Hi Bert, Disconnect filament from PCB (one end is enough) and connect to regulated DC Power supply. Adjust voltage to 8V and current to 0.3-0.4A. In a dark room should see very small red light. Slowly increase little bit voltage until color goes to orange-yellow. Important - do not move display during procedure. Keep filament powered for 5-7 min and after that reconnect filament to PCB. Power on counter and share result.
Best regards Philip Sent from my iPhone > On 1.04.2016 г., at 22:14, Bert Kehren via time-nuts <time-nuts@febo.com> > wrote: > > Did buy a HP53132a counter mainly to use with the RS 232 for high > resolution and to have a backup for my very favorite 5345a with 40 GHz head. > Sadly > the very clean unit has a very weak display to the extend that an 8 looks > like a 9. Have the option for a full refund but would like to explore > alternatives. Any ideas. > Bert Kehren > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
