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Rel. 2.00 - 05/09/22
17
PV
204
EN
DESCRIPTION
OF FUNCTION KEYS
4
For a complete description of the instrument refer to § 9 of the user manual.
ON/OFF KEY
4.1
By pushing
ON/OFF
key permits to turn on and off the instrument. The same key is
used also to disable the Auto Power OFF (APO) feature (see § 4.3.10).
W/M
2
KEY
4.2
Press the
W/m2
key to select the measuring unit of sunlight irradiation in W/m
2
correspondent to International System. The function is not active with MAX, or MIN
features enabled
BTU KEY
4.3
Press the
BTU
key to select the measuring unit of sunlight irradiation in BTU/(ft
2
*h)=
British Thermal Unit / square feet / hours) correspondent to UK system. Is valid the
conversion relationship: 1W/m
2
= 0.3169983306 BTU/(ft
2
*h). The function is not active
with MAX, or MIN features enabled
HLD KEY
4.4
By pushing
HLD
key the instrument’s measured value is frozen on the display and the
symbol “HOLD” appears on it. The function is not active with MAX, or MIN features
enabled.
RNG KEY
4.5
Press the RNG key to change the measuring range of the instrument noting the
displacement of the relative decimal point on the display. The function is not active
with MAX, or MIN features enabled
MAX KEY
4.6
Press the
MAX
key to display the Maximum value of the measured quantity,
automatically updated when a higher value is detected. The "MAX" symbol is shown
on the display. Press longer MAX key (>1s) to exit the function.
MIN KEY
4.7
Press the
MIN
key to display the Minimum value of the measured quantity,
automatically updated when a lower value is detected. The "MIN" symbol is shown
on the display. Press longer MIN key (>1s) to exit the function
ZRO KEY
4.8
Press the
ZRO
key to carry out the automatic zeroing of the value on the display in
case the indication “000” should be absent when placing the protection cover onto the
photodiode sensor. The message “AdJ” is shown on the display during this operation.
The message “CAP” is shown on the display in case the
ZRO
key is pressed with the
protection cover not positioned on the sensor. Insert the cover and repeat the operation,
if necessary. The function is not active with MAX, or MIN features enabled
KEY
4.9
Press the key to active/disable the display backlight
DISABLING THE AUTO POWER OFF FUNCTION
4.10
To preserve the instrument’s internal battery, the instrument switches automatically off
approximately 5 minutes after it was last used. The symbol “ ” appears on the display.
To disable the Auto Power Off function, proceed as follows:
• Switch on the instrument.
• Press longer
ON/OFF
key (>1s). The symbol “ ” disappears from the display
• Press again longer
ON/OFF
key (>1s) or switch off and then on the instrument to
automatically enable the function
Summary of Contents for PV204
Page 1: ...USER MANUAL USER MANUAL PV204 ...
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