background image

Wireless 

 
This  turns  the  wireless  communications  on  or  off.    The  default  for  the  MicroTouch 
Autofocuser  is 

OFF

.    If  the  autofocuser  is  upgraded  to  the  wireless  version,  the  mode 

must be changed to 

ON

 
 

Motor Rev 

 
This reverses the direction of the motor. 
 
 

Reset Position 

 
The default position of the digital readout is 30000.  The range of focus is 0-60000.  If the 
focuser is moved to either end of this range, press 

MODE

 until 

Reset Position?

 appears.  

Press and hold the 

SET

 button until the display blinks and resets.  The position has now 

been  reset  to  30000.    If  a  different  default  position  is  desired,  it  is  possible  to  program 
this using the MicroTouch software (described below). 
 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Содержание MicroTouch Autofocuser

Страница 1: ... focus position as well as information used for programming the temperature compensation feature The MicroTouch Autofocuser is compatible with Feathertouch Crayford focusers Feathertouch SCT MicroFocusers and Feathertouch MicroFocusers for Takahashi and TeleVue refractors An optional larger focus motor allows use with the Starlight Instruments 3 5 focuser Included Parts Hand Control Focus Motor Fo...

Страница 2: ...head wrench to remove the knobs 2 Install the small brass gear onto the focus shaft The gear goes toward the telescope with the smaller gear hub away from the scope as shown below The gear should touch the brass bearing hub on the focuser Use the small hex head wrench to lock the gear in place Note The gear has a small insert to allow installation on different size focus shafts The insert can only...

Страница 3: ...pletely cover the silver portion of the focuser Use the large hex head wrench to lock the motor in place Connect Hand Control 4 Use the included RJ11 cable to connect the motor to the hand control Using the MicroTouch Autofocuser Manually You can use the MicroTouch focuser to focus the telescope visually by using the IN and OUT buttons This is also how you will approximately focus the telescope wh...

Страница 4: ...e drop of 1 F might require a focus position shift of 25 counts Therefore if the temperature drops by 2 degrees the focuser would move 50 counts to keep the telescope in focus The focuser must learn the exact focus shift required for a given telescope and configuration so adding a focal reducer for example would require the focuser to be recalibrated To activate the Learning mode press and hold th...

Страница 5: ...n of the motor Reset Position The default position of the digital readout is 30000 The range of focus is 0 60000 If the focuser is moved to either end of this range press MODE until Reset Position appears Press and hold the SET button until the display blinks and resets The position has now been reset to 30000 If a different default position is desired it is possible to program this using the Micr...

Страница 6: ...he directions given to install the FocusMax software The program will be located in the Windows Start Menu under All Programs FocusMax Installing the MicroTouch Hardware Drivers Connect the included USB cable to the hand control then to the computer The Found New Hardware Wizard should appear Select the automatic install routine The wizard should find the included drivers and successfully install ...

Страница 7: ...roTouch temperature sensor may not be exactly the same as the actual ambient temperature due to heat given off by the electronics in the autofocuser Note that for the temperature compensation feature only the difference in temperature not the actual temperature is the only factor However if you wish the displayed temperature to be correct you can enter the known ambient temperature in this box and...

Страница 8: ...range is needed for focusing eyepieces visually or for a focuser with a greater range of travel Any value from 1 10 can be selected Set Motor Speed There are two choices for motor speed Normal and High Normal speed turns the motor gear about once every 1 second High speed doubles the rate of revolution High speed allows large focus changes in less time but it produces less torque so heavier loads ...

Страница 9: ...000 Select the desired position and press GOTO to move the focuser to that position Any value from 0 60000 can be selected Pressing Reset to Target Position changes the displayed count to the Target Position For example The default focus position when the MicroTouch is turned on is 30000 If after manually focusing the telescope using the IN OUT buttons the position reads 15000 you can enter 30000 ...

Страница 10: ...00 the stored position can be selected from the drop down menu and the focus position of the filtered camera selected Note that offset positions such as this will only be approximate as temperature changes may affect actual focus differences Offset focus positions are still helpful for getting the telescope close to focus before running the autofocus routine The Halt button can be used to stop the...

Страница 11: ... useful feature for users taking sequences of images is to only adjust focus between exposures To do this select Snapshot to store the current temperature and position information After an exposure has finished select Compensate Immediate and the focuser will move to the correct new position based on the new temperature At the bottom of the Movement screen is a strip chart showing temperature tren...

Страница 12: ...ller Motor Controller and Temperature Sensor status windows will display OK The windows for Number of Corrupted Packets and Number of Comm Timeouts displays the history of the communication status between the hand control and wireless receiver Version numbers of the hand controller and motor controller firmware are displayed See above for details on upgrading firmware ...

Отзывы: