Elecraft KDSP2 Manual - Manual (Page 32)

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indicating the KDSP2 microcontroller firmware version. In this example, it is 3.00. If the MCU firmware
is prior to version 3.00, you will be returned to the KDSP2 main menu two seconds later. If the MCU
firmware version is 3.00 or later, then after another two seconds you will see a Flash memory checksum
FCS FFAd
followed by the EEPROM checksum
EEP 8AC1
Two seconds later, you will be returned to the KDSP2 main menu. The numbers you see may be different,
as the firmware versions evolve.
Filter Status Display
The K2 provides a filter status display, invoked by holding
XFIL + AGC . This displays the current
XFIL and AFIL settings. For example, in CW mode, you might see
FL2 0.7c
followed by
AF1
The second display is Audio Filter and number. This display does not distinguish between modes, showing
the DSP filter as AF rather than CF, SF, or RF.
i
NOTE: The AF portion of the Filter Status Display will display only if you have pressed the
AFIL button at least once since you turned the K2 on. If the AFIL button has not yet been
pressed, the Filter Status Display will only provide XFIL information.
i
NOTE: When you change modes, the Filter Status Display will show the AF value of the last
mode you used in which you pressed the AFIL button. Thus, when changing modes, the Filter
Status Display loses synchronization with the KDSP2 and may display incorrect AF information..