Bringing a Seatel system back to life

Hi,

I've just started working on a ship and we have a Seatel satelite for receiving TV signals. It hasn't been used onboard for about 3 years but I'm taking on the project of trying to get it back working. I know very little about satellites specifically but have dug up the following information.

Seatel 4894
48" dish with stabilised pedestal assembly
Controlled by TAC-92 ACU

I believe it has a universal twin LNB with the following spec
Output: Dual output
RF...

Bringing a Seatel system back to life