Elecraft K2 Owner's Manual User Manual

Page 93

LECRAFT

BFO Displays

Tap

B AN D -

to display the BFO setting for filter FL1, which will be

similar to BF1t110c. The 3-digit number is the BFO control
parameter. This number can be changed using the VFO knob, but
you'll use a different BFO-setting method described below. The letter
t

after BF1 is a reminder that the BF1 BFO frequency is always

used on transmit, which is important for SSB operation.

Whenever the BFO control parameter is displayed, you can tap

D I S P L AY

to show the actual BFO frequency in kHz. The VFO knob

can then be used to set the BFO directly. This method is used in the
filter-setup example.

Note: After changing the BFO setting, you can tap

A G C

to re-

measure and save the BFO information without switching filters.
This is useful if you want to try various BFO settings for a particular
filter to find the one with the best audio peak.

Other CAL FIL Operations

When you're in CAL FIL you can always tap

X F I L

to change to the

next filter, tap

M O D E

to change modes, and hold

C W R V

to switch

from CW normal to CW reverse. Whenever you switch modes or filters,
the K2 will first record your new settings, if they have been changed.

B AN D +

switches to the filter bandwidth display, and

B AN D -

switches

to the BFO display. Tapping

M E N U

exits CAL FIL and returns to the

normal display. (On exit from CAL FIL, changes are saved.)

Turning Selected Filters Off

FL2, 3, or 4 can be individually disabled. To turn off a filter, display the
filter bandwidth using CAL FIL, then set the bandwidth number to
O F F

. (To get to OFF, go to 0.00 first, then turn the VFO knob a bit

farther counter-clockwise.)