GW Instek GDS-2000A series Option User Manual - Manual (Page 47)

LOGIC ANALYZER
47
6. If you wish to define which channels are
assigned to the bus, press Select Signal from the
side menu and select the bit that wish to assign.
Channel 1 is
currently
assigned to bit 1.
7. Next, press Select Ch and select
which channel is assigned to the
bit selected above.
8. Repeat steps 6 and 7 for any remaining bits and
for the clock, if enabled.
Threshold Configuration
Background The threshold levels for the parallel bus can be set
to either a user-defined threshold level or to pre-
set threshold.
Operation 1. Press Thresholds from the bottom
menu.
2. Press Select from the side menu
and select a digital channel.
3. Press Choose Preset to select a pre-
set logic threshold for the selected
channel.
Logic Type Threshold
TTL 1.4V
5.0V CMOS 2.5V