Welcome to the new FlexRadio Community! Please review the new Community Rules and other important new Community information on the Message Board.
If you are having a problem, please refer to the product documentation or check the Help Center for known solutions.
Need technical support from FlexRadio? It's as simple as Creating a HelpDesk ticket.

Flex 8600 CW Latency (Return to Receive)

I've noticed on my 8600 that there is a latency to return to receive while operating cw. I don't recall having this issue with my 6600. I'm hoping there is a setting that I'm forgetting about.

When I'm done transmitting, I can hear a relay in the rig click which I'm assuming is the T/R relay. It takes a few milliseconds for the the receive audio to reappear. I don't have a way to measure the latency, but it's significant enough that I miss the beginning portion of a call sign or exchange and have to ask for a repeat.

I tried resolving the issue with the latency setting under the filters tab. Unfortunately I can resolve the return to receive latency but then the filters are useless as I'm hearing all kinds of signals a few KHZ either side of my receive frequency.

This is not a big deal for chasing DX, but it is a significant issue during contest operations.

Am I missing a setting?

Rich - N5ZC

Comments

  • KD0RC
    KD0RC Member, Super Elmer Moderator

    Hi Rich, what do you have CW Delay set to? This is the Delay on the control panel when you are in CW mode.

  • Gord-VA7GP
    Gord-VA7GP Member ✭✭✭
    edited January 25

    In my head, I re-name "CW Delay" to "Hangtime" to correlate with the functionality and terminology I'm more-accustomed to using for almost a half-century.

    I wonder if Len is right, and changing CW Delay may give you the rapid-response you seek? And for clarity, I wonder if you might think of it as "Hangtime": semi break-in?

  • Rich - N5ZC
    Rich - N5ZC Member ✭✭

    No matter the delay, there is latency (hang time) before I can hear the receiver.

    During a contest I'll set the delay to 50, for normal DX chasing its in the 350 to 450 range. I've even tried a delay time of 0.

    Rich - N5ZC

  • KD0RC
    KD0RC Member, Super Elmer Moderator

    Hi Rich, do you have an amp, noise canceller or something else in line that could be causing the delay?

  • Rich - N5ZC
    Rich - N5ZC Member ✭✭

    Len,

    8600/PGXL/TGXL to a Antenna Genius antenna switch.

    Rich - N5ZC

  • KD0RC
    KD0RC Member, Super Elmer Moderator

    Maybe try it with just the rig into a dummy load to see if it is the rig or one of the other components.

Leave a Comment

Rich Text Editor. To edit a paragraph's style, hit tab to get to the paragraph menu. From there you will be able to pick one style. Nothing defaults to paragraph. An inline formatting menu will show up when you select text. Hit tab to get into that menu. Some elements, such as rich link embeds, images, loading indicators, and error messages may get inserted into the editor. You may navigate to these using the arrow keys inside of the editor and delete them with the delete or backspace key.