# on off using burst mode. 
# 1 generator
# chan 1 am  modulated by chan2
# chan 2 in burst mode triggered off of 1 sec tick
# params
# freq=hz to output
# outamp= output amplitude in dbm.. 
# --> not usedpulsep= pulse period in seconds
# pulsew= pulse width in seconds
# bcnt=1..100000000 pulses after 1 sec tick trig or infinite
#      1 --> once per seconds
#      >1  time per second. but  beware tick trig needs about 1 usecs before tick to catchit
#     100000000 infinite.. but starts on the 1 sec ctrigger
# --> sync on causes a usec long glitch before start
# pulsew=pulsew,freq:freq,bcnt=bcnt
#
OUTPUT1 OFF
INIT:CONT:ALL OFF
OUTPUT1:LOAD 50
OUTPUT2:LOAD 50
OUTPUT:SYNC OFF
# chan 1
SOURCE1:AM:STATE OFF
SOURCE1:SWEEP:STATE OFF
SOURCE1:BURST:MODE TRIG
#SOURCE1:FUNC:PULS:PERIOD $pulsep
SOURCE1:FREQ $freq
SOURCE1:FUNC:PULS:WIDTH  $pulsew
SOURCE1:FUNC PULS
SOURCE1:VOLT:UNIT VPP
SOURCE1:VOLT:OFFSET 2v
SOURCE1:VOLT 4.0v 
TRIGGER1:SOURCE EXT
TRIGGER1:COUNT 1
SOURCE1:BURST:NCYCLES $bcnt
#
# When switching
# source 1 freq,amp
#SOURCE2:BURST:STATE $start
#OUTPUT1 $start
#INIT:CONT:ALL ON