Click here to download ELECRAFT K3S (02) PDF MANUAL

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****** Page 1 ****** ELECRAFT K3S OWNER’S MANUAL ERRATA Rev. A 1-2, sept. 21, 2015 IMPORTANT NOTES – READ BEFORE OPERATING THE K3S SAVE CONFIGURATION OFTEN: Whenever you make a configuration change to your K3s, such as adding a new option module or changing important menu settings, use the K3 Utility application to save the configuration file. This can be used to restore your configuration in the event of data loss or following an EEINIT (initialization). IF TIIE SPEAKER IS NOT WORKING with headphones unplugged: Locate the CONFIG:SPKR+PH menu entry. Tap ‘l ‘ on the numeric keypad until you see PH. R SW— . The minus sign (-) indicates inverted switch logic for the jack on the K103B audio board. Exit the menu and re-save your configuration using K3 Utility. EXTERNAL SPEAKER JACK CAUTION: This jack is stereo. Ifyou use a mono speaker plug, turn off the right channel amplifier by setting the CONFIG:SPKRS menu entry to 1 . This will eliminate the possibility of damaging the right-channel amplifier. (You will still hear stereo when using headphones.) PTT/KEY USE WITH THE USB PORT IMPROVED: Some PC applications can control PTT and KEY at the K3S via the RTS/DTR signals of the USB port. However, use of these signals may also allow the PC’s USB port initialization to unexpectedly activate transmit at the K3S. This can happen if the computer is turned on after the K3S, or if the USB cable is not connected. There is now a “Safe” mode (the default) which disables PTT-KEY transmit until the K 3S receives a command via USB, such as a read of the rig’s VFO frequency. To turn on safe mode on/off, go into CONFIG:PTT-KEY and tap ‘1’ to select “USB SAFE” or “UNSAFE”. Exit the menu and turn the K3S off/on. Applications that use PTT- KEY via USB but never send commands may require “UNSAFE” mode. In this case, unwanted transmit can be avoided by turning the PC on before the K3S. FORCED FIRMWARE LOAD GOES To RS232 JACK, NOT USB: As described in the manual on page 47, you can manually force the K3S to reload firmware by holding the POWER switch in for about 10 seconds. K 3 Utility will then contact the K3S and attempt to do a load. However, the current K103B 1/0 board defaults to its RS232 port (RJ-45 jack) for this type offimrware load. So if you had been using the USB port for your K3S to PC connection, you’ll need to switch communications to the RS232 port (RJ-45 jack) temporarily. An RJ-45 to DE9 adapter cable is supplied with the K3S. You could use this by itself if your PC has an RS232 port, or you could use this adapter along with an Elecraft model KUSB cable. If you have any difficulty completing a forced firmware load, please contact customer support. MANUAL CORRECTIONS Pg. 7, Options and Accessories description: Add SP3 matching external speaker. Pg. 9, Transmitter specifications: All power output specifications are +/- I dB Pg. 12, Mode Icons list: ‘+’ icon in CW mode indicates that CW QRQ is in effect (CONFIG:CW QRQ). Pg. 55, MAIN:ATTEN menu entry: This menu entry sets the level in dB to be used when the attenuator is turned ON (5/10/15 dB, per band). The ATTN switch on the front panel is used to actually turn the attenuator ON/OFF. Pg. 58, CONFIG:CW QRQ menu entry: When CW QRQ is in effect, the ‘+’ LCD icon turns on. Pg. 62, CONFIG:PTT-KEY menu entry: Add caution described above for PTT-KEY use with the USB port. Pg. 79, KAT3A (AT U) and KANT 3: In addition to the features described, the KAT3A also includes a true bypass relay, reducing loss whenever the ATU is bypassed (for use with well-matched antennas).








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