7invensun aGlass DK II User manual

aGlass DKⅡUser’s Manual
2017 Beijing 7invensun Technology Co., Ltd All Rights Reserved.
Page 1 of 15
aGlass VR Eye Tracking Add-on for HTC Vive
aGlass DKⅡ
Users Manual
Beijing 7invensun Technology Co., Ltd.
www.aglass.com
400-880-1390
[e-mail]
Room 1801-1803，JinHui plaza ,QiYang Road, Chaoyang District

aGlass DKⅡUser’s Manual
2017 Beijing 7invensun Technology Co., Ltd All Rights Reserved.
Page 2 of 15
Contents
1 Package Content ...............................................................................................................................................3
2 Hardware Specification....................................................................................................................................3
3 Environment Configuration............................................................................................................................4
3.1 HTC Vive.................................................................................................................................................4
3.2 Computer ...............................................................................................................................................4
3.3 SteamVR .................................................................................................................................................4
4 Hardware Assembly..........................................................................................................................................4
4.1 Assembly of aGlass Add-on ............................................................................................................4
4.2 aGlass Connector Installation ..........................................................................................................6
5Software Installation.........................................................................................................................................7
6 How to Use..........................................................................................................................................................7
6.1 Start Software .......................................................................................................................................7
6.2 Calibration..............................................................................................................................................8
6.2.1 IPD Adjusting...............................................................................................................................8
6.2.2 Adjusting of the Lens Distance..............................................................................................9
6.2.3 Position Adjusting ................................................................................................................... 10
6.2.4 Calibration ................................................................................................................................. 10
6.2.5 Verification................................................................................................................................. 10
6.3 User Management............................................................................................................................ 11
7Vision Corrective Lens................................................................................................................................... 11
8 Disassembly and Maintenance of the Product..................................................................................... 12
8.1 Disassembly of the Add-on .......................................................................................................... 12
8.2 Precautions ......................................................................................................................................... 12
8.3 Vive Controller Button Definition................................................................................................ 13
9 Biosafety Statement....................................................................................................................................... 13
10 Troubleshooting......................................................................................................................................... 14
11 Trademarks and copyright...................................................................................................................... 15

aGlass DKⅡUser’s Manual
2017 Beijing 7invensun Technology Co., Ltd All Rights Reserved.
Page 3 of 15
1Package Content
No.
Name
Amount
1
aGlass Add-on
A pair, one for left eye and another for right eye
2
aGlass Connector
1
3
Myopic lens
3 pairs (200 degree, 400 degree, 600 degree)
4
Users Manual
1
5
Service Card
1
6
Lens Cloth
1
2Hardware Specification
➢Adapted VR device: HTC Vive
➢Accuracy: < 0.5°
➢FPS: 100Hz/120Hz
➢Delay: < 5ms
➢Communication Port: USB2.0/3.0
➢FOV: >110°

aGlass DKⅡUser’s Manual
2017 Beijing 7invensun Technology Co., Ltd All Rights Reserved.
Page 4 of 15
3Environment Configuration
3.1 HTC Vive
aGlass has to be used after installed in HTC Vive, so please make sure that your HTC Vive is in
normal operation, including the base station, headset, link box and controller etc. If your HTC Vive
does not work normally, please click https://www.vive.com/us/support/.
3.2 Computer
Configuration Requirements:
➢Desktop Computer GPU: GeForce GTX 970 or higher
➢Laptop GPU: GeForce GTX 980 or higher
➢CPU: Intel Core i5- 4590 or higher
➢Memory: 8G or above
➢Interface: 2 USB interfaces at least, 1 HDMI interface at least
➢Operating System: 64-bit Windows 10
3.3 SteamVR
Please make sure that SteamVR is installed on your computer and works normally.
If you have not installed SteamVR, please click https://steamcdn-
a.akamaihd.net/client/installer/SteamSetup.exe. to download and install Steam, and then install
SteamVR in Steam.
4Hardware Assembly
4.1 Assembly of aGlass Add-on
Click http://www.aglass.com/assets/aGlass-DKII-Assembly-Guide-Chs.mp4 to learn how to
install the product.
1) Rotate the lens distance knobs on both sides of the HTC Vive headset, to maximize the lens
distance. Rotate the IPD (interpupillary distance) knob of HTC Vive, to maximize the IPD.

aGlass DKⅡUser’s Manual
2017 Beijing 7invensun Technology Co., Ltd All Rights Reserved.
Page 5 of 15
2) When installing the eye-tracking add-on for the left eye, put it above the HTC Vive lens, with
the thin side of the aGlass add-on upward (compared with the angle of the HTC Vive lens
base, slightly rotate anticlockwise to a certain angle), rotate clockwise while embedding it
with the thick side downward, and adjust the position of accessories, to finally fix the add-
on at the position above the lens.

aGlass DKⅡUser’s Manual
2017 Beijing 7invensun Technology Co., Ltd All Rights Reserved.
Page 6 of 15
3) The eye-tracking add-on for the right eye is installed in the same way as that for the left eye,
but aligned and rotated in the opposite direction.
4.2 aGlass Connector Installation
Fix the connector on the Vive strap through connector buckle. Put Vive cable under the slot of
the connector.

aGlass DKⅡUser’s Manual
2017 Beijing 7invensun Technology Co., Ltd All Rights Reserved.
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Power off the Vive. Open the compartment cover on the top of the Vive. Connect the shorter USB
cable to the reserved USB interface of Vive. Put the two longer USB cable through the Vive strap hole
and connect to the two aGlass add-ons.
5Software Installation
Click http://www.aglass.com/download?lang=en&software=soft to download aGlass Runtime.
After the download and extraction, double click Setup.exe to install the software according to the
prompts.
Note: You must log in the Windows operating system and install it as the administrator, or else
you may make the software run abnormally.
6How to Use
6.1 Start Software
Double click the aGlass Runtime shortcut on the Windows desktop, to start the aGlass Runtime
program, and the icon will appear in the system tray. The following menu will appear by a right click
on the icon in the tray:

aGlass DKⅡUser’s Manual
2017 Beijing 7invensun Technology Co., Ltd All Rights Reserved.
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6.2 Calibration
Click Calibration and choose 9-Point Calibration or 3-Point Calibration in the right click menu.
Wear the HTC Vive headset, and perform the following procedures according to the prompts on
the interface:
6.2.1 IPD Adjusting
Put on the Vive HMD. IPD adjust guidance will be seen, like shown below:
Turn the IPD knob according to the instruction in the Vive scene. Stop turning if the following
scene displayed:

aGlass DKⅡUser’s Manual
2017 Beijing 7invensun Technology Co., Ltd All Rights Reserved.
Page 9 of 15
Hold on to wait the next step.
6.2.2 Adjusting of the Lens Distance
The lens distance adjusting scene will show after the IPD adjusting. If the lens distance is OK, this
scene will be skipped.
Pull out the lens distance knob first following the display:
Turn the lens distance knob according to the image in the scene:
Stop turning when the “Hold on” displays as shown below, and wait the next step:

aGlass DKⅡUser’s Manual
2017 Beijing 7invensun Technology Co., Ltd All Rights Reserved.
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6.2.3 Position Adjusting
The position adjusting scene will be shown after the lens distance adjusting. Please adjust the
Vive HMD position relative your face according to the instruction in the scene:
When Vive HMD move to the appropriate position, the scene become:
Wait for a moment to next step.
6.2.4 Calibration
On calibration, you need to keep watching the calibration point (as shown in the figure below)
that appears:
6.2.5 Verification
You can judge whether the calibration is accurate.