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ToPer - To Period
Except when in External Trigger or Single Shot mode, all pulse outputs are based on an inter-
nal timer called To. This menu is used to select the rate at which To runs by selecting the
time period in microseconds between timer pulses. When in Continuous, Burst, or Duty Cycle
mode, pulses are output at the rate determined by To. The frequency of pulse outputs in these
modes can be found by taking the reciprocal of the To Period setting.
Width and Delay Menus
This set of menus is used to set the delay and pulse width for each of the output channels.
Note: Channel 2 delay is relative to the Channel 1 (T1) output.
Tn:Dly - Tn Delay
Each of the two channels has an independent delay setting which is set from the Tn:Dly,
where n = 1 or 2.
When in any mode but External Trigger, the Delay setting sets the delay from the time the in-
ternal timer To goes high until a pulse is output on a particular channel.
Note: In the case of Channel 2 (T2), the output is delayed from the active
edge of T1 - not To as with the other channels.
When in External Trigger mode, the delays are with respect to the active edge of the external
trigger input signal.
Tn:Wid - Tn Pulse Width
Each of the two channels has an independent pulse width setting which is set from the Tn:Wid
menu, where n = 1 or 2.
The pulse width is used to specify the duration of the output pulse in µS. The setting of the
output polarity (the Tn:Pol menu) for a particular channel determines whether the output is
high for this duration or is low.
Tn:Pol - Tn Polarity
Each channel has an independent output polarity setting set from the Tn:Pol menu, where n =
1 or 2.