Table of Contents
Advertisement
7
Operating the STAP
7 = INITIALIZED (ready to take absorption readings)
The STAP automatically starts up with fltstat in INSTALL_HEPA state. At power up flt-
stat = 1, the possible next states are 0, 2 or 3. If fltstat is set to 2 or 3, use the "read"
command to monitor fltstat. Once fltstat = 6, then set fltstat = 7 after the HEPA filter
has been removed.
For the front panel, this means the startup page is the FILTER page. The front panel has
instructions which guide users through the filter states.
7.4 Startup & Shutdown
Start the STAP by applying 12V power to the mainboard after new filters have been in-
stalled if necessary. Turn SD Save to 'On' if data is to be stored locally. Install a HEPA
filter on the inlet for the warm up period and confirm low readings from the unit while
sampling from the filter. Remove the filter for normal operation.
Shutdown the STAP by turning SD Save to 'Off' and then removing 12V power from the
unit. Be sure to practice good electrostatic discharge procedures if the STAP will be
moved.
7.5 Front Panel & Firmware
Although it is possible to run the STAP without the mini front panel, using the mini
front panel makes operating the STAP much easier. The mini front panel has a four line
character display with a data knob for user input. As well as turning, the data knob can
be pressed. A short press will move the onscreen cursor and change the item that the
data knob adjusts. A long press will take users from "READINGS" mode to "DEFAULT
SETTINGS" mode and back again. Settings are saved when going from "DEFAULT SET-
TINGS" mode back to "READINGS" mode. The sections below discuss the details of each
menu in the STAP firmware.
83-00036-01A
STAP 9406
Page 29 of 46
Advertisement
Table of Contents
