Arbiter Systems 931A, Operation Manual

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3.7.2.3 Hold Mode on Stop
Select Hold Mode On Stop from the Timer Configuration Menu and press
ENTER to view the following sub-menu:
Use this sub-menu to leave the instrument in the measure hold mode
at the end of a timer cycle.
Select Disable to continue normal operation, with all measured param-
eters being updated continuously.
Select Enable to continue in the measure hold mode at the end of the
timer cycle. It then retains values for all measured parameters as of the
end of the timer cycle.
3.7.2.4 Select Timer Trigger A
Select Trigger A from the Timer Configuration Menu and press ENTER
to view the following display:
This sub-menu allows selection of the type of input to be used for the
trigger for timer “Channel A”. The following are descriptions of each of
the choices:
ˆ
“ DC Applied ” configures the timer input to trigger with a
±
3
volts DC or greater signal.
ˆ
“ DC Removed ” configures the timer input to trigger with removal
of a
±
3 volts DC or greater signal.
ˆ
“ AC Applied ” configures the timer input to trigger with an AC
voltage. The minimum triggering voltage is frequency dependent,
but must be greater than 3 volts rms at any frequency. Slight errors
may occur, when using this mode of triggering, that depend on the
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