Raven Industries SCS 450 - Manual (Page 36)

Chapter 5
32 SCS 450 Serial Interface Installation & Service Manual
System Features
Data Menu
Pressing the DATA MENU button displays the menu options by name and the default setting. Use the arrow
keys to scroll through the menu options.
Menu Option Function
PRINT FIELD BEGIN
Sends data through the serial port to the attached printer (optional - not supplied by
Raven) to Print Field Begin and Print Field End pages. Pressing CE will toggle between
the two pages.
1. Press ENTER to print the Print Field Begin. The display will now show
PRINT FIELD END.
2. PRESS ENTER to print the Print Field End.
ALARM ON
Turns the audible alarms on and off for the Vol/Minute Rate Fault, Volume/Area Rate
Alarm, and Low Tank Fault features. Pressing CE will toggle between Alarm On and
Alarm Off.
DISPLAY SMOOTHING
ON
Turns display smoothing on and off. Display Smoothing On adjusts the console to
display the target rate when the actual rate is within 10% of the target rate. Display
Smoothing Off displays the actual target rate. Pressing CE will toggle between the two
settings.
RATE CHANGE
ALARM ON
Turns the rate change alarm on and off. When the Rate Change Alarm is on, the alarm
emits four long beeps when the RATE 1 calibration number is changed via the serial port
using a valid change request data string. Pressing CE will toggle between the two
settings.
GPS FILE REF 1 This application is not currently used in the SCS 450 system.
GPS INACTIVE This application is not currently used in the SCS 450 system.
FIELD REF 0
Allows the user to enter up to a four-digit number to represent a field. Field reference is
included in the field begin and field end pages and the data logger time/date string.
BAUD RATE 9600 Used in the GPS logging mode. The baud rate option is 1200 - 9600 baud.
DATA LOG TRIGGER
VALUE 0
Used in the data logging mode. The trigger determines how often the actual rate data
string is sent to the serial port. The trigger may either be in feet/meters or seconds. The
default value is set to zero. This value must be changed to a number ranging from 1 -
9999, or the data logger feature will not work.
DATA LOG TRIGGER
UNITS FEET
Used in the data logging mode. The trigger may either be in feet/meters or seconds.
Pressing CE will toggle between the FEET (METER) and SEC.
DATA LOG OFF
Turns the data logger on and off.
Note:
The trigger value must be set to a figure other than zero in order to
toggle DATA LOG to ON.
PRESS ENTER TO
CAL PRESSURE
Used to set the zero point of the pressure transducer for pressure display.
OFF RATE PERCENT
30
Used to set the percent of off-target value. The alarm sounds when the actual rate is off
from the target rate by a specified percentage. The off-target value is preset to 30%, but
may be changed to a different number.