! U1 setvar "wlan.encryption_key[1|2|3|4]" "value"
! U1 getvar "wlan.encryption_key1"
! U1 getvar "wlan.encryption_key1"
! U1 getvar "wlan.encryption_key2"
! U1 getvar "wlan.encryption_key3"
! U1 getvar "wlan.encryption_key4"
! U1 setvar "wlan.encryption_key1" "A1B2C3D4F5"
! U1 setvar "wlan.encryption_key2" "G1H2J3K4L5"
! U1 setvar "wlan.encryption_key3" "M1N2P3Q4R5"
! U1 setvar "wlan.encryption_key4" "S1T2V3W4X5"