iOptron 8427 User's Manual
Contents
1. ST 4 Autoguiding Adapter 8427 Instruction Manual iOptron Corporation 6E Gill Street Woburn MA 01801 www iOptron com iOptron s ST 4 Autoguiding Adapter ST 4 Adapter is an accessory used together with an iOptron s equatorial mount for autoguide application It supports iOptron products including 8419 SmartStar PR GEM 8400 GoToNova dual axis motor kits and other SmartStar mount setting as an EQ mount It also supports GOTOSTAR dual axis motor kits This device provides a bridge between an ST 4 compatible autoguiding equipment and an iOptron s mount Hardware included e ST 4 Adapter 6P4C coiled cable Firmware GoToNova 8401 hand controller with firmware version Ver090630 and beyond Connection Figure 1 ST 4 adapter and cable ST 4 Adapter has two ports as indicated in Figure 1 iOptron Port and Guide Port Connect one end of supplied 6P4C coiled cable to the iOptron Port of the adapter Plug the other end into an available HBX port Port A or Port B socket on the mount Connect Guide Port to ST 4 compatible autoguiding equipment using a 6P6C RJ 12 cable not included Note Do not plug ST 4 autoguiding cable which also has a 6 pin RJ plug cable into GoToNova hand control port neither the HBX on an iOptron mount This could damage hand controller mount control board or ST 4 autoguiding equipment Operation Press MENU select Auto Guide press ENTER If an ST 4 Adapter is connected Auto Guid2. e Port will show on 8401 screen Figure 2 Now the motors can be controlled by a guiding signal from an ST 4 compatible autoguiding equipment through Guide Port Use the number key to select guide rate Figure 2 ST 4 adapter is connected Select Guider Direction The Guide Port ST 4 adapter equipped is capable to handle an ST 4 autoguiding camera with a straight or a reverse wired guiding cable The default setting is straight However if your guiding cable is reversed the guiding would not be possible you can simply open the ST 4 adapter cover and move the jumper from normal to reverse position as shown in Figure 3 Figure 3 Inside of an ST 4 adapter Figure 4 shows different wiring direction 1 NC 1 R A right 2 Ground 2 DBC down J R A left 3 DEC up 4 DEC up 4 R A left 5 PRC down 5 Ground 6 R A right 654391 NC Norma Reverse Figure 4 ST 4 wiring May 2011 V2 0 iOptron reserves the rights to revise this instruction without notice Actual color contents design may differ from those described in this instruction
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