Instruction manual

U.S. Patent Nov. 4, 2003 Sheet 11 0f 14 US 6,642,852 B2
( Power on reset )
To set power threshold. _user
switches monitored device 7
°"- pl'essefsetup'lbuum- Set default current
then switches monitored dmw [hfgshgtd
device on and presses
"Setup"again(withln 20
seconds)
Y Setup switch
activated?
1L=Current power
draw value
l
Start feedback
Message
received?
L£D flashing
‘ Power Status
enquiry?
Start timer
Read current
power draw
Set up
switch activated
again?
Power
draw threshold
value?
Set power Set power
20 seconds $totus=“0FF" stotus="0N"
elapsed? t t
Read uni address
lH=current power N(0 thru 7) from
draw value switches
Threshold value: j ‘
delautt Threshokd vmue: T-(N"lO0)+20mS
I (tL+lH)/2 ‘
Start timer
Stop timer
Stop flashing LED
RF POWER MONITOR
MODUtI LOGIC FLOW
FIG. I l J
Transmit power
status message.
l
Stop timer