ELECRAFT K3 Programmer's Reference Manual

Text of ELECRAFT K3 User Guide:

• ELECRAFT K3, 1 ELECRAFT K3 PROGRAMMER'S REFERENCE Rev. A, October 10, 2007 Command Set Overview The K3 firmware provides a wide range of remote control commands. A brief description of each command appears in Table 1, and full details can be found in the Command Reference section. Table 1 K3 Control Commands. Note: Commands marked with an asterisk (*) are new commands, not available on the Elecraft K2. Name Description Name Description Name Description ! , @ * Direct DSP control FW Filter bandwidth and # RA RX attenuator on/off

• ELECRAFT K3, 2 Command Format Commands sent from the computer to the K3 are considered either GETs or SETs. GET commands are used by the computer to get information from the K3; the K3 will then provide an appropriate response message (RSP). SET commands are sent by the computer to change the radio's configuration or initiate an event; in most cases they supply a data value. A SET can be followed by a GET to verify the new settings, or the auto-info mechanism can be used for confirmation that something has changed (see AI in the Meta-commands section). SET commands use two characters, optional data fields, and are terminated with a semicolon [;]. Ex

• ELECRAFT K3, 3 Remote Control of Potentiometers AF GAIN, SUB AF GAIN, RF GAIN, SUB RF GAIN, and MAIN/SUB SQUELCH (if applicable) are controlled by their potentiometers or by the computer, whichever was changed last. Meta-commands: AI and K2 The AI and K2 commands do not affect the transceiver's configuration. Instead, these meta commands change the way other commands behave. During program development, both AI and K2 can be left at their default values. As the program progresses, you may wish to use these commands to gain access to more advanced features. The AI and K2 commands can be sent as often as you

• ELECRAFT K3, 4 Command Reference Note: Commands marked with an asterisk (*) are new commands, not available on the Elecraft K2. This section describes all K3 GET, SET and RSP (response) command formats. Unless otherwise noted, the GET format is just the two letters of the command followed by a semicolon. The format for SET and RSP data is identical unless noted. When K2 Command Mode 2 or 3 is in effect, certain commands have an extended format (see Meta-commands). Both the basic and extended formats are described in these cases. ! and @ * (Direct Main/Auxiliary DSP

• 5 DN (Move VFO or Menu Entry/Parameter Down; SET only) Basic SET format: DN; (no data). Results in a fixed 10-Hz change in operating frequency or one unit scroll or parameter change in menu. Extended SET format: DNn;. where n is 1 (10 Hz), 2 (20 Hz), 3 (50 Hz), or 4 (1 kHz). DS (VFO A Display Read; GET only) GET format: DS; (no data). Returns everything needed to

• ELECRAFT K3, 6 ignored. If the specified frequency is in a different amateur band than the present one, the K3 will change to the new band, and will automatically report the new values of parameters that may have changed 3 . If the specified frequency is over 30 MHz and is within a valid transverter band (as specified by the operator using the K3's TRN 1 - 3 menu entries), the K3 will switch to that transverter band. If the specified frequency is one that the K3 VFO cannot be tuned to 4 , the K3 will switch to the amateur band closest to the requested one, and the last-used VFO A and VFO B values for that band will be retrieved. FN * (Function Encode

• 7 r 1 if RIT is on, 0 if off x 1 if XIT is on, 0 if off t 1 if the K3 is in transmit mode, 0 if receive m operating mode (see MD command) v receive-mode VFO selection, 0 for VFO A, 1 for VFO B s 1 if scan is in progress, 0 otherwise p 1 if the transceiver is in split mode, 0 otherwise b basic RSP format: always 0 extended RSP format: 1 if the present IF response is due to a K3

• ELECRAFT K3, 8 MN * (Menu Selection; SET Only) SET format: MNnnn; where nnn is shown in Table 3. MN commands can be sent in any order to scroll through a desired set of entries. To exit the menu, send “MN255;”. To change the parameter, use “UP;” and “DN;”. There’s no need to specify MAIN vs. CONFIG; this is determined by the K3 when the menu entry is selected. Also, MAIN and CONFIG are not flashed at the K3 when menu items are accessed remotely. NOTE: Use MN072 to turn on TECH MD (and turn it back off after remote menu access is complete). Otherwise MN wil

• ELECRAFT K3, 9 NB (Noise Blanker Mode; GET/SET) SET format: NBn; where n is 0 or 1, but is ignored; the next noise blanker mode is selected. Basic RSP format: NBn; where n is 0 if the blanker is O F F , and 1 if the blanker is in NB1 or NB2 modes. Extended RSP format: NBnm; where n is 0, 1, or 2 (O FF , NB1 , NB2 ), and m is the threshold (0 = HI TH R, 1 = LO THR). Example: a response of NB21; indicates NB2 mode and LO THR . Note: Use SW22; to change the noise blanker threshold. PA (Receive Preamp Control; GET/SET) SET/RSP format: PAn; where n is 0 (preamp OFF) or 1 (preamp ON). Note: the

• ELECRAFT K3, 10 RV * (Reserved for K3 Development use only) RX (Receive Mode; SET only) SET format: RX; (no data). Used to terminate transmit and release PTT only when transmit was initiated using the TX command. Applies only to SSB and RTTY mode. RX/TX status read is available in the IF response. SM (S-meter Read; GET only) RSP format: SMnnnn; where nnnn is 000-0015. Returns 0000 in transmit mode. (0 corresponds to no bars on the K3 bargraph, and 15 corresponds to 9 bars.) This command is only provided for compatibility with existing software. New applications should use the BG command, which returns a value that better matches the K3's bargraph display,

• ELECRAFT K3, 11 TX (Transmit Mode; SET only) SET format: TX; (no data). Used to initiate transmit (in SSB and RTTY modes only) by pulling PTT low. Use the RX command to cancel TX. RX/TX status read is available in the IF response. XT (XIT Control; GET/SET) SET/RSP format: XTn; where n is 0 (XIT OFF) or 1 (XIT ON). Change History Rev A: Adapted from KIO2 Programmer’s Reference

More Instructions:

	ELECRAFT K3 Upgrade instructions 10-03-2024 11	DOWNLOAD
	ELECRAFT K3 Owner's manual 30-12-2023 82	DOWNLOAD
	ELECRAFT K3 Installation instructions manual 01-03-2023 17	DOWNLOAD
	ELECRAFT K3 Assembly manual 06-11-2023 58	DOWNLOAD

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