Turns the pointing corrections for Aberration OFF/ON.

Sets the security level for keyboard access to PC-TCS (password = ssssssss for desired level of access.)

Processes the orbit for the Asteroid catalog number “nnnn” and puts the coordinates into the NEXT position registers of PC-TCS. In addtion, the rate of motion of the asteroid is automatically computed and implemented so that if tracking is active PC-TCS will immediately begin tracking at the asteroid’s rate of motion. This command should be followed by a MOVENEXT command to move the telescope to the asteroid’s position on the sky.

Turns TCS automatic dome motion control OFF/ON

Sets the declination axis “bias rate” in nnnn.nnn arcseconds per second. The rate will not become active unless a BIASON command is given or a previous non-zero rate is already active.

Turns any active bias rates OFF/ON.

Sets the declination axis “bias rate” in nnnn.nnn arcseconds per second. The rate will not become active unless a BIASON command is given or a previous non-zero rate is already active.

Triggers Apogee Instruments CCD shutter (Requires Optional focus control interface hardware).

Stops a slew in progress with full ramp down.

Turns the correction for cosine declination in the bias rate OFF/ON.

Turns the correction for cosine declination in the paddle drift rate OFF/ON.

Turns the correction for cosine declination in the paddle guide rate OFF/ON.

Turns the correction for cosine declination in the wobble vector OFF/ON.

Resets the difference fields on the PC-TCS Runtime display to zero.

Restarts the command file currently suspended by WAITREM command.

Processes the orbit for the comet catalog number “nnnn” and puts the coordinates into the NEXT position registers of PC-TCS. In addtion, the rate of motion of the comet is automatically computed and implemented so that if tracking is active PC-TCS will immediately begin tracking at the asteroid’s rate of motion. This command should be followed by a MOVENEXT command to move the telescope to the comet’s position on the sky.

Loads the script file “filename” into PC-TCS memory for processing. Processing of script commands begins after the COMFILEON command. (filename should not contain the “.TCS” extension.)

If “OFF” - suspends processing of the script file previously loaded with the COMFILELOAD command and activated by the COMFILE ON command

Synchronizes the telescope by forcing the current position to become the same as the commanded position.

Copies the current position into the Reference registers of PC-TCS.

Changes the Stow position of the Telescope to be the current position of the telescope.

Changes the display epoch to be “nnnn.nnn” where “nnnn.nnn” is the date epressed as a decimal year. A value of 0.0 will force the display epoch to be equal to the current date.

Opens or closes the dome.

Declares the current position of the dome to be the stow position. This position is used by the STOWDOME command.

Set the paddle declination Drift rate to be nnnn.nnn arc seconds per second. A negative value has the effect of reversing the sense of the buttons.

Set the paddle Right Ascension Drift rate to be nnnn.nnn arc seconds per second. A negative value has the effect of reversing the sense of the buttons.

Moves to the Elevation and Azimuth specifed by ee.ee and ± aaa.aa degrees respectively.

Changes the input coordinate epoch to be “nnnn.nnn” where “nnnn.nnn” is the date epressed as a decimal year. A value of 0.0 will force the input epoch to be equal to the current date. The input epoch is used to precess an entered coordinate to true of date coordinates.

Sets the source input mode to PCF catalog mode using the PCF file specified by “filename.” (“filename” should not contain the “.PCF” extension.)

Sets the source input mode to USER catalog mode using the USER file specified by “filename.” (“filename” should not contain the “.CAT” extension.)

Turns the correction for flexure OFF/ON when processing new input coordinates.

Turns the correction rates for flexure OFF/ON.

Moves the focus motor “nnnn” steps.

Set the paddle Declination Guide rate to be nnnn.nnn arc seconds per second. A negative value has the effect of reversing the sense of the buttons.

Set the paddle Right Ascension Guide rate to be nnnn.nnn arc seconds per second. A negative value has the effect of reversing the sense of the buttons.

Computes the current positon of the planet Jupiter and stores the coordinates in the NEXT position registers of PC-TCS. The command also immediately invokes the tracking rate corrections for this planet. A MOVENEXT command is required to move to this computed position.

Disables the PC-TCS drive system. This command acts like an “Emergency Stop” command and should be used only in the most severe of circumstances.

Enables limit detection and processing in PC-TCS.

Disables PC-TCS limit detection and processing.

Invokes the lunar rate corrections in RA and DEC.

Sets the Source Mode of PC-TCS to Manual - (keyboard like) where RA and DECs must be individually specified rather than retrieved from a file. This mode command must be given before a NEXTRA and NEXTDEC command can be executed.

Computes the current positon of the planet Mercury and stores the coordinates in the NEXT position registers of PC-TCS. The command also immediately invokes the tracking rate corrections for this planet. A MOVENEXT command is required to move to this computed position.

Computes the current positon of the planet Mercury and stores the coordinates in the NEXT position registers of PC-TCS. The command also immediately invokes the tracking rate corrections for this planet. A MOVENEXT command is required to move to this computed position.

Opens or closes the mirror covers.

Computes the current positon of the Moon and stores the coordinates in the NEXT position registers of PC-TCS. The command also immediately invokes the tracking rate corrections for this object. A MOVENEXT command is required to move to this computed position.

Moves to the current positon plus the value of the Wobble Vector.

Moves to the current positon minus the value of the Wobble Vector.

Moves Dome to the azimuth aaa.aa.

Moves to the position stored in the NEXT Registers of PC-TCS.

Moves to the current position plus the value of the Offset Vector.

Moves to the positon specified in the Reference Register of PC-TCS.

Moves to the current Stow position of the telescope. This Command also disables tracking.

Computes the current positon of the planet Neptune and stores the coordinates in the NEXT position registers of PC-TCS. The command also immediately invokes the tracking rate corrections for this planet. A MOVENEXT command is required to move to this computed position.

Sets the Next Declination Register in PC-TCS to the value “ddmmss.s” where dd = degrees, mm= minutes, and ss.s= seconds. The MANUAL command should be executed before this command is given.

Automatically increments the object file pointer when using the FILEPERM, or FILEUSER modes to the next object in the catalog.

Sets the Next Right Ascension Register in PC-TCS to the value “hhmmss.s” where hh = hours, mm= minutes, and ss.s= seconds. The MANUAL command should be executed before this command is given.

A “No Operation” Command - does nothing. Used as a place holder in script files and to test communications in Remote operations.

Turns the pointing corrections for nutation OFF./ON.

Retrieves and processes the coordinates in record number “nnnnn” in the catalog file selected using the FILEPERM or the FILEUSER modes. The processed coordinates are then stored in the NEXT registers of PC-TCS. A MOVENEXT command will then move the telescope to these coordinates.

Disables (turns off) the object rates automatically invoked when an asteroid, comet, sun, moon, or planet position is computed.

Sets the Declination component of the Offset Vector to “ddmmss.ss” where dd= degrees, mm= minutes, and ss.ss= seconds.

Sets the Right Ascension component of the Offset Vector to “hhmmss.ss” where hh= hours, mm= minutes, and ss.ss= seconds.

Reads an processes the orbital information in the “Quick Orbit” file in the file name “filename.” The computed position is stored in the NEXT registers of PC-TCS for later MOVENEXT command. The rate corrections for the motion of the object is also immediately invoked. (Filename should NOT contain the “.QOR” extension).

Turns the pointing corrections for parallax OFF/ON.

Computes the current positon of the planet Pluto and stores the coordinates in the NEXT position registers of PC-TCS. The command also immediately invokes the tracking rate corrections for this planet. A MOVENEXT command is required to move to this computed position.

Turns the pointing corrections for precession OFF/ON.

Turns the pointing corrections for proper motion OFF/ON.

Guide command to move (not a rate) the telescope in RA and Dec. The first argument is RA and the second is Dec. The units are in arc-seconds.

Invokes the Raster Scan utility with Right Ascension step size of rr.r arcseconds, declination step size of dd.d arcseconds, for RR step in Right Ascension, DD steps in Declination, with a dwell time of tt.t seconds. The “key” parameter is used to decide the input which the Raster Scan will terminate. Zero (0) will perform the full raster scan with no interruption capability, one (1) will terminate the scan if the TTL S1 input is high, two (2) will terminate the scan if the TTL S2 input is high, three (3) will terminate the scan if the TTL S3 input is high, four (4) will terminate the scan if the TTL S4 input is high, five (5) will terminate the scan if a keyboard character input is detected.

Recalls the saved position (see SAVEPOS command) and copies the coordinates to the NEXT registers of PC-TCS. The telescope can be moved to this position using the MOVENEXT command.

Turns the pointing corrections for refraction OFF/ON.

Turns the rate corrections for refraction OFF/ON.

Turns serial checksumming OFF/ON.

Computes the current positon of the planet Saturn and stores the coordinates in the NEXT position registers of PC-TCS. The command also immediately invokes the tracking rate corrections for this planet. A MOVENEXT command is required to move to this computed position.

Saves the current position to the Save register number “nnn”. Use the RECALLPOS command to retrieve the value.

Sets the UT date of PC-TCS to “mm/dd/yyyy” where mm= month, dd= day, yyyy= year.

Sets the PC-TCS system UT time to “hhmmss.ss” where hh= hours, mm= minutes, ss.ss= seconds.

Turns OFF/ON the slew capability of PC-TCS (speed limited to @ 1/5 degree per second).

Invokes the solar rate corrections in RA and DEC.

Invokes the Spiral Scan utility with Right Ascension and Declination step size of ss.s arcseconds, for LL loops, with a dwell time of tt.t seconds. The “key” parameter is used to decide the input which the Raster Scan will terminate. Zero (0) will perform the full raster scan with no interruption capability, one (1) will terminate the scan if the TTL S1 input is high, two (2) will terminate the scan if the TTL S2 input is high, three (3) will terminate the scan if the TTL S3 input is high, four (4) will terminate the scan if the TTL S4 input is high, five (5) will terminate the scan if a keyboard character input is detected.

Moves the telescope in declination “nnnnnn” steps (or encoder counts). This command provides guiding capabilities for smart peripherals.

Moves the telescope in right ascension “nnnnnn” steps (or encoder counts). This command provides guiding capabilities for smart peripherals.

Moves the dome to the Stow position as specified in the PFEDIT program. Note: the stow position is the position the dome is at when TCS is started or the position the dome is at when the Declare-Dome Stow menu item is activated or the DOMEINIT command is given.

Computes the current positon of the Sun and stores the coordinates in the NEXT position registers of PC-TCS. The command also immediately invokes the tracking rate corrections for this object. A MOVENEXT command is required to move to this computed position.

Turns OFF/ON sidereal tracking and correction rates.

Turns OFF/ON the deconvolution for Aberration on the RA and DEC display

Turns OFF/ON the deconvolution for Flexure on the RA and DEC display

Enables PC-TCS drive capabilities. (Used after a previous KILL command).

Turns OFF/ON the deconvolution for Refraction on the RA and DEC display

Computes the current positon of the planet Uranus and stores the coordinates in the NEXT position registers of PC-TCS. The command also immediately invokes the tracking rate corrections for this planet. A MOVENEXT command is required to move to this computed position.

Computes the current positon of the planet Venus and stores the coordinates in the NEXT position registers of PC-TCS. The command also immediately invokes the tracking rate corrections for this planet. A MOVENEXT command is required to move to this computed position.

Sets the Declination component of the Wobble Vector to “ddmmss.ss” where dd= degrees, mm= minutes, and ss.ss= seconds.

Turns OFF/ON the hardware remote wobble capability of PC-TCS.

Sets the Right Ascension component of the Wobble Vector to “hhmmss.ss” where hh= hours, mm= minutes, and ss.ss= seconds.