‰  NOW 35 WPM  ‰  TEXT IS FROM SEPTEMBER 2017 QST  PAGE 49‰

ENCLOSURE.  THE PC BOARD IS SCREWED INTO THE BACK PANEL AND FOUR SIDE
PIECES PLUG INTO SLOTS IN THE BACK PANEL WITH RECTANGULAR PLASTIC TABS
KEEPING THEM IN PLACE.  THEN THE FRONT PANEL IS PLACED OVER THE ASSEMBLY,
AGAIN HELD IN POSITION WITH RECTANGULAR TABS.  FINALLY, LOCK EVERYTHING
TOGETHER, FOUR SCREWS RUN FROM THE FRONT PANEL TO THE BACK.  NO NUTS ARE
USED THE SCREWS ACT AS SELF TAPPING INTO THE BACK PANEL.  ITS PROBABLY
WORTH THE PRICE OF THE KIT JUST TO BE ABLE TO SEE HOW THIS CASE GOES
TOGETHER.  HOW IT WORKS  THE FULLY ASSEMBLED UNIT HAS THE POWER SOCKET ON
THE LEFT AND TWO SCREW OUTPUT TERMINALS PLUS A GROUND TERMINAL ON THE
RIGHT.  A STANDARD COAXIAL POWER CONNECTOR, WITH AN OUTSIDE DIAMETER OF
APPROXIMATELY 0R22 INCHES, FITS THE POWER SOCKET.  ON THE LEFT CENTER OF
THE BOARD IN FIGURE 6, YOU CAN SEE THE FOUR TIMING CAPACITORS TO THE LEFT
OF THE IC AND A SET OF PINS USED TO SELECT THE FREQUENCY RANGE.  THE JUMPER
IN THE PHOTO IS AT THE 10 100 HZ POSITION LABELS ARE ON THE FRONT PANEL.
THIS JUMPER IS SIMILAR TO THOSE USED TO SET SELECTIONS ON PC MOTHERBOARDS
YEARS AGO, BUT IT HAS A LONGER TOP, SO YOU CAN PICK IT UP EASILY.  ON THE
RIGHT IS A SCREW TERMINAL STRIP WITH ONE GROUND CONNECTION, A SECOND
TERMINAL FOR THE SQUARE WAVE OUTPUT, AND THIRD FOR BOTH THE TRIANGLE AND
SINE OUTPUTS.  SELECTION OF EITHER A TRIANGLE OR SINE OUTPUT IS MADE WITH A
‰  END OF 35 WPM TEXT  ‰  QST DE W1AW  ƒ