1 Input A, DIN 45326 8-pole connector.
2 HOLD symbol, the measurement refers to the moment in which the HOLD key was pressed.
3 Battery symbol: flashes during RECORD function, permanently lit if the battery is running low
4 REL symbol, indicates that the instrument is making a relative measurement.
5 Serial Out/Memory. Fixed symbol: the instrument is storing. Flashing symbol: serial output is
enabled.
6 MED symbol: the display shows the mean values found during RCD function.
7 Q: instrument in Q-energy function, flashes when it has reached the limit.
8 Time: the display indicates the integration time, if flashing it has reached the time programmed
for integration.
9 Lux: the led indicates that the measurement is in lux.
10 µW/cm
2
: the led indicates that the measurement is in µW/cm
2
.
11 µmol/m
2
s: the led indicates that the measurement is in µmol m
–2
s
–1
.
12 REL key: shows the difference between the current value and the value stored when the REL
key is pressed.
13 HOLD key for blocking the reading.
14 Unit A key: for selecting the measurement unit for input A, depending on the probe fitted. When
turned to P0 mode, it sets the Q-energy and Time limits for input A.
15 Serial Output: activates data transmission at the RS232C serial output.
16
s
(Memory clear): increases the parameters in programming mode; when held down it erases
the “RCD” memory; when pressed with P1, it erases the permanent memory.
17 PROG key: activates the programs P0... P1... P... of the different instrument functions.
18 Connector for RS232C (SUB D male 9 pole).
19 Input B, DIN 45326 8-pole connector.
20 Symbol 10
3
: indicates multiplication factor 10
3
for the respective channel .
21 Symbols A and B: for magnitudes Q and T indicate the channel selected.
22 A-B: the bottom display shows the difference between A and B. The top display shows A.
23 MIN symbol: the display shows the minimum values found during RCD function.
24 MAX symbol: the display shows the maximum values found during RCD function.
25 °C: the led indicates that the temperature measurement is in degrees Centigrade.
26 °F: the led indicates that the temperature measurement is in degrees Fahrenheit.
27 fcd: the led indicates that the measurement is in fcd (foot-candle).
28 W/m
2
: the led indicates that the measurement is in W/m
2
.
29 cd/m
2
: the led indicates that the measurement is in cd/m
2
.
30 On/Off key: for switching the instrument on or off.
31 Unit B key: for selecting the measurement unit for input B, depending on the probe fitted. When
turned to P0 mode, it sets the Q-energy and Time limits for input B.
32 A-B key: shows the difference between the inputs.
33 Data Call key (Max - Min - Med - Q - Time): recalls on the display the maximum, mean, mini-
mum, Q and Time values of each input.
34
t
(RCD): starts and stops the RECORD function, in programming mode it decreases the para-
meter shown.
35 ENTER key: starts and stops storage, confirms the parameters set during programming.
78
ENGLISH
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