‰  NOW 25 WPM  ‰  TEXT IS FROM APRIL 2018  QST  PAGE 42 ‰

CONNECTOR, A BOOTLOADER ENABLE/DISABLE SWITCH, AND A DB 9 JACK WITH SEVEN
OPEN COLLECTOR OUTPUTS FOR CONTROL OF EXTERNAL EQUIPMENT.  THERE ARE PHONO
JACKS FOR PUSH TO TALK PTT INPUT AND AMPLIFIER KEYING.  OTHER PHONO JACKS
HANDLE LEFT/RIGHT LINE LEVEL AUDIO INPUT AND OUTPUT.  THERE ARE JACKS FOR
THE MICROPHONE, KEY, AND HEADPHONES ON BOTH THE FRONT 1/4 INCH AND REAR 1/8
INCH, SO YOU CAN HIDE THE WIRES IN THE BACK OR CONVENIENTLY PLUG THEM IN
THE FRONT.  SOFTWARE CONTROL OF THE MICROPHONE JACKS ALLOWS ASSIGNMENT OF
TIP OR RING CONNECTIONS TO EITHER AUDIO OR PTT, AND PTT CAN BE ENABLED OR
DISABLED.  BIAS VOLTAGE ON THE AUDIO TERMINAL CAN BE ENABLED FOR CONDENSER
ELECTRET MICROPHONES OR DISABLED FOR DYNAMIC MICROPHONES.  THERE ARE TWO
1/4 INCH STEREO PHONE JACKS LEFT AND RIGHT ON THE BACK FOR NON POWERED
SPEAKERS, WHICH ARE WIRED FROM TIP TO RING AND NOT TO THE GROUNDED SLEEVE.
I FOUND THE AUDIO OUTPUT SO PLENTIFUL THAT I MODIFIED MY SPEAKER WITH A
‰  END OF 25 WPM TEXT  ‰  QST DE W1AW  ƒ