Switch functions – Elecraft K2 Owner's Manual User Manual

Page 89

LECRAFT

Switch Functions

Each pushbutton switch as two primary functions, indicated by the
upper and lower labels.

T A P

a switch to access its upper function;

H O L D

a switch for over 1/2 second to access its lower function.

Numeric Keypad: In addition to their tap/hold functions, ten of the
switches are labeled with digits 0 through 9. A digit can be entered
using either a TAP or HOLD (e.g.

, or

). In some cases the

difference between the two is significant, as indicated below.

Tap and Hold Functions

B AN D +

select next higher band

R C L

recall memory #

(to start scan, use #

)

B AN D -

select next lower band

S T O R E

store memory #

(to start scan, use #

)

M E N U

enter the menu

E D I T

edit current menu parameter

D I S P L AY

show

voltage/current,

time*, DSP parameters*

R F / AL C

select SSB transmit bargraph mode (RF or ALC)

A N T 1 / 2

toggle between ATU antenna jacks 1 and 2*

T U N E

key transmitter; activates ATU if installed

N B

select noise blanker mode (OFF/NB1/NB2)*

L E V E L

toggle noise blanker threshold (low or high)*

R AT E

select VFO tuning rate (see RATES menu entry)

L O C K

lock/unlock VFO (DP flashes)

M O D E

select operating mode (CW/LSB/USB)

V O X

CW: oper/test; SSB*: PTT/SPEECH (0.2-1.0)

*These functions require option modules; see page 117.

P R E / AT T

turn on preamp or attenuator

S P O T

CW audio spot signal on/off

R I T

turn on RIT (see RIT menu entry, page 108)

P F 1

activate programmable function 1

A/ B

select A or B VFO

R E V

temporary A/B VFO swap (used in SPLIT)

AG C

select FAST/SLOW AGC

C W R V

toggle between CW norm/reverse or USB/LSB

X I T

turn on XIT (see RIT menu entry, page 108)

P F 2

activate programmable function 2

A= B

set both VFO’s to current VFO frequency

S P L I T

toggle between SPLIT and NORMAL transceive

X F I L

select next crystal filter (FL1-4)

AF I L

audio filter mode (OFF, AF1-2, CF1-4, SF1-4)*

M S G

play or chain CW msg #

(to repeat, use #

)

R E C

record CW message #

(

M S G

cancels record)

Two-Switch Combinations (hold both switches)

B AN D +

B A N D -

direct frequency entry (e.g., #

)

P R E / AT T

AG C

AGC on/off (mode letter dec. pt. flashes)

X F I L

AG C

display crystal filter # and bandwidth

(plus audio filter setting, if applicable*)

AF I L

S P L I T

DSP notch filtering on/off*

AF I L

R E C

DSP noise reduction on/off*

D I S P L AY

T U N E

override ATU

T U N E

power limit*

R I T

X F I L

turn FINE RIT on/off (see page 106)