SC-100A manual
9
Version 3.1c
Yello
w
LED
s
Section
Equipment Required
Description
6.SO
2
Voltage
SO
2
probe or
SO
2
probe simulator.
The raw voltage output from the
instrument's current amplifier is
displayed as X.XX volts. (.XXX if less
than 1.00)
7.DAC Test
None.
Disconnect probe.
The Digital-Analog Converter (DAC) is
cycled through its 32 levels.
8.Battery
Voltage
Install two AA
batteries
The battery voltage is displayed as X.XX
volts.
9.Character
Set
None.
Every ASCII character (space) to ~ is
displayed. Due to the limitations of the
7-segment format, some characters are
not used by the software.
10. Number
Display
None.
The display cycles through showing
every possible digit and every decimal
point.
11.Sound
Test
None.
The beeper is turned on continuously.
12. pH CAL
values
None.
[only firmware
v3.0.6 and later]
[NA]
Displays current CAL values for
pH 7 and 4, in mV. Pressing ENTER
cycles between these. If a pH CAL reset
has been done, displays CAL value for
pH 3 rather than 4.
13.
pH CAL
reset
None.
[only firmware
v3.0.6 and later]
[NA]
Displays “
PrESS EntEr
”; Press
ENTER to reset pH CAL parameters to
default values. Message “
Good CAL
rSt
” then scrolls.
14.
pH DAC
Set
None.
[only firmware
v3.1.2 and later]
[NA]
Displays “
PH DaC Set
” then
displays the DAC index for pH bias
voltage, followed by the voltage value
itself.
15.
SO
2
Baseline
None. Disconnect SO
2
electrode
[only firmware
v3.1.0 and later]
Sets baseline value for SO2 mode. Let
message scroll 5 sec., during which time
of the baseline is automatically set.
Normal values are 0.02 to 0.10
16.
TA
endpoint
None
[only firmware
v3.1.2 and later]
[NA]
Displays “
seT Ta PT
”
then
displays TA endpoint value. Press ENTER to
toggle between default of 8.2 (USA standard)
or 7.0 (European standard).
