First test without LCD

When i powered up for the first time the shruti (without LCD) third and 7th led lit.
When i test the switch, the led lit OK but when LED7 lit and i pressthe 4th switch
LED 7 lit and LED 6 flash
Is this normal ?

Yup. All is well.

LED6 tends to show what the LFO is doing.

whew Thank you, i can solder the lcd now !