5
Polarizer: frame: 169mm(L)×43mm(W), lens: 42mm(L)×30mm(W)
Red/green filter: frame: 169mm(L)×43mm(W), lens: 42mm(L)×30mm(W)
Storage and transportation environment:
Temperature: -40℃-+50℃
Humidity: ≤80%
Air pressure: 700hPa-1060hPa(transportation), 500hPa-1060hPa(storage)
Working environment:
Temperature: -10℃-+50℃
Humidity: ≤80%
Air pressure: 760hPa-1060hPa
Power supply:
a. Voltage: 100-240V
～
, 50/60Hz
b. Input power: 75VA
Software operating environment
Software version: V2
System hardware platform(minimum configuration)
Processor dominant frequency: 1GHz
System memory: 2GB
Storage memory: 16GB
Software environment: Ubuntu v14
Internet: no need to connect
Safety software: no need safety software
Data interface: Bluetooth Specification V4.0BLE (communication protocol)/no
storage formet (storage format)
User access control: bluetooth matching encryption(user identify)/common
user(user type)/use of video display(authority limit)
Software nameing scheme:
Software name consists of 3 parts: A, B and C.
A: main version number, represents major software upgrade. Initial value is V1.
When there is major upgrade, it will increase each time, eg., V1, V2, V3, V4.....
B: subversion number, represens minor upgrades, initial value is 0, and will
inrease by 1 every time there is minor upgrade of the software.
C: corrective revision number, represents corrections of the software. Initial digits
000000. It will be the last 5 digits of the date when the software is corrected. Eg, if the
software is changed/corrected on Oct 8, 2012, the corrective revision number will be
21008.
1.3 Main performance index
1.3.1 Chart types
The chart display can show different types of charts, including: E, C, animal, 123,
ABC, polarized charts, red/green charts, radiation astigmatism, color blind chart etc.
1.3.2 Chart format
