User's Manual Part 3
Table Of Contents
26 Overview of Monitor Operation Welch Allyn Propaq LT Vital Signs Monitor
Large Display Viewing Options
The large display shows vital signs numerics and either four or nine waveforms 
(Figure 18).
Figure 18. Large Color Display Viewing Options
To change between 4-waveform and 9-waveform views, insert a wire into the small hole 
in the interface box (Figure 19) near the USB connector.
Figure 19. Switching Between the 4-Waveform and 9-Waveform Views
 15 
 15 
% 
% 
 60 
 60 
 78 
 78 
 98 
 98 
 120 
 120 
S 
S 
D 
D 
M 
M 
220 
220 
75 
75 
110  
110 
35 
35 
120 
120 
50 
50 
Manual 
Manual 
120 
120 
50 
50 
100 
100 
90 
90 
120 
120 
50 
50 
(89) 
(89) 
STEWART, ANN 
STEWART, ANN 
HR/min 
HR/min 
NIBP/PSNI-mmHg
NIBP/PSNI-mmHg
Resp/min 
Resp/min 
SpO2 
SpO2 
II 
II 
SpO2 
SpO2 
Resp 
Resp 
7762940 
7762940 
V 
V 
I 
I 
Resp 
Resp 
V 
V 
II 
II 
III 
III 
aVR 
aVR 
aVL 
aVL 
aVF 
aVF 
SpO2 
SpO2 
 15 
 15 
% 
% 
 60 
 60 
 78 
 78 
 98 
 98 
 120 
 120 
S 
S 
D 
D 
M 
M 
220 
220 
75 
75 
110  
110 
35 
35 
120 
120 
50 
50 
Manual 
Manual 
120 
120 
50 
50 
100 
100 
90 
90 
120 
120 
50 
50 
(89) 
(89) 
HR/min 
HR/min 
NIBP/PSNI-mmHg
NIBP/PSNI-mmHg
Resp/min 
Resp/min 
SpO2 
SpO2 
STEWART, ANN 
STEWART, ANN 
7762940 
7762940 
Waveform view selector










