Re: [Flexradio] question about running Flex 3000 on emergency power

2010-05-19 Thread Brian Lloyd - WB6RQN
On 5/19/10 4:06 PM, Ray J wrote: > A 12 volt auto battery should be 12.8 volts at full charge. > > 25% discharge should be around the flex spec of 12.4vdc minimum. > > the 3000 is speced out at use 12.4-15.1 vdc supply voltage I have powered both the 5000 and 3000 from 11V (fully discharged lead

Re: [Flexradio] question about running Flex 3000 on emergency power

2010-05-19 Thread Brian Lloyd - WB6RQN
On 5/19/10 3:12 PM, Eric Joseph Castle wrote: > I am waiting for UPS to deliver my Flex 3000 ordered at Dayton. > > Is there any problem with running the rig from a bank of 6 car type storage > batteries at 12 volts? > No. I run our Flex 3000 at school from a PV system with a 99AH gel-cell c

Re: [Flexradio] RX2 -- how much additional CPU load?

2010-04-30 Thread Brian Lloyd - WB6RQN
On 4/30/10 2:04 PM, Ray - K9DUR wrote: > Brian, > > Yep, that is exactly why we do experiments...hi..hi. > > One thing you may have overlooked when doing your mental calculations is > that even when we are in receive the transmitter process is still running. > This was done some time ago to impro

Re: [Flexradio] RX2 -- how much additional CPU load?

2010-04-30 Thread Brian Lloyd - WB6RQN
On 4/30/10 1:32 PM, Ray - K9DUR wrote: > Brian, > > Your assumption that turning on RX2 will approximately double the CPU load > is not quite borne out by the evidence. > Well, that is why we do experiments, right? Last time I did this on slow machines, it was approximately true. Base CPU utiliz