cutout Underpanel Depth

105 x 119 x 29 105 x 119 x 50 150 x 160 x 60 (0.38 kg) 109.5 x 95.5 Rad 5mm corners. 28 mm

Refer to drawing EZK-00-33 1.6 ­ 2.0mm panel recommended

Mechanical Operational Life

4 million cycles (min) per key

Accessories

4500-01 6000-MK00

USB CABLE MINI-B TO TYPE A, 0.9m PANEL FIXING CLIPS (PACK OF 8 CLIPS)

Use to install into a 1.6 ­ 2mm steel panel Refer to drawing EZK-00-33 for cutout dims

Performance/Regulatory

Operational Temp Weather Resistant Impact Resistance Shock & Vibration Certification

-20°C to +70°C IP65 (front) IK09 (10J Rating) ETSI 5M3 CE / FCC / UL

Connectivity

The USB interface comprises an internal USB hub with connected keyboard and audio module. This is a composite USB 2.0 device and no additional drivers are required.

PC based software utility and API are available to set/control: –

· Volume key function · Illumination on audio jack socket · Illumination on keys (backlit version only) · Customise the USB codes

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NavPad Technical Manual

USB Device Information

USB HID

The USB interface comprises a USB HUB with keyboard device and audio device connected.

JACK SOCKET (AUDIO)

KEYS

USB AUDIO DEVICE

HUB

USB KEYBOARD DEVICE

TO PC

The following VID/PID combinations are used:

For USB HUB:

For Standard Keyboard/Composite HID/ Consumer Controlled device

For USB Audio device

·

VID ­ 0x0424

·

PID ­ 0x2512

·

VID ­ 0x2047

·

PID ­ 0x09D0

·

VID ­ 0x0D8C

·

PID ­ 0x0170

This document will concentrate on the Standard Keyboard/Composite HID/Consumer Controlled device. This interface will enumerate as

·

Standard HID Keyboard

·

Composite HID-datapipe Interface

·

HID Consumer Controlled device

One of the advantages of using this implementation is that no drivers are required.

The data-pipe interface is used to provide the host application to facilitate customisation of the product.

Supported Audio Jack Configurations

The following jack configurations are supported.

Note: Application software should always ensure the same audio is present on both Left and Right Channels for correct mono operation.

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NavPad Technical Manual
Device Manager When connected to a PC, the NavPadTM + audio keypad should be detected by the operating system and enumerate without drivers. Windows shows the following devices in the Device Manager:
Keyboard Audio Keyboard
Keyboard
Audio HUB

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Code Tables Default Table Alternate Alternate Multimedia Table
Default – Illuminated

NavPad Technical Manual

Key Description Home/Menu

KEY LEGEND
<<

Help

?

End

Back

BACK

Next

NEXT

Up Down

Action Detection of headphone connection
inserted

removed

TACTILE IDENTIFIER
<
:.

< >

O

KEY COLOR BLACK
BLUE RED WHITE WHITE YELLOW YELLOW GREEN
WHITE

USB Keycode
F23 F17 F24 F21 F22 F18 F19 F20
F15 F16

Key Description Home/Menu

KEY LEGEND
<<

Help

?

End

Back

BACK

Next

NEXT

Volume Up Volume Down

Action Detection of headphone connection

inserted removed

TACTILE IDENTIFIER
<
:.

< >

O

KEY COLOR BLACK BLUE
RED WHITE WHITE YELLOW YELLOW GREEN
WHITE

USB Keycode
F23 F17 F24 F21 F22
F20
F15 F16

For the Volume up/down keys a volume up/down report will be sent to the PC according to the HID descriptor setup for HID consumer controlled device. The following report will be sent:
Volume UP key <0x01><0x02> Volume DOWN key <0x01><0x04>

Key Description Home/Menu

KEY LEGEND
<<

Help

?

End

Back

BACK

Next

NEXT

Up

Down

Action Detection of headphone connection

inserted

removed

TACTILE IDENTIFIER
<
:.

< >

O

ILLUMINATION COLOR WHITE BLUE WHITE WHITE
WHITE WHITE WHITE GREEN

USB Keycode
F23 F17 F24 F21
F22 F18 F19 F20

F15 WHITE
F16

Key illumination is turned on when headphone jack is inserted.

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NavPad Technical Manual

Using the NavPad Windows Utility to change USB Codes

Note that there are 2 Windows Utility packages available for download:

· Standard NavPad

· Illuminated NavPad

Please ensure you use the correct one as shown below

If any other keypad utility software is installed (e.g EZ-Key Utility) then you should un-install that before you start.

Non illuminated NavPad utility Illuminated NavPad utility

To be used with the following part numbers: EZ08-22301 EZ08-22200 EZ06-23001 EZ08-23001 EZ08-23200 To be used for the following part numbers: EZ06-43001 EZ08-43001 EZ08-43200

System Requirements The utility requires .NET framework to be installed on the PC and will communicate over the same USB connection but via the HID-HID data pipe channel, no special drivers are required.

Compatability

Windows 11

Windows 10

The utility can be used to configure the product for:

·

LED On/Off

·

LED brightness (0 to 9)

·

Buzzer On/Off

·

Buzzer Duration (¼ to 2 ¼ seconds)

·

Load customised keypad table

·

Write default values from volatile memory to flash

·

Reset to factory default

·

Load Firmware

Note that non-audio versions also support multiple key press combinations.

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Change History
Engineering Manual

Date 11 May 15 01 Sep 15 22 Feb 16 09 Mar 16 30 Sep 16 31 Jan 17 13 Mar 17 08 Sep 17 25 Jan 18 06 Mar 19 17 Dec 19 10 Feb 20 03 Mar 20 01 Apr 20 18 Sep 20 19 Jan 21
11 Mar 22 04 Jul 22
15 Aug 24

Version 1.0 1.2 1.3 1.4 1.5 1.7 1.8 1.9 1.9 2.0 2.1 2.1 2.2 2.2 2.3 2.4 2.5 2.6 2.7
2.8

NavPad Technical Manual
Details First Release API added Added screenshots for Firmware Updating Updated tactile symbols on keytops Added EZ Access copyright note page 2 Changed EZkey to NavPadTM Update to firmware 6.0 Added Remote Update Instructions Added RNIB logo Added Illuminated versions Removed 5 key version WARF info removed page 1 ­ no issue change Added desktop and non-audio versions Product name changed from Nav-Pad to NavPad Added note re Voice Assistant Support Updates to Utility – see below Added Audio Output level to spec table Buzzer removed from Desktop versions Note added re loading config file from network Utility / API / Downloader info removed and split out into separate documents

Firmware – std bcdDevice = 0x0200

Date 23 Apr 15 05 May 15
20 Jun 15 09 Mar 16 15 Feb 17 13 Mar 17 10 Oct 17 18 Oct 17 25 May 18

Version 1.0 2.0
3.0 4.0 5.0 6.0 7.0 8.0 8.1

Details First Release Updated so that only vol up / down works as a consumer device. Added SN set/retrieve. Jack In/Out debounce increased to 1.2 sec Change 0x80,0x81 work as multimedia codes. Improve stability Added 8 digit sn, improved recovery Set default brightness to 6 Changed behaviour (from beep to LED flash) when unit powered but not enumerated.

Firmware – illuminated

Date 6 Mar 19 06 Jan 21

Version EZI v1.0 EZI v2.0

Details First Release Fix to retain LED settings on reconnection

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