EA4TX – ARS-USB Manual – June. 2024 Page 26
Index
Introduction .................................................................................................... 2
About this manual ......................................................................................... 3
ARS-USB circuit Setup .................................................................................. 4
1.1 Connector J1: Azimuth Relay connections .............................................. 5
1.2 Connector J2: Elevation Relay connections ............................................ 7
1.3 Connector J3: Power input ...................................................................... 8
1.4 Leds: Red and Green .............................................................................. 8
1.5 End Limits: Azimuth & Elevation ............................................................. 9
1.6 Connectors J4: Operation of the ADC ................................................... 10
1.6.1 PCB Description ................................................................................. 13
1.7 LCD Socket and contrast adjustment .................................................... 15
1.8 KBD Socket ........................................................................................... 16
Working with the ARS-USB ......................................................................... 17
2.1 COM Port: ............................................................................................. 17
2.2 Keypad: F1, F2, F3 & F4 ....................................................................... 17
2.3 Special Keypad options......................................................................... 18
A.- Bootloader – F1 ..................................................................................................................... 18
B.- Absolute Mode – F2 .............................................................................................................. 18
C.- Factory default configuration – F3 + F4 ............................................................................. 18
2.4 Error Messages ..................................................................................... 19
Driver Installation for the ARS-USB ........................................................... 20
3.1 Port reassignment ................................................................................. 22
Specifications ............................................................................................... 24
Notes ............................................................................................................. 25
Index ............................................................................................................. 26