Instruction Manual

7-25
Pulse Width, Delay Enter the Channel menus by pressing the letter key.
Enter the required pulse width and delay. Repeat for
each output channel.
Start Press the RUN/STOP key to start/arm the instrument.
The 575 will now generate a pulse for every valid
trigger.
Stop Press the RUN/STOP key a second time to
stop/dis-arm the instrument (i.e. to stop generating
pulses).
System Timer Overview
For internal operation, the 575 contains a timer and mode generator which
generates an internal T
0
clock that is used to trigger all the channel timers.
System modes are controlled via the MODE menu.
To Use Continuous Mode
The RUN/STOP button starts and stops a continuous pulse stream at the rate
specified by the Rate menu. This corresponds to the normal output mode for
most pulse generators.
To generate a continuous stream of pulses:
- within the system Mode menu
Mode Select Continuous for the system mode.
- within the Rate menu
Source Select the system oscillator or the external clock in
frequency.
Period Set the desired period.
Pressing the RUN/STOP key will now generate a stream of T
0
pulses at a
rate specified by the period parameter.
To Use Single Shot Mode
To generate a single pulse with every press of the RUN/STOP key:
- within the system Mode menu
Mode Select Single Shot for the system mode.
Pressing the RUN/STOP key will now generate a single pulse.
To Use System Burst Mode Function
The RUN/STOP button generates a stream of “n” T
0
pulses, where “n” is
speci-fied by the Burst parameter. The rate is specified in the Rate menu.