Welch Allyn Atlas Service Manual page 48

Section 3 - Troubleshooting
3.4 Diagnostic Tests
Printer 2
Printer Settings 1
22 WELCH ALLYN ATLAS MONITOR
NOTE: Configuration settings for printing are different for
text pages (Advanced Configuration and Trend displays)
and for waveforms.
Connect ECG simulator to generate a sample waveform
Press <PRINT> and look at waveform printout. Look for
darkness, thickness of lines, legibility of text, blurring,
"blooming" of text
Press <DATE/TIME><TREND>
Get Advanced Configuration menu
Press <PRINT> and look at text printout.
If waveforms too light or dark: goto Printer Settings
1:
If text too light or dark: goto Printer Settings 2
If alignment errors: Adjust printer mechanism
If feeding problems: Adjust printer mechanism,
replace feed roller
If incorrect printout, missing elements, missing grid,
etc
Connect serial cable between Atlas and PC
Start HyperTerminal on PC
At Pangea> prompt, type:
Pangea> nvram get
printer_strobe_width_normal<ENTER>
Write down this value
If problem is that WAVEFORM printout is too light, increase
this number. If the WAVEFORM printout is too dark, de-
crease this number.
Range is 0-256. Set new value with:
Pangea> nvram set printer_strobe_width_normal
XXX<ENTER>
Pangea> nvram write<ENTER>
Where XXX is the new value.
Repeat the test that showed the problem.
Repeat this test-and-set process until ideal value is
achieved
Disconnect serial cable
SERVICE MANUAL 6200-43E REV. A