Microphone Port - sauter SW 1000 Instruction Manual

<Backlight>:
It is used to switch on/off the LCD display: you can set the backlight delay in the
menu. Further details are provided in section 4.4.2 Backlight.
<START/STOP>:
It is used to start/stop the measurement.
<▲>:
The up arrow key is used to choose the options on the menu or to change the
parameters.
<▼>:
The down arrow key is used to choose the options from the menu or to change
the parameters.
<◄>:
The left arrow key is used to choose the options from the menu, to change the
parameters or to switch between the measurement screens.
<►>:
The right arrow key is used to choose the options from the menu, to change the
parameters or to switch between the measurement screens.
<MENU>:
It is used to open the main menu list.

2.2 Microphone port

The TNC connector located on top is used to connect the microphone and pre-
amplifier (normally the microphone and pre-amplifier are installed together in a single
casing). The TNC connector is a threaded concentric connector.
The SW 1000 gauge is equipped with a Class 1 microphone, and the SW 2000
gauge – with a Class 2 microphone:
SW-A01:
Pre-polarised 1/2" measuring microphone, Class 1. Sensitivity: 50 mV/Pa. Fre-
quency range: 10 Hz to 20 kHz. Common casing with an ICCP pre-amplifier,
power supply: 4 mA/24 V.
SW-A02:
Pre-polarised 1/2" measuring microphone, Class 2. Sensitivity: 40 mV/Pa. Fre-
quency range: 10 Hz to 12.5 kHz. Common casing with an ICCP pre-amplifier,
power supply: 4 mA/24 V.
The microphone and pre-amplifier are interconnected (screwed) with a thread. Do not
disconnect them under any circumstances. The microphone is an accurate measur-
ing sensor – a long contact with an environment of a high humidity or dustiness may
cause its damage. If the microphone is not used, store it in the box provided.
12 SW-BA-e-1710