>>>  RWS Guntuning and Control System  <<<

      The GTCS system is designed to handle from 1 to 4 air or waterguns
and optionally 1 farfield hydrophone. The system offers the following
capabilities:

           1. Reception of sync
           2. Continous monitoring of all channels
           3. Setting of delays and gains
           4. Automatic tuning facilities
           5. Detection of firing times
           6. Transmission of firing times and signature
           7. Logging to disk
           8. Testing of tuning and transmission
           9. Various scaling facilities
          10. Zooming
          11. Utilities

      The system is controlled by function keys. The menus appear at
lower par of the screen. At system startup an initiation menu will
appear.
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      For all commands which may be set or unset the setting is indicated
by a star after the command currently beeing active. For the zoom command
the main menu will display ZOOM or UNZM depending on previous setting -
the command field displaying next possible command action.
In this information file the default values at startup will be indicated
by (def) at the end of the explanation field.

      A few command actions are not displayed on the scrren. The following
applies:
             PgUp:  -  Increment level number by 1
             PgDn:  -  Decrement level number by 1
             End :  -  Reset level number to 1
             (Use the SetLev command under Utility to set the
              level number to an arbitrary value)

       <crtl>PgUp:  -  Increment shot number by 1
       <ctrl>PgDn:  -  Decrement shot number by 1
       <ctrl>End :  -  Reset shot number to 0  (will be increased to 1
                                                by consequtive shot)
             (Use the SetShot command under Utility to set the
              shot number to an arbitrary value)

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Parameter files:

          The following parameters will be saved/restored from the
          parameter file:

               1. Number of samples for guns and FFhyd
               2. Number of guns
               3. Number of FFhyd
               4. FFhyd display offset in no. of samples
               5. Start of trigger window for guns
               6. End of trigger window for guns
               7. Start of trigger window for FFhyd
               8. End of trigger window for FFhyd
               9. Type of scaling
              10. Delay preset for these guns (2.)
              11. Gains for these channels (2.& 3.)
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Log files:

      The log file contains information about the survey , the source
combination used and some other "gpp" information.
If any of the commands

                      * PrinLog
                      * Logf-name
                      * Reset-file
                  under the Utility  -  LogUtility sub-sub command

are used the operator will be asked if a floppy disk file copy of the
present logfile is desired.
Be sure to insert a formatted floppy disk in the floppy disk drive if
so is desired. The name of the file saved on floppy disk will be the same
as the name given to the logfile.

   NB!   The current logfile on the hard-disk will otherwise be lost
         due to the above commands.

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Opening menu

       1. Survey Name    : Name of Log file                 (XXXXXX)
       2. No. of samples : Number of samples to be recorded (1-256)
       3. No. of guns    : Number of gun channels           (1-4)
       4. No. of FFH     : Number of farfield channels      (0-1)
       5. Far field offs.: Offset in display of FFhyd
       6. Trig start gun : Start of search for firing time
       7. Trig stop  gun : Stop  of search for firing time
       8. Trig start hyd : Start of search for arrival time FFhyd
       9. Trig stop  hyd : Stop  of search for arrival time FFhyd
      10. Scaling        : Type of scaling
                             1) No Scaling
                             2) Relative scaling of all channels
                             3) Uniform scaling of all channels
      11. Tuning         : Type of tuning
                             1) Automatic
                             2) Manual
      12. Get parameter from file (survey independent parameters)
      13. Store parameter to file ( -------- " -----------------)
      14. Continue
      15. Return to MsDos
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Menu structure

      F1: Init    -  Initiate operation  - set system in receiver mode
      F2: Del     -  Set delays for different channels

                  *  F1:  Set-1   - Set delay for channel no. 1
      #submenus   *  F2:  Set-2   -  "    "    "     "     "  2
                  *  F3:  Set-3   -  "    "    "     "     "  3
                  *  F4:  Set-4   -  "    "    "     "     "  4
                  *  F5:  Offset  - Offset in firing of arbitrary gun
                  *  F6:  Auto    - Automaic tuning mode
                  *  F7:  Man     - Manual tuning mode
                  *  F10: Quit    - Quit this submenu

      F3: Dect    -  Set fire time detection method

                  *  F1:  Trg-max - Trig on maximum value within window
                  *  F2:  Trg-lev - Trig on signal above level
                  *  F3:  Trgw-gu - Trig window guns
      #submenus   *  F4:  Trgw-hy - Trig window FFhyd
                  *  F5:  Disabl  - Disabel arbitrary channel
                  *  F4:  Enabl   - Enable arbitrary channel
                  *  F10: Quit    - Quit this submenu

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      F4: Zoom    -  Set system in zoom/unzoom mode

                  *  F1:  Activat - Activate zoom/unzoom
                  *  F2:  ZoomwLo - Zoom window start
      #submenus   *  F3:  ZoomwHi - Zoom window end
                  *  F4:  FF-zoom - FFhyd zoom window offset
                  *  F10: Quit    - Quit this submenu








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      F5: Util    -  Utility commands

                  *  F1:  UpTime  - Update time
                  *  F2:  UpDate  - Update date
                  *  F3:  LogUtil - Logging utilities

                                 ** F1:  PrintLog  -  Print log to LP
                                 ** F2:  LogfName  -  Set new logfile name
                  ##sub-sub-men  ** F3:  ResetFile -  Clear logfile to start
                                 ** F4:  Transch   -  Select chno for transmit
                                 ** F5:  HardCop   -  Set system in harcopy mod
                                 ** F10: Quit      -  Quit this sub-sub-menu

                  *  F4:  Stat    - Type present system status
                  *  F5:  SetLev  - Set level number to arbitrary value
                  *  F6:  SetShot - Set shot number to arbitrary value
                  *  F10: Quit    - Quit this submenu
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      F6: Scal    -  Set different scaling types

                  *  F1:  NoScal  - No scaling applied
                  *  F2:  Uniform - Uniform scaling
                  *  F3:  Relativ - Relative scaling
                  *  F4:  Gains

                                 ** F1:  Gain-1    -  Set gain chn 1
                                 ** F2:   "  -2    -   "   "    "  2
                  ##sub-sub men  ** F3:   "  -3    -   "   "    "  3
                                 ** F4:   "  -4    -   "   "    "  4
                                 ** F5:   "  -5    -   "   "    "  5
                                 ** F10: Quit      -  Quit this sub-sub-menu

                  *  F10: Quit    - Quit this sub-menu
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      F7:  Test   -  Testing and tuning - offline

                  *  F1:  Fire       - Fire one shot
                  *  F2:  Seq        - Set a sequence of shots
      #submenus   *  F3:  L-on       - Set disk logging on for test
                  *  F4:  L-off      - Set disk logging off for test (def)
                  *  F5:  T-on       - Set transmission on for test
                  *  F6:  T-off      - Set transmission off for test (def)
                  *  F7:  Break      - Halt test sequence of shots
                  *  F10: Quit       - Quit this sub-sub-menu

      F8:  Halt   -  Halt operation / No sync to be received

      F10: Stop program

      #submenus   *  F9:  Return to opening menu
                  *  F10: Return to MsDos

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