FID detector Agilent 7890A

Hi

 You can checked  FID detector connected or not simply just check out put signal (see below images) and GC ready status.

Hi

 You can checked  FID detector connected or not simply just check out put signal (see below images) and GC ready status.

HI Theyaaldeen 

 "Thank you so much for you'r response and I will did it in  sunday   "Inshaallah 

My best regard 

Abtisam