Selecting "programmer" is for connecting an AVR ISP to the SPI interface pins (SCK, MISO, MOSI, Reset, Vcc, Gnd). It is not applicable to the USB/Serial adapter.
Selecting "programmer" is for connecting an AVR ISP to the SPI interface pins (SCK, MISO, MOSI, Reset, Vcc, Gnd). It is not applicable to the USB/Serial adapter.