Onkyo Integra M-588

hifiengine vinylengine have manuals available

https://www.hifiengine.com/manual_library/onkyo/m-588f.shtml

free membership, then free downloads, limited to a few per day

this may take you to the service manual I downloaded

file:///C:/Users/elliott/Desktop/hfe_onkyo_m-588f_service_en.pdf

perhaps you can find a similar model with meters with explanation of the meters

page 3 ...

The meters switch "automatically" back and forth depending on how many watts are being registered/used (1X for higher wattage and 0.1X for lower wattage).

DeKay

Thank you both, this is really helpful. Appreciate it.

Sorry, I reversed the 1.0/.1 duties, but assume you got the drift.

DeKay (always putting his T-Shirt on backwards).

Got it 😉- thanks again for your help, dekay - really appreciate it