Section 2 - Service
SERVICE MANUAL 6200-43E REV. A WELCH ALLYN ATLAS MONITOR 15
2.4 Downloading Operat-
ing System
(when upgrading software or
replacing CPU board)
2.5 Downloading NVRAM
Text files
after replacing Main Board
*Configure HyperTerminal
9600 Baud
8 bits
1 stop bit
no parity
no flow control
2.4 Downloading Operating System
When required: to load latest revision software*
ona fully functioning Atlas or to reload software
after replacing the MCU board. The
atlas_dl.exe program loads the following files:
atlas.out.gz
nvram_common.txt
nvram_(model#).txt **
nvram_(language).txt **
Equipment or supplies required:
PC with Windows ‘95/NT
Serial cable with connector: (COM1to PC)
File : atlas_dl.exe
2.4.1 Connect serial cable between Atlas and
PC COM1
2.4.2 Double click “atlas_dl.exe” explorer window
2.4.3 After downloading is complete, check alarm
and other User controlled advanced
configuration settings since these are ‘reset’ by
this downloading process.
Downloading Operating System complete
2.5 Downloading NVRAM files with Hyperterminal*.
The NVRAM resides on Main Board. Hyper
terminal loads the following files:
cal_init.txt
common.txt
(model#).txt **
(language).txt,**
printer.txt (if required),
or no_printer.txt.
2.5.1Connect serial cable between Atlas and
PC COM1 as in 2.4 above.
2.5.2Open HyperTerminal program on PC:
START
PROGRAMS
ACCESSORIES
HYPERTERMINAL
2.5.3Turn Atlas ON. You should see some
version information and a prompt:
Pangea>
2.5.4 Transfer Text files:
(TRANSFER/SEND TEXT FILE)
NVRAM_CAL_INIT.TXT (only if main board has been
replaced)
Note: If Atlas calibration
was satisfactory prior to
downloading software
then recalibration is not
required.
**Note: Hyperterminal
queries the Atlas to deter-
mine which model number
and language to down-
load.