BNC 1201 - 6 1/2 Digit Digital Multimeter - Manual (Page 97)

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Figure 4-30
4.4.5 Scanning (Scan)
User can purchase an optional internal scanner card to be used with 1201
as the following picture shown. This multipoint scanner card lets you
switch and scan up to 10 channels of input signals. User can open and
close individual channels, set scan count and scan interval, store
measurement readings and activate measuring through channels
defined with different measurement functions. The measurements are
taken through all defined channels in sequence. The scan count limits the
total number of measurements the multimeter makes through all
defined channels in one single scanning operation. The scan interval is
the period of time the multimeter waits before it makes a measurement
through the first defined channel. The configuration made by user is
stored in a volatile memory and will be cleared after the meter is turned
off.