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1 Input A socket, DIN 8-pole connector
2 Display
3 REL: the symbol indicates that the instrument is storing the Maximum, Minimum
and Q energy values
4 MAX: the symbol indicates the maximum value of the chosen unit
5 MIN: the symbol indicates the minimum value of the chosen unit
6 A, B, A-B: the symbol indicates the relative value at the input A, B, or the differen-
ce between the two inputs A-B
7 AUTO: the symbol indicates that the automatic change of scale device is enabled
8 °C/°F: key for selecting temperature reading in °C or °F
9 lx/fcd: key for selecting reading in lx=lux or fcd=footcandle
10 Data reset: the key erases the memory of the maximum, minimum and Q energy
values and the integration time
11 REC: when this key is pressed, the maximum, minimum and Q energy values and
the integration time in seconds, minutes, hours, are stored and updated
12 Itime: when this key is pressed in sequence, the integration time that has elapsed
appears on the display in s=seconds, m=minutes and h=hours
13 MAN: key for choosing the working scale manually
14 , Serial out: the key has two functions. The first of these, when pressing the Q
key, makes the value advance towards the top of the acoustic alarm signal inter-
vention threshold, the second enables the serial output for one item only and, if
pressed for more than 3 seconds, enables the serial output continuously with a
fixed rate of 10 seconds
15 Q energy: when the key is pressed, followed by the and keys, this sets the
threshold value above which the alarm intervenes
16 A: key for activating the display of input A
17 A-B: key for activating the display of the difference between inputs A and B
18 SUB D male 9-pole connector. The cable with electronics for the serial output
RS232C, code AD RS232C, may be coupled to this connector
19 Input B socket, DIN 8-pole connector
20 X10
-8
: multiplication factor for the chosen unit; this may be 10
3
, 10
6
, -10
3
, or -10
6
21 lx: symbol indicating that the reading is in lux
22 E/m
-2
•s: symbol indicating that the reading is in µEinstein
23 fcd/m
2
: symbol indicating that the measurement is in footcandle m
2
24 °C: symbol indicating that the temperature measurement is in °C
25 °F: symbol indicating that the temperature measurement is in °F
26 Wm
2
: symbol indicating that the measurement is in Wm
2
27 Q energy: symbol indicating the quantity of energy in the integration time X
28 m: integration time in minutes
29 s: integration time in seconds
30 h: integration time in hours
31 ON/OFF: key for switching the instrument on or off
32 DATA CALL: key for calling and reading on the display the stored maximum, mini-
mum and Q values
33 AUTO: this key enables the automatic change of scale function of the instrument
34 , after the Q energy key has been pressed, this key reduces the threshold value
above which the acoustic alarm intervenes
35 B: key for activating the display of input B.
ENGLISH
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