ASTRO DEVICES Nexus-II User Manual

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USER MANUAL

Nexus

-II

CHARGE

STATUS

POWER

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Summary of Contents for ASTRO DEVICES Nexus-II

Page 1 USER MANUAL Nexus CHARGE STATUS POWER...
Page 2 NEVER leave Nexus-II where it is subjected to extremes in temperatures. This includes low levels as well as high. DO NOT leave Nexus-II where it is in direct sunlight or in an enclosed space, such as a car, that can become extremely hot very rapidly.
Page 3: Product Features
Nexus-II is a computerised WiFi wireless adapter for your telescope. It works with most popular telescopes – on equatorial or Alt-Azimuth mounts. Nexus-II can be configured to function as a DSC and/or USB serial to WiFi adapter. Nexus-II, two optical encoders, encoder cable and a tablet or computer will transform your telescope into a computerised telescope making locating all those hard to find objects an easy task.
Page 4: Package Content
5-9V DC USB ENCODERS WARNING: Do not connect Nexus-II to an external power source that is not within the specified voltage range. Nexus has internal over-current protection but it is safer to use it with the power source specified. The USB port can be used to charge your portable computing device and Nexus-II can provide up to 0.5A.
Page 5: Charge The Battery
1.5A at 5V otherwise it will take much longer to fully charge the battery in Nexus-II. Connect the power adapter to Nexus-II and plug the adapter into a power point. It is recommended to keep Nexus-II turned off during charging to reduce charging time.
Page 6 Altitude cable is connected to the Declination encoder. Wireless DSC and USB serial to WiFi adapter Nexus-II can be used as a wireless DSC and a USB serial to WIFi adapter. In this mode Nexus-II is used for a ‘push-to’ DSC on a telescope while USB can be connected to another telescope/device.
Page 7 In this mode only the USB port is used. The USB port is connected using a standard USB cable to a telescope with a USB interface. Nexus-II supports a number of telescopes with a USB interface based on FT232x (ServoCAT, SiTech), CP210x (iOptron) and PL2303 (iOptron, Meade) chips.
Page 8: Updating Firmware
Nexus-II is operating in Access Point mode by default. The default SSID of Nexus is ADNexusII_XXXXX where XXXXX is the serial number of your Nexus. The serial number is printed of the back of your Nexus-II. The SSID can be changed using the configuration utility.
Page 9 Status LED will start ‘pulsating’ blinking • Turn Nexus OFF • Remove the USB memory stick Please note that Nexus-II may reset all of its settings with a firmware update. Restoring WiFi factory settings From time to time you may need to restore the WiFi settings of your Nexus-II.
Page 10: Frequently Asked Questions (Faq)
A: Nexus-II uses only external power source to operate and to charge the battery. If the battery is fully charged then the external power will be used to power Nexus-II. If the battery is not fully charged then external power will be used to charge the battery and to power Nexus-II.
Page 11 A: Yes, Nexus-II works with any recent Android based phone/tablet without any need to modify the firmware on that device. Nexus is working as a WiFi access point. Suppliers of Encoders/Telescope Encoder kits Nexus is compatible with most quadrature rotary encoders with TTL level outputs and powered with 5V.
Page 12: Warranty
Warranty Nexus-II is covered by a one-year limited warranty. Please refer to the enclosed warranty certificate for full details. Technical Support You can find the latest version of the manual and firmware in the support section of our website. Please feel free to e-mail us should you require further technical assistance.
Page 13 FCC Statement for Nexus-II Contains: FCC ID: 2AC7Z-ESPWROOM02 This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Page 14: Declaration Of Conformity
DECLARATION OF CONFORMITY Astro Devices, ABN 75 270 616 917, 198 The Esplanade, SYLVANIA, NSW 2224, AUSTRALIA, E-mail: info@astrodevices.com, As manufacturer/producer declare that: Nexus-II Product Name: Product Series: NXIIW12 Product Description: Wireless digital setting circles/multifunctional adapter for telescopes conforms to the following directives and standards therein Directives: WEEE- Waste from Electrical and Electronic Equipment - 2002/96/EC Radio Equipment &...
Page 15: Communication Protocols
Each command has the following syntax: <set/get>_<parameter 1>[_<parameter 2>]_<value><CR> Nexus-II will send back the value requested or ‘OK” in case of a ‘set’ command. The returned packet will be equal ‘ERR’ in case of invalid requests. The return packets are always terminated with <CR>.
Page 16 Specifies the communication protocol to be connected to the set PORTI protocol 1<cr> physical port get PORTI protocol<cr> 0 - Astro Devices communication protocol 1 - SkyCommander communication protocol 2 - ServoCat communication protocol stopbits Specifies the number of stop bits.
Page 17 0÷7 Specifies the connection type for the virtual port (0÷5), The connection type can be equal to one of the following values: 0 - Astro Devices communication protocol 1 - SkyCommander communication protocol 2 - ServoCat communication protocol 3 - Configuration communication protocol...
Page 18 Glossary CPR stands for Counts Per Revolution. PC is a personal computer. It includes computers running Windows, Linux or Mac OS. SSID (Service Set Identifier) is the name of a wireless local area network (WLAN), Standby mode is when the Nexus is passively waiting for a connection with a Tablet/PC.
Page 20 Printed in Australia...