I’m so sad, confused and a bit frustrated and also disappointed

Eurotherm 2704 Output Modules?

Recently I bought a Eurotherm 2704. In Module IO, there are only three options: Module 1A (Hi Res Out, when its channel type reads Volts, channel status reads CH1 Short CCT), Module 1C (24V PSU, status is Ch1 Short CCT) and Module 3A for PV input which works fine. The problem is I can read the input, but I can't give an output because it seems to me that the only module I can use for output is Module 1A and when I try to use 0-10 V DC option from that module it says Ch1 Short CCT. How can I get through this? I need a DC Control module, do I have to buy that as well? Or am I doing something wrong with Hi Res Output?
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