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16-10-200716-10-2007
4
BREWER COMMANDS
4.1
RESERVED KEYS: HOME, DEL, CTRL+BREAK
HOME
This key can be pressed to terminate an observation or operation prematurely. It should only
be used if the message " press HOME key to abort " is displayed on the screen.
There may be a delay between the time when the DEL key is pressed, and the Main Menu
appears, as some aborted activities take longer to terminate.
DEL
This key is not normally used for routine work. It can be used in special situations to bypass
the five-minute warm-up period of the mercury or standard lamps, or to terminate some
operations, such as the zeroing of the Azimuth Tracker if no tracker is present.
There may be a delay between the time when the DEL key is presses, and the Main Menu
appears as some activity takes longer to abort.
Ctrl+Break
This combination temporarily halts the Brewer Program so that the GW-BASIC operating
system may be accessed.
After the CTRL+Break keys have been pressed,
will be seen, there will be full access not only to all GW-BASIC commands, but also to the
Brewer Program itself.
There are a number of ways to restart the Brewer program following a CTRL+Break:
•
instruct the program to continue by typing "CONTINUE".
•
type "SYSTEM" to abort completely from GWBASIC and re-initiate the Brewer
operation by one of the traditional methods.
The menu displays the MU (air-mass) and ZA (solar zenith-angle) which will be continuously
updated during the course of the day, as well as the GMT, date, instrument number, location
and data bytes available. Pressing the Return key without a command entry causes the Main
Menu to reappear.
To issue a command, the appropriate character code is typed, followed by the Enter key.
4.2
BREWER COMMAND SUMMARY
Following is the Command Set of the Brewer Spectrometer.
Commands are entered at the command line, cm->.
Note that only two character commands are accepted in a 'multiple command' string or in a
schedule.
Commands may be entered as a series of single commands; each followed by 'Enter', or as
a command string, consisting of a series of commands, and followed by 'Enter' (i.e. pnaphg
'Enter').
Break in xxxxx
OK
MKIV OPERATOR'S MANUAL
4. BREWER COMMANDS
33
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