Enter User Mode And Modify & Save - Jack JK-T781E Series Manual

5、Enter user mode and modify & save(1-10)
In normal
press F to get into
user parameter mode.
Press up and down
key to modify the
parameter value.
case,
Press up and
down key to change
parameter items.
Press enter key to
save the value
Press enter key to
get the value of this
parameter.
Press F key to get out
of this mode.