Pro Glasses 3 Product Description v 1.4
10
Part
Description
6. Accessory attachment
Used to attach some of the optional accessories, for example
the Safety Lens
7. Nose pad
Additional nose pads can be used to change sizing
2.5
Recording unit
The recording unit is a small computer that controls the head unit. It records and stores eye-track-
ing data, sounds, and scene camera video on a removable SD card. The recording unit carries a
replaceable and rechargeable Li-ion battery that supplies power to both the recording unit and the
head unit. The recording unit has several connectors and a power button and is controlled from
Pro Glasses 3 controller application.
The recording unit consists of the following parts:
Part
Description
1. Head unit con-
nector
Connects to the head unit cable
2. Micro USB con-
nector
Connects to USB charger for powering the unit and charging the battery
3. 3.5 mm con-
nector for data syn-
chronization
TTL pulse for synchronization with external data sources
