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YACK Operation Manual

Version MY181210

It is highly recommended

 to perform the 0 - LOCK command after you have made your setting preferences to 

avoid accidentally changing them. Locking will prevent commands 1, 2, A, B, D, F, I, K, L, R, S, & X, from 
being changed until the 0 – UNLOCK command is given.

COMMANDS - BASIC

H - PLAY 1

 The stored message 1 is played back. A press of the command key immediately returns the keyer 

to keyer mode so a QSO can be started.

5 - PLAY 2

 The stored message 2 is played back. A press of the command key immediately returns the keyer to

keyer mode so a QSO can be started.

1 - RECORD 1 

Record to internal message 1. The keyer immediately responds with "1" after which a message 

up to 100 characters can be keyed at current WPM speed. After 5 seconds of inactivity the message is played 
back once and then stored in EEPROM. Choosing "1" but not keying a new message deletes the chosen 
message buffer content.

2

 - RECORD 2 

Record to internal message 2. The keyer immediately responds with "2" after which a message 

up to 100 characters can be keyed at current WPM speed. After 5 seconds of inactivity the message is played 
back once and then stored in EEPROM. Choosing "2" but not keying a new message deletes the chosen 
message buffer content.

G

 - QRS -5WPM

 “Go Slower” Temporarily slows the keyer down by 5WPM.  Resume current speed by 

issuing the Reset button or Power cycling the device.

Q

 - QRQ +5WPM

 Temporarily speeds the keyer up by 5WPM. Resume current speed by issuing the Reset 

button or Power cycling the device.

W QUERY SPEED

 The keyer responds with the current WPM speed.

P PITCH 

Allows modifying the side-tone pitch to a higher or lower level. A sequence of dits will be played 

and the pitch can be modified with the dit and dah paddles. If no paddle is touched for 5 seconds, OK is 
sounded and the mode terminates, leaving the user in command mode.

U TUNE 

The transceiver is keyed for a duration of 20 seconds for tuning purposes. Tuning mode is aborted 

once either DIT or DAH paddles are touched or the control key is pressed.

COMMANDS - KEYER

A - IAMBIC A MODE

 Sets IAMBIC A as permanent keying mode.

B - IAMBIC B MODE

 Sets IAMBIC B as permanent keying mode.

D - DAH PRIORITY

 In squeezed state a sequence of DAHs is sent. Some of the first generation keyers 

exhibited this behavior so the chip can simulate that.

Содержание Mini Yack IIc

Страница 1: ...mper on the back of the unit to disable power during shipping or long term storage Use a pair of tweezers or surgical clam to move the jumper to the ON position To replace batteries remove the 4 screws on the bottom of the unit Insert 2 AA batteries observing the polarity as shown on the battery holder Replace the panel and 4 screws on the bottom OPERATION Plug your straight or Iambic key into the...

Страница 2: ......

Страница 3: ...ttons COMMAND Enters command mode See below for command mode settings Play 1 Play back the contents of memory 1 Play 2 play back the contents of memory 2 Reset internal button Equivalent to powering the unit off and on Use reset to help restore settings to factory default See Hardware Reset below Speed Change Speed can be changed by pressing and holding the COMMAND button while operating the DIT a...

Страница 4: ... current WPM speed After 5 seconds of inactivity the message is played back once and then stored in EEPROM Choosing 2 but not keying a new message deletes the chosen message buffer content G QRS 5WPM Go Slower Temporarily slows the keyer down by 5WPM Resume current speed by issuing the Reset button or Power cycling the device Q QRQ 5WPM Temporarily speeds the keyer up by 5WPM Resume current speed ...

Страница 5: ...e iambic key If it is repeated correctly R is played and the next call sign is given If a mistake was sensed the error pro sign 8 dots is sounded and the current call sign is repeated again for the user to try once more If nothing is keyed for 10 seconds the keyer returns to command mode Z ADVANCED TRAINER Similar to the training mode above except on each successful entry the speed is increased by...

Страница 6: ...o factory defaults with the following sequence 1 Power off the unit 2 Hold the command button down and then power on the unit 3 Push and release the reset button 4 Release the command button Memories will still be intact YACK SOFTWARE LICENSE This program is free software you can redistribute it and or modify it under the terms of the GNU General Public License as published by the Free Software Fo...

Страница 7: ...L H PLAY 1 A IAMBIC A R RESET 5 PLAY 2 B IAMBIC B V VERSION 1 RECORD 1 D DAH PRIORITY 0 LOCK 2 RECORD 2 L ULTIMATIC F FM Fox Hunt G QRS 5WPM X SWAP FEATURES Q QRQ 5WPM TRANSMIT TONE C TRAINER W SPEED I INVERT TX Z ADV TRAINER P PITCH K TX DISABLE F FARNSWORTH U TUNE S SIDETONE N BEACON ...

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