----- Original Message -----
From: <fowlerphoto@xxxxxxxxxxxx>; <fowlerphoto@xxxxxxxxxxxx>
To: "List for Photo/Imaging Educators - Professionals - Students"
<photoforum@xxxxxxxxxxxxxxxxxxxxxx>
Sent: Sunday, August 01, 2004 4:53 PM
Subject: Re: Metz Mecablitz CT-4 battery setting
Thank you for your help, Joe. It is much appreciated and I'm keeping a
copy{:->
Marilyn
> The instruction book I have for mine says to set the internal switch to
the "dry"
> position for the dryfit (sealed) lead acid battery. The Pb is apparently
for a
> conventional lead acid battery. The lug is to be set to "NC" for Nicads.
>
> The "0" and "1" mean off/on "O" being off, the position where the red
light
> does not blink at varying rates according to the charge left. At "1, the
red light
> should blink.
>
> Turn the switch to "O" during charging.
>
> The lights on the end,where the cleverly shaped plug fits in only one of
the choices,
> come on, (side by side red and green) at the beginning of the charge.
>
> The green light fairly quickly goes out; the red one goes out when the
battery
> reaches 80% charge, then it's charged in about 6 hours.
>
> The dryfit battery is protected against overcharging by internal
circuitry.
>
> The nicad is not.
>
> The Nicad takes only 4 hours.
>
> If the dryfit was completely discharged, it might take 48 hours, sez the
instruction
> book. That's for "exhaustive" discharge
>
> Completely discharging the batt. is said to be a bad idea, generally.
When flash
> gun ready light takes 30 seconds, stop and recharge.
> (The NC batt wants a 4 hour charge every three months, when it's not being
used.)
>
> The instruction books are still available from Bogen, I think.
> I had to replace mine about 6 years ago. Five bucks.
>
> BTW, Metz says that the flash unit should be turned on for 15/20 minutes
every
> three months, to maintain peak performance.
>
>
> Joe Fowler
>
>
