TSI Instruments PORTACOUNT 8020 Addendum page 5

P C ® Plus Model 8020 Technical Addendum
ORTA OUNT
DIP Switch 4: Memory Lock
Switch 4 allows you to lock the P
the sampling times, fit factor pass level and number of exercises cannot be changed from
the P C Plus Keypad or by using the MODIFY program software supplied with
ORTA OUNT
the instrument. The reason you might want to lock memory is to prevent unauthorized
persons from altering the fit test protocol. The factory setting for switch 4 is ON which
means that memory lock feature is OFF and the internal settings can be changed using the
Keypad or software. The FitPlus software is not affected by DIP switch 4.
Memory
Unlocked
Locked
DIP Switch 5: Factory Checkout
Switch 5 is used by TSI when performing factory checkout of the P
should always be in the ON position for normal use.
Mode
Checkout
Normal
DIP Switch 6: Reset Factory Settings on Power Up
Switch 6 should always be left ON unless you want to reset all the internal settings back
to the way they were when the P
When switch 6 is OFF, the P
the power is turned on. Once the power is turned back on, you will be able to change the
internal settings (unless switch 4 is OFF), but they will be reset to the factory values the
next time the power is turned off and then on again.
If you want to reset the internal settings back to the factory values, move switch 6 to the
OFF position and then start the P
change switch 6 back to the ON position. The instrument will be reset and you will be
able to permanently change the internal settings. The factory settings are:
Fit Factor Pass Level:
Number of exercises:
Ambient Purge Time
Ambient Sample Time
Mask Purge Time
Mask Sample Time, All exercises:
DIP Switch 7: Reserved
Switch 7 must always be left ON.
DIP Switch 8: Use CTS
When switch 8 is on (the factory setting), the P
To Send (CTS) signal in order to send data through the RS-232C Data Port to a
C Plus memory so that the internal settings for
ORTA OUNT
Switch 4
ON
OFF
Switch 5
OFF
ON
C Plus was new.
ORTA OUNT
C Plus will reset back to the factory settings when
ORTA OUNT
C Plus. Now turn the P
ORTA OUNT
ORTA
TSI Incorporated, St. Paul, Minnesota, USA
Copyright © 2001 all rights reserved
revised 7-27-2001
C
ORTA OUNT
C
ORTA OUNT
100
8
4 sec
5 sec
11 sec
40 sec
C Plus will not require a Clear
OUNT
Plus and
Plus off and
5