here's what the program display looks like...

+------ Servo Scope Control Program compiled Oct 27, 2001 by Mel Bartels ------+
¦File       Handpad    EC         Init       Coord      Move       Reset       ¦
+------------------------------------------------------------------------------¦
¦Quit           DataFile2       ScrollTour     Hotkeys         TestSerial      ¦
¦Site           DataFile3       InputComment   ReadSlew        Screen          ¦
¦SaveCfg        DataFile4       DOSShell       WriteSlew                       ¦
¦DataFile       ClosestGT       Guide.bat      LX200                           ¦
¦-> quit the program                                                           ¦
+------------------------------------------------------------------------------¦
¦File                           Object                                         ¦
¦SidT  21:43:18  CurrentT 11/21 18:38:50   Init 2 GEMFlip Off E->W  Guide 100  ¦
¦Handpad s        Guide               DUon        AirMass  1.1    DomeAZ  82   ¦
¦   Current      Target     Input        Drift    Encoders    Refract  FieldRot¦
¦Alt  68.390     68.390     64.175      0.000/m                  0     A283.049¦
¦Az   82.210     82.210     82.135      0.000/m                        R-0.057m¦
¦Ra   23:42:58   23:42:58    0:04:23    0:00:00/h                      M       ¦
¦Dec +42:58:48  +42:58:48  +41:55:32  + 0:00:00/h                      G283.050¦
¦PEC                           AZEC       AAEC       ZZEC       PMC            ¦
¦LX200 LX200 commands off                                                      ¦
+------------------------------------------------------------------------------¦
¦motor   cmd        state    track error targtvel position a/d l1 l2 in po so  ¦
¦AltDec  Vel        MvFinish 1     -0.1"     6926   303481   3  0  1  0  1  1  ¦
¦AziRA   Vel        MvFinish 1     -0.1"     4319     5375   1  1  1  0  1  1  ¦
¦FldRot  not in use                                                            ¦
¦Focus   not in use                                                            ¦

Use the cursor keys to select a menu item.  Left-Right cursor keys select the main menu category and Up-Down cursor keys select the submenu item.  Just under the menu selections, a more detailed description of the menu item's action is displayed.
The "Current" coordinates display where the telescope is currently pointing.
The "Target" coordinates display where the telescope is heading.
The "Input" coordinates display user input coordinates.
The "Drift" coordinates show the current drift rate in each axis.
Encoder coordinates are displayed in degrees and in raw counts.
The "FieldRot" or field rotation shows one value if field rotation motor disabled, otherwise shows four values.  The upper value is the current field rotation angle.  The second value down is the rate of field rotation in degrees per minute.  The next value down is the angle of the field rotation motor. The final angle displayed under this line is the guide buttons rotation angle.
The "File" area indicates which data file, or external program or device, has sent coordinates to the program.
If the coordinates have been reset because the encoder reset threshold values in the config.dat file have been exceeded, the "File" field will display a message stating the scope motion immediately preceeding the reset (enc.res.slew = encoder reset after slew, enc.res.on = encoder reset after tracking on, enc.res.off = encoder reset after tracking off), and a running count of the encoder resets for that particular scope motion.
The "Object" area shows which object from the data file has been loaded into the input coordinates.
The "Init" field shows how many initializations have been done so far.
The "GEMFlip" indicates if a german equatorial mount has been flipped across the meridian (not flipped position is east of pier facing the westward, and flipped position is west of pier facing eastward).
The "Guide" field displays the current guiding speed in arcseconds per second.
The "Handpad" field shows what handpad mode the program is currently in, and if that mode is active (for instance, if the mode is set to focus, and control of the focus motor is activated by the mode switch, then an 'on' will appear), if handpaddle auto-drift-update is on or off (DUon or DUoff), if guiding corrections saved to a file are finished then a "Fn" will appear, and further to the right, which buttons are being pressed and the switches' positions.  C=clockwise button pushed, W=counterclockwise button pushed, U=up button pushed, D=down button pushed, s=speed switch in slow speed position,F=speed switch in fast speed position, L=mode switch in left position, R=mode switch in right position, x = up, down buttons reversed. 
The "AirMass" field shows the airmass number, or number of atmospheres that the telescope is aimed through.
The "DomeAzimuth" field shows the angle of the dome rotation in degrees.
The "PEC" area, if PEC is on, shows the altitude and azimuth indexes and correction values in tenths of an arcsecond, respectively.  In addition, if the auto-sync of altitude PEC or azimuth PEC is enabled, the PEC index at synch point is shown, and if an error, the PEC display is highlighted with the current selection color.
The "AZEC" shows the altitude vs azimuth error corrections in arcminutes.
The "AAEC" shows the altitude vs altitude error corrections in arcminutes.
The "ZZEC" shows the azimuth vs azimuth error corrections in arcminutes.
The "PMC" shows the pointing model error corrections for altitude and azimuth in arcminutes.
The motor status display area shows the motor, the current motor command, the current motor movement state, the track error in arcseconds (because the computer uses a timer accurate to 55 milliseconds, this value will have a jitter equal to the position change over this time period [ie, at sidereal tracking rate, a jitter of +-0.4"]), the target velocity in PIC Servo counts per tick * 2^16, position, a/d value (boards sold by Gary Myers of RxDesignonline.com are setup so that an a/d value of 255 =2.5 amps), limit1 switch, limit2 switch, index switch, position overrun, servo overrun.

If the menu option to display LX200 is turned on, then the LX200 field will show the history of commands received with an '*' by the last command, and, the next line down will display the raw characters as received from the external device ouputting the lx200 protocol serial data.

Supported commands are displayed in abbreviated form on the LX200 line in scope.exe if the display LX200 is turned on as follows:
NA = no acknowledge yet received
AK = acknowledge received (indicates that external controlling program has queried for existence of lx200 device)
AA = align altaz
AL = align land (turns off tracking)
AP = align polar
B+ B- B0 B1 B2 B3 = reticle brightness commands (ignored)
F+ = focus out
F- = focus in
FQ = focus quit
FF = focus fast
FS = focus slow
GR Gr = get right ascension
GD Gd = get declination
GA = get altitude
GZ = get azimuth
GS = get sidereal time
GL = get local time (24 hr format)
Ga = get local time (24 hr format )
GC = get current date
Gc = get clock status
Gt = get latitude
Gg = get longitude
GG = get timezone
GF, GVF = get field (returns 100)
Gq = get minimum quality of the find operation
GM GN GO GP get site info ("SCP" returned)
LI =return object info (ignored)
Lo = load object catalog from library (ignored)
Ls = load star catalog from library (ignored)
Mn = move north
Ms = move south
Me = move east
Mw = move west
MS = start slew
Q = stop slew
Qn = end motion north
Qs = end motion south
Qe = end motion east
Qw = end motion west
RG = set motion rate to guide speed
RC = set motion rate to centering speed
RM = set motion rate to find speed
RS = set motion rate to slew
Sr = set right ascension
Sd = set declination
Sb = set brighter magnitude limit for find operation (value ignored)
Sf = set fainter magnitude limit for find operation (value ignored)
SF = sets field (value ignored)
Sh = set current higher limit (value ignored)
SS = set sidereal time
SL = set local time
SC = set current date
St = set latitude (ignored)
Sg = set longitude (ignored)
SG = set GMT offset (ignored)
SM SN SO SP = set site number (ignored)
Sq = set minimum quality of the find operation
Sy GPDCO = sets the ‘type' string for the FIND operation (ignored)
Sl = sets the larger size limit for the FIND operation (value ignored) 
Ss = sets the smaller size limit for the FIND operation (value ignored)
Sw = ???
CM = synchronize scope
TQ = time quartz (ignored)
U = toggle long format (coordinates)
I1 I2 I3 = initialize 1, initialize 2, or initialize 3 (these are new customized commands)
Un = unfinished command (no ending '#')
U0 = unknown command: first character uninterpretable
U1 = unknown command: second character uninterpretable
U2 = unknown command: third character uninterpretable
W1 through W4 = set site number (ignored)
Ig = ignored command

commands starting with X are customized:
XGG = get GuideArcsecSec
XGM = get MsArcsecSec
XHa through XHz = set handpad mode 0 to 26 respectively
XHL = simulate handpad left mode key
XHR = simulate handpad right mode key
XI1 through XI3 = initialize point 1 through 3 using already sent equatorial coordinates
XSG = set GuideArcsecSec
XSM = set MsArcsecSec
XX = clear LX200 display area

Shortcut keys:

'`' (the left apostrophe key in the upper left of most keyboards) selects the menu item 'Guide.bat'
'1' selects 'move to equat'
'2' selects 'track on/off'
'3' saves current equatorial coordinates
'4' retrieve saved equatorial coordinates into the input fields
'5' saves current #2 equatorial coordinates
'6' retrieves saved #2 equatorial coordinates into the input fields
'7' read slew file from Guide6
'8' write slew file to Guide6
'9' input altaz
'0' reset to input altaz
'a' adds in the altitude offset to all initialization altitudes, adds in the altitude offset to the current altitude, and re-initializes
'b' begins an already loaded scroll file, and once started, 'l' continues onto the next scroll action, simulating a leftkey press of the handpaddle
'c' displays PEC graphically
'd' selects 'data file' menu item
'e' averages PEC analysis files and displays results graphically for the altitude axis
'f' averages PEC analysis files and displays results graphically for the azimuth axis
'g' selects menu item 'Guide.bat' (which calls Wguide.exe, passing it the current scope coordinates, the DOS 32 bit version of Guide)
'h' selects menu item hand paddle, toggling through handpad modes
'H' selects a hand paddle mode from a selection palette
'i' displays the initializations
'k' kills the inits
'l' reloads pec.dat file (when scrollfile is underway, 'l' simulates the handpad's leftkey press)
'n' slews to input altazimuth coordinates
'p' selects PEC
'q' quits the program
'r' resets to input equat coord
's' selects scroll file
't' toggles tracking on/off
'u' altitude axis: graphically displays guiding efforts with respect to pec - gives options to save and update pec
'v' azimuth axis: graphically displays guiding efforts with respect to pec - gives options to save and update pec
'y' zeroes out the altitude pec array (does not save PEC.DAT)
'z' zeroes out the azimuth pec array (does not save PEC.DAT)
F1-F4 moves the scope in slow speed, F1 up, F2 down, F3 CCW, F4 CW
F5-F8 moves the scope in slow speed, F5 up, F6 down, F7 CCW, F8 CW