Extech Instruments 480836, Руководство пользователя

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480836 V5.0 8/09 7
4.0 - Operation
4-1 Front Panel Description
(1). E-field sensor.
(2). LCD display.
(3). MAX/AVG/
↵
key :
c Press this key to scroll through the following:
“Instantaneous”
→
“Max. instantaneous”
→
“Average”
→
“Max. average”.
d In the read mode, press this key to exit.
e In the alarm setting mode, press this key to store the
setting value.
f Press and hold this key while turning the meter on to
disable the audible sound. The “
” symbol will
disappear.
(4). MODE/ALARM key :
c Press this key to change the sensor axis: “XYZ axis”
→
“X axis”
→
“Y axis”
→
“Z axis”.
d Press and hold this key while turning the meter on to
switch the device to the alarm setting mode.
e Press this key for 2 seconds to switch the alarm
function on or off.
(5). UNIT/ key :
c Press this key to change the units: “mV/m or V/m”
→
“
μ
A/m or mA/m”
→
“
μ
W/m
2
or mW/m
2
or W/m
2
“
→
“
μ
W/cm
2
or mW/cm
2
“
d Press this key for 2 seconds to turn the backlight on. The backlight turns off
automatically in 15 seconds later.
e Press and hold this key and turn on the meter again to disable the backlight auto off
function.
(6). key : Press this key to turn the meter on or off.
(7). MEM/ ▲ key :
c Press this key momentarily to store one data set to memory.
d Press and hold this key while turning the meter ON to enter the manual clear
recorded data mode.
e In the manual data reading mode, press this key to read the next stored data.
f In the alarm setting mode, press this key to increase the setting value.
(8). READ / ▼ key :
c Press this key to switch to the manual data reading mode.
d Press and hold this key while turning the meter on to disable the auto power off
function.
e
In the manual data reading mode, press this key to read the previous stored data.
f In the alarm setting mode, press this key to decrease the setting value.