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7. INDICATION/OPERATION PANEL
7.1 Name and description of each component of indication/operation panel
Part Name Description
q Component indication Indicates kind of gas measured.
w Main indication Indicates measured concentration. Also indicates various set-points for alarm function, auto
calibration function (option), etc.
e Unit indication lamp Indicates units of measured gas concentration.
r Day indication
Indicates current day or day of starting by means of bar in auto calibration (option) setting mode.
Indication SU MO TU WE TH FR SA
Day Sun. Mon. Tue. Wed. Thu. Fri. Sat.
t Sub indication Indicates measuring range, error code, various set points, etc.
y Range changeover key Used when changing the range. High range is set when pressing
and low range is set when
pressing
.
u Function indicator lamp Relevant lamp lights up when following functions are set.
MEAS: Lights up in measuring status.
CAL SET: Flashes in calibration concentration setting mode.
ALM SET: Flashes in alarm setting mode.
HOLD: Flashes in hold setting mode or lights steadily while hold function is activated.
RMT RANGE: Flashes in remote range setting mode or light steadily while remote range function is activated.
AUTO CAL: Flashes in auto calibration setting mode or lights steadily while auto calibration function is
activated.
i Function key Setting mode is changed at each press of this key (Refer to Section 5).
o Component selector key Set component is changed for each setting mode.
!0 Digit shift key Shift is made from highest toward lowest digit at each press of this key.
!1 Numeric input key Selected digit is incremented at each press of this key.
!2 ENT key By pressing this key after setting, the set contents are memorized and becomes valid.
!3 Zero calibration key Used for zero point calibration. (Lamp flashes in zero calibration mode.)
!4 Span calibration key Used for span calibration (Lamp flashes in span calibration mode.)
!5 Calibration start key
Start key for manual calibration. Zero is calibrated by pressing ZERO and CAL keys.
Span is calibrated by pressing SPAN and CAL keys. (CAL lamp lights steadily during calibra-
tion).
NO
X
SO
2
O
2
SU TU TH SA
MOWE FR
Vol%
ppm
Vol%
ppm
Vol%
HOLD
FUNC COMP ENT ZERO SPAN CAL
AUTO SALHEAS CAL SET SET RANCE
RANCE
RANCE
RANCE
2 Main indication
1 Component indication
3 Unit indication lamp
4 Day indication
5 Sub indication
6 Range changeover switch
8 Function key
7 Function indicator lamp
9 Component selector key
10 Digit shift key
11 Numeric input key
15 Calibration start key
14 Span calibration key
13 Zero calibration key
12 ENT key
(Three component of NOx, SO
2 and O2 are indication in this figure.)