El gusto es mio Bruce... I'm a big fan of Helper Instruments and have a small bit of history regarding the Company. When the founder passed, his daughter tried to keep the ship floating but the original innovation of Helper Products was gone.
Eventually... Zetron bought the rights to produce some Helper Products, but those were discontinued when the Radio Service and Repair Market all but dried up. You might check the Zetron site or drop their technical support a note asking if they might have the manual/diagram for that instrument. I might have the manual to the plain-jane sinad meter... the operation is the same but again the C Msg filter is a nice option to have if you need it/one. cheers, skipp [pasted text] Thanks Skipp, for starting me off in the right direction. I've found some interesting reading. My meter arrived and I'm starting to get used to it. Nothing in that specific Model (CML-1) yet, but hopefully I will find that also. 73, Bruce > skipp025 wrote: > C Weighting Filter, do a google search to find: > http://en.wikipedia.org/wiki/Weighting_filter > It's an audio filter option... nice to have if > you need it. > s. > > > "ve1ii" <bhar...@...> wrote: > > Hi, could anyone give me some information on what > > the C MSG feature is for on a Sinadder Model CML-1. > > There is an on off switch on the front panel for > > this but I don't know what it is for. > > > > Also, if anyone has a file for this particular Sinadder > > I would sure appreciate obtaining a copy. > > I think it is basically a Sinadder 3 but am not sure > > of any differences in it. > > 73, > > Bruce, VE1II
