Vectronics VEC-221K - Manual (Page 21)

VEC-221K Instruction Manual CW Memory Keyer Kit
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11. Press and release the Message 4 switch SW4.
12. Press and release the Function switch SW6.
13. Turn the Speed control R6 to full counter-clockwise position.
14. Turn the Speed control R6 to full clockwise position.
15. The unit then tests its non-volatile memory. This step will reset the unit to
its factory default values.
16. If the unit is okay, "PASS" is repetitively sent to the speaker. If there is a
problem, a failure message is sent, indicating that you did not follow the
correct order or the unit failed the test. These messages are shown below.
17. Once you have confirmed that the audio is okay, turn the unit off.
Failure
Message
Meanings
DH FAIL Dash level is shorted or improperly connected.
DT FAIL Dot level is shorted or improperly connected.
EE FAIL Non-volatile memory circuitry is improperly connected.
FN FAIL Function switch is shorted or improperly connected.
M1 FAIL Message 1 switch is shorted or improperly connected.
M2 FAIL Message 2 switch is shorted or improperly connected.
M3 FAIL Message 3 switch is shorted or improperly connected.
M4 FAIL Message 4 switch is shorted or improperly connected.
SP FAIL Speed control is faulty.
Now that the self-test is completed, you're ready to continue the testing and
alignment phase of construction.
! Preset Volume control R8 to midrange.
! Preset Speed control R6 about 30% clockwise from the full counter-
clockwise stop.
! Turn the keyer on using Power switch SW5.
! Press and hold the dot paddle—you should hear a stream of “dits” from the
monitor speaker.
! Press and hold the dash paddle—you should hear a stream of “dahs” from
the monitor speaker.
! While generating a continuous stream of “dits” or “dahs”, verify that
adjusting Volume control R8 varies the monitor sidetone level.
! While generating a continuous stream of “dits” or “dahs”, verify that
adjusting Speed control R6 varies the sending rate.