sauter SW 1000 User manual

Sauter GmbH
Ziegelei 1
D-72336 Balingen
E-mail: [e-mail]
Telephone: +49-[0]7433-9933-199
Fax: +49-[0]7433-9933-149
Web: www.sauter.eu
Instruction Manual
Sound Level Meter
SAUTER SW 1000/SW 2000
Version 1.0
05/2017
GB
SW-BA-e-1710
PROFESSIONAL MEASUREMENTS

2SW-BA-e-1710
GB
SAUTER SW 1000/SW 2000
Version 1.0 05/2017
User Manual
Sound Level Meter
Congratulations on your purchase of a high-quality sound level meter by SAUTER.
We wish you a lot of pleasure and satisfaction in using our top-quality gauge with a
comprehensive range of functions. Should you have any questions, we remain at
your disposal.
Table of contents:
Appearance............................................................................................................... 5
Operating keys.......................................................................................................... 6
1Introduction.................................................................................................... 6
1.1 Overview.................................................................................................................................... 6
1.2 Applications.............................................................................................................................. 7
1.3 Functions .................................................................................................................................. 7
1.4 Function updates...................................................................................................................... 7
1.5 Specification ............................................................................................................................. 8
1.6 Information on regular tests.................................................................................................. 10
1.7 Main components................................................................................................................... 10
1.8 List of parts............................................................................................................................. 10
1.9 Graphic representation of delivery package ....................................................................... 11
2View and operation...................................................................................... 11
2.1 Keyboard................................................................................................................................. 11
2.2 Microphone port..................................................................................................................... 12
2.3 Wind shield .................................................................................................................................... 13
2.4 Data socket and power socket..................................................................................................... 13
2.5 Battery ............................................................................................................................................ 14
2.6 GPS................................................................................................................................................. 15
3. Measurement screen.......................................................................................... 16
3.1 Screen symbols and their meanings........................................................................................... 16
3.2 Screen in the level measurement mode...................................................................................... 17
3.3 1/1 Octave Mode screen................................................................................................................ 19
4. Operation and setting the menu........................................................................ 20
4.1 Function ......................................................................................................................................... 20
4.2 Calibration...................................................................................................................................... 20
4.2.1 Calibration by measurement ........................................................................................................ 21
4.2.2 Calibration by calibration factor.................................................................................................... 21
4.2.3 Calculation of calibration factor and sensitivity ............................................................................ 21
4.2.4 Calibration by measurement ........................................................................................................ 21
4.3 Measurement ................................................................................................................................. 23
4.3.1 Measurement setup...................................................................................................................... 23
4.3.2 Measuring range........................................................................................................................... 25
4.3.3 ICCP Power.................................................................................................................................. 25
4.3.5 Alarm Threshold........................................................................................................................... 26
4.3.6 Extended Function........................................................................................................................ 26
4.3.7 Statistical ...................................................................................................................................... 26
4.3.8 Time History ................................................................................................................................. 27
4.3.9 Octave Threshold......................................................................................................................... 27
4.3.10 Custom Measure........................................................................................................................ 27

SW-BA-e-1710 3
4.3.11 Timer .......................................................................................................................................... 27
4.3.12 24 h Measurement with Timer.................................................................................................... 28
4.4 Setup............................................................................................................................................... 29
4.4.1 Contrast........................................................................................................................................ 29
4.4.2 Backlight....................................................................................................................................... 29
4.4.3 Battery.......................................................................................................................................... 29
4.4.4 Trigger .......................................................................................................................................... 30
4.4.5 Date & Time.................................................................................................................................. 30
4.4.6 Auto Power Off............................................................................................................................. 31
4.4.7 RS-232 ......................................................................................................................................... 32
4.4.8 File Manager................................................................................................................................. 32
4.4.9 Boot Mode .................................................................................................................................... 33
4.4.10 USB Mode .................................................................................................................................. 34
4.4.11 GPS............................................................................................................................................ 35
4.4.12 Setup Template.......................................................................................................................... 35
4.4.13 About .......................................................................................................................................... 35
4.5 Language........................................................................................................................................ 35
4.6 Output............................................................................................................................................. 36
4.6.1 AC OUT........................................................................................................................................ 36
4.6.2 DC OUT........................................................................................................................................ 36
4.6.3 Printer........................................................................................................................................... 37
4.7 Factory Settings ............................................................................................................................ 37
5. RS-232 Data Transmission Protocol................................................................. 38
5.1 Hardware configuration and interface settings.......................................................................... 38
5.2 Transmission protocol.................................................................................................................. 38
5.2.1 Beginning and end of block transmission..................................................................................... 39
5.2.2 Device ID...................................................................................................................................... 39
5.2.3 Attribute character (ATTR)........................................................................................................... 39
5.2.4 Block check character (BCC) ....................................................................................................... 39
5.2.5 Block transmission format ............................................................................................................ 40
5.2.6 Restoration after transmission errors ........................................................................................... 41
5.2.7 Flow control .................................................................................................................................. 41
5.2.8 Operation with several devices .................................................................................................... 41
5.2.9 Nominal parameters..................................................................................................................... 42
5.3 Instructions.................................................................................................................................... 42
6. Operation guidelines.......................................................................................... 43
6.1 Operation........................................................................................................................................ 43
6.2 Troubleshooting............................................................................................................................ 43
6.3 Calibration...................................................................................................................................... 44
6.4 Firmware updating ........................................................................................................................ 44
6.4.1 Installation of USB driver.............................................................................................................. 44
6.4.2 Firmware updating procedure ...................................................................................................... 45
6.5 Warranty......................................................................................................................................... 46
6.6 Service Department telephone number ...................................................................................... 46
Glossary.................................................................................................................. 46
Appendix 2.............................................................................................................. 48
Weightings for the sound level meter and sound broadcasting around the
microphone at typical building reflections........................................................... 48
Appendix 3.............................................................................................................. 49
Weightings related to the use of a wind shield outdoors ................................... 49
Appendix 4.............................................................................................................. 50
Electret microphone weightings ........................................................................... 50
Appendix 5.............................................................................................................. 51
Typical frequency response and corresponding upper limits............................ 51

4SW-BA-e-1710
Appendix 6.............................................................................................................. 52
Technical data of 1/1-octave filter......................................................................... 52

SW-BA-e-1710 5
Appearance
Microphone and pre-amplifier
Battery
LR6/AA/AM3
Anti-slip surface
Illuminated LCD
display
LED indicator
Power socket
(7–14 V)
AC/DC output switch

6SW-BA-e-1710
Operating keys
1 Introduction
1.1 Overview
The SW 1000/SW 2000 gauges are a new generation of measuring instruments with
an octave analyser which meets the market requirements and is based on the basic
SW 1000/200 instrument. The meter meets the requirements of IEC standard and the
Chinese GB/T standard for measuring instruments with 1/1-octave analysers.
The SW 1000/SW 2000 gauge is a digital sound level meter developed and manufac-
tured by KERN. The instrument with a 24-bit analogue-digital converter with a very
high accuracy is a perfect choice for various measuring activities, such as measure-
ment of noise generated in the environment, by vehicles or in industrial applications.
The new types are equipped with a single-chip ARM processor with two cores
(DSP+ARM) and a floating-point co-processor, so they perform floating-point calcula-
tions instead of fixed-point calculations, which considerably improves their accuracy
and stability. The re-designed input module additionally reduces own noises and en-
hances the linear measuring range. The new algorithm supports only one measuring
range which includes a dynamic range above 120 dB, but despite that it still meets
the requirements of the standard.
The SW 1000 meter is a Class 1 gauge, and the SW 2000 is a Class 2 gauge.
Status indicator
Power
ON/OFF
ESC
Navigation
keys
<▲˃ <▼˃
<◄˃ <►˃
Backlight
LCD display
ENTER
START/STOP
Menu

SW-BA-e-1710 7
1.2 Applications
Simple noise measurements
Determination of environmental noise
Product quality control
Assessment of technical activities for noise reduction
1.3 Functions
Class 1 (SW 1000) and Class 2 (SW 2000)
Sound Level Meter
Meets the requirements of IEC 61672-1:2013, ANSI S1.4-1983 and ANSI S1.43-
1997
The 1/1-octave analyser is in accordance with IEC 61260-1:2014 and ANSI S1.11-
2004
Linearity range: 20 dBA to 134 dBA (SW 1000), 25 dBA to 136 dBA (SW 2000)
Dynamic range: above 123 dB for SW 1000 and above 122 dB for SW 2000
Frequency weighting: A/B/C/Z; time constant: fast/slow/pulse
3 profiles and 14 measurements defined by the user and calculated simultaneously
with different frequency weightings / time constants
Calculation of SPL, LEQ, Max, Min, Peak, SD, SEL and E values
LN statistics and display of the time curve
User-defined integral interval measurement up to a maximum of 24 hours
Extremely fast ARM processor with a floating-point coprocessor, ensuring a wide
frequency response, high dynamic range and low own noise
MicroSD (TF) card with 4 GB capacity as a bulk storage carrier
RS-232 remote control interface
Thermal mini-printer for printing of measurement data
Internal GPS module (option), GPS time support
1.4 Function updates

Single-chip, extremely fast ARM
processor with a floating-point co-
processor

Implemented USB port

LCD display with a white backlight

Firmware updates using the USB port
(power supply also through the USB)
Integration period: 1 s to 24 h
Support of automatic measurements
with the timer function

New logging steps: 0.1 s, 0.2 s and
0.5 s

Internal GPS module (option) with
GPS time support

5 templates for user data saving

Only one measuring range covering a
dynamic range of more than 123 dB

B-weighting complemented with
ANSI standard

Low own noise (only in Class 1 gauge)

Automatic activation with an external
power supply, easy integration
Upper measuring range limit:
134 dBeff/137 dBeff (50 mV/Pa)

8SW-BA-e-1710
1.5 Specification
Technical data
Type
SW 1000
SW 2000
Accuracy
Class 1 (Group X)
Class 2 (Group X)
Standard
GB/T 3785.1-2010, IEC 60651:1979, IEC 60804:2000
IEC 61672-1:2013, ANSI S1.4-1983, ANSI S1.43-1997
Octave1
average frequencies of the 1/1-octave filter: 31.5 Hz to
16 kHz
GB/T 3241-2010, IEC 61260-1:2014
ANSI S1.11-2004
average frequencies of the 1/1-octave filter: 31.5 Hz to
8 kHz
GB/T 3241-2010, IEC 61260-1:2014
ANSI S1.11-2004
Microphone
MPA231T: pre-polarised 1/2”
measuring microphone, Class 1,
sensitivity: 50 mV/Pa, frequency
range: 10 Hz to 20 kHz
MPA200T: pre-polarised 1/2”
measuring microphone, Class 2,
sensitivity: 40 mV/Pa, frequency
range: 20 Hz to 12.5 kHz
Microphone port
TNC connector with ICCP (4 mA) power supply
Detector/Filter
fully digital signal processing by floating-point coprocessor
(digital detector and filter)
Integration period
User-defined integration period within a range of 1 s–24 h [User].
repetition time: indefinite or 1 to 9999.
Logging step
0.1 s, 0.2 s, 0.5 s; 1 s to 24 h
Measuring
functions
LXY(SPL), LXeq, LXYSD, LXSEL, LXE, LXYmax, LXYmin, LXPeak, LXN. Where:
X means frequency weighting: A, B, C, Z; Y means time constant;
F, S, I; N means statistic measurement: 1 to 99; 3 profiles and 14
user-defined measurements calculated simultaneously with differ-
ent frequency weightings / time constants
24 h measure-
ment
automatic measurement as per the date and time settings defined
by the customer, and history data recording
Frequency
weighting parallel: A, B, C, Z
Time constant
parallel detection of F, S, I and Peak values
Own noise
2
sound: 18 dB(A), 23 dB(C), 31 dB(Z)
electrical data: 11 dB(A), 16 dB(C), 21 dB(Z) sound: 20 dB(A), 26 dB(C), 31 dB(Z) electrical data: 14 dB(A), 19 dB(C), 24 dB(Z)
Upper limit2
134 dB(A)
increase up to 154 dB(A) using
a 50 mV/Pa microphone
136 dB(A)
increase up to 154 dB(A) using
a 50 mV/Pa microphone
Frequency
response110 Hz to 20 kHz 20 Hz~12.5 kHz
Linearity
Range2, 3 20 dB(A) to 134 dB(A) 25 dB(A) to 136 dB(A)
Dynamic range2
123 dB (11 dB(A) to 134 dB(A))
122 dB (14 dB(A) to 136 dB(A))
Peak-C range2, 3
45 dB(A) to 137 dB(A)
47 dB(A) to 139 dB(A)
Electrical input maximum input voltage: 5 Veff (7.07 Vpeak)
input impedance of pre-amplifier > 6 GΩ
Range setting
one range covering the entire dynamic range

SW-BA-e-1710 9
Resolution
24 bits
Sampling
frequency 48 kHz
Time history
displaying noise characteristics as a function of time,
duration of measurement: 1 minute, 2 minutes, 10 minutes
LCD indicator
LCD display, 160 x 160, with white backlight,
14 contract levels, readouts updated every 1 s
Bulk storage
microSD (TF) card with a capacity of 4 GB
Final processing
VA-SLM software for final processing: readout, analysis and re-
port generation based on the data saved
Data export direct computer connection to read the content of memory card
(as a USB disk)
Output
AC output (maximum 5 V
EFF
, ±15 mA),
DC output (10 mV/dB, maximum 15 mA),
serial RS-232 interface and USB port (USB Disk Mode and Mo-
dem Mode)
Alarm
user-defined LED indicator alarm threshold for alarm status dis-
playing
Setup template
5 templates for saving of user settings for different applications,
the template can be stored in the microSD card
Automatic
activation
automatic activation and initiation of measurement by applying the
operating voltage, easy integration
Power supply
4 alkaline 1.5 V batteries (LR6/AA/AM3) are sufficient for approx.
10 hours (depending on the battery), the working voltage can also
be supplied by a direct current source (7–14 V, 500 mA) and a
USB port (5 V, 1 A)
Real time clock
(RTC)
integrated buffer battery was factory calibrated with an error of
< 26 s in 30 days (< 10 ppm, (25 ±16)°C); the buffer battery en-
sures an operating continuity of the system clock also during re-
placement of the main batteries
available GPS time function (option with GPS module)
Language
English, Chinese, Portuguese, Spanish, German, French
Firmware updat-
ing firmware updated using the USB port
Conditions
temperature: –10ºC to 50ºC; humidity: 20–90%, relative humidity
Real-time tem-
perature indication of real-time temperature on the main screen
Dimensions (mm)
70 × 300 × 36 (W × H × D)
Weight
approx. 620 g with 4 alkaline batteries
Option
GPS
type of receiver: 50-channel receiver
time to initial measurement: cold start 27 s, warm start 27 s, hot
start 1 s

10 SW-BA-e-1710
sensitivity: tracking –161 dBm, new measurement –160 dBm, cold
start –147 dBm, hot start –156 dBm
horizontal accuracy of position indication: 2.5 m
accuracy of time indication: 30 ns,
accuracy of speed indication: 0.1 m
refreshing frequency: 1 Hz
operating range limits: dynamics ≤ 4 g, height < 50,000 m, speed
< 500 m/s
Calibrator
CA111, Class 1, 94 dB/114 dB, 1 kHz
Printer
thermal mini-printer, RS-232 socket
Hint 1: For the BSWA 200 gauges, any result above 12.5 kHz can be ignored due to
the frequency response of the microphone installed in Class 2 gauges.
Hint 2: The data were measured using a 50
mV/Pa microphone for SW 1000 meter
and a 40 mV/Pa microphone for BSWA 200 meter.
Hint 3: The measurement meets the requirements of GB/T3785 and IEC 61672
standards.
1.6 Information on regular tests
Reference sound level: 94.0 dB
Reference direction of incidence: parallel to the microphone direction
Microphone reference point: centre of the microphone membrane
Reference direction of incidence: vertical relative to the microphone membrane
1.7 Main components
Name
Manufacturer
Type
Description
Microphone SW-A01 class 1 microphone
SW-A02
class 2 microphone
1.8 List of parts
No.
Type
Description
Standard
1
SW 1000/2000
sound level meter without microphone
2
ICCP pre-amplifier with TNC connector
3 SW-A01/SW-A02
class 1 microphone (1000) or class 2 microphone
(200)
4 Wind shield SW-A03
90 mm wind shield, diameter up to the micro-
phone: 1/2”
5
microSD card SW-A04
4 GB memory card for data storage
6
Battery
4 alkaline batteries (LR6/AA/AM3)
7
Power unit
9 V/500 mA power unit

SW-BA-e-1710 11
8
Mini USB cable
for computer connection
Option
1
GPS module and antenna
2
Tripod SW-A05
stand for the sound level meter
3
Printed user manual
printed user manual
1.9 Graphic representation of delivery package
☆Hint: The details specified in the list of parts may differ depending on the delivery.
2 View and operation
The look of SW 1000 and SW 2000 gauges and keyboards is identical. The LCD dis-
play, keyboard and LED indicators are located on the front side.
2.1 Keyboard
The sound level meter is provided with 10 keys:
<START/STOP>:
To switch on the sound level meter, press and hold this key for 2 s. If the meter
is frozen at the Stop status, press and hold the key for 2 s to open the switch-off
dialogue box, and then press <ENTER> to switch on the sound level meter.
☆Hint: The <ENTER> key does not work during measurement.
<ESC>:
It is used to quit the menu and go back to the previous menu. The <ESC> key is
also used to delete the history curve at the time history display.
<ENTER>:
It is used to call a next menu level, to confirm a change of parameters or to save
the current data in CSD format when the gauge is switched off.

12 SW-BA-e-1710
<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.

SW-BA-e-1710 13
The microphone is equipped with an ICCP power supply. Current technical data of
the power supply: 4 mA, 24 V. Voltage over 30 V may cause damage to the micro-
phone. The SW 1000/SW 2000 sound level meter is equipped with an internal ICCD
power supply which allows a direct connection of a microphone.
Connect the microphone to the TNC connector. Then turn it on the thread, firmly
connecting both elements.
2.3 Wind shield
The sound level meter is supplied with a WS002-9 wind shield used outdoors in
windy environments. Do not use the wind shield if the environment is not exposed to
wind (e.g. when performing measurements indoors).
Firmly press the wind shield onto the microphone all the way, as shown in the figure
above. Further details concerning the wind shield correction outdoors are specified in
Appendix 4.
2.4 Data socket and power socket
The bottom part of the sound level meter includes 7 sockets. Open the rubber cover
to see them.
PWR:
Standard DC power socket (diameter: 2.1 mm) allows you to connect an external
power unit of 7–14 V, 500 mA.
☆Hint: Any external voltage exceeding 14 V may damage the sound level me-
ter!
MiniUSB:
The miniUSB port for computer connection in the USB Disk Mode or Modem
Mode; further information – see 4.4.10 USB Mode. The miniUSB port can also

14 SW-BA-e-1710
be used as an additional external power supply; the power supply must provide
5 V/1 A.
USB Disk Mode: It enables a direct interference in the files stored in the mi-
croSD card; it does not require driver installation.
The miniUSB port is detected by the computer as a serial port (virtual serial port,
driver installation required), and the communication with the sound level meter is
via the RS-232 interface; further information – see section RS-2325 Data Ex-
change Protocol.
☆Hint: The power supply must provide a current of minimum 1 A, and the
cable must ensure the flow of such current (do not use ferrite balls for
power supply). Choose the operating mode after connecting the device to the
computer. Otherwise the USB port may not be detected by the computer. If you
choose the modem mode, a simultaneous operation of the miniUSB and RS-
232 ports is impossible.
MicroSD card:
MicroSD card socket: used to connect the microSD card to save SWN, OCT and
CSD files. We recommend using a card reader, not the USB Disk Mode, for mi-
croUSB card formatting. The microSD card delivered with the sound level meter
is pre-formatted.
☆Hint: When inserting the microSD card, hold it face front (anti-scratch protec-
tion).
RS-232:
The socket can be used as a standard RS-232 interface in the remote mode
and to connect a thermal printer in the printer mode. Detailed information, see
4.6.3 Printer and 5. RS-232 Data Exchange Protocol.
TRIGGER:
Trigger input with a standard 3.5 mm headphone socket. Detailed information,
see 4.4.4 Trigger.
DC OUT:
DC output with a standard 3.5 mm headphone socket. Detailed information, see
4.6.2 DC OUT.
AC OUT:
AC output with a standard 3.5 mm headphone socket. Detailed information, see
4.6.1 AC OUT.
2.5 Battery
We recommend using 4 alkaline batteries (LR6/AA/AM3); consider the battery polar-
ity (+/-) and marking in the battery container. Do not use old and new batteries at the
same time. Take out the batteries if the device is not used. The total voltage at 4 bat-
tery cells should not exceed 14 V, otherwise the sound level meter may get dam-
aged.
Practical tests have shown that 4 alkaline battery cells are sufficient for almost 10
operating hours (depending on the batteries). If you use Eneloop BK-3HCCA/4BC
batteries (rated capacity: 2,450 mAh), the sound level meter can operate continu-

SW-BA-e-1710 15
ously for almost 12 hours. If the battery voltage drops below the minimum voltage
required for the meter operation, the gauge will automatically switch off.
In case of a long operation, we recommend using an external power supply or USB
power supply.
Insert and replace the batteries as shown in the figure below:
Turn the lock right to enable cover removal. Remove the cover from the battery con-
tainer.
Replace the batteries and then close and lock the battery container cover.
2.6 GPS
GPS antenna located on top of the sound level meter with a GPS option.
☆Hint: The user must know before shipment whether the GPS function is required,
otherwise it will be necessary to return the sound level meter to the factory in order to
install the GPS module.
The GPS properties are influenced by two factors: satellite ephemerides and the sig-
nal-to-satellite noise ratio.
Satellite ephemerides: Information on the GPS satellite orbit. Based on the
ephemerides, satellite position signal and time, you can specify the current loca-
tion. The satellite ephemerides should be downloaded from the GPS satellite, but
the downloading speed is very low (approx. 50 bps) and depends on the satellite
signal power. A high bit error rate may cause a longer or unsuccessful downloading
of the ephemerides. Once the GPS module is deactivated, the sound level meter
can store the ephemerides for approx. 30 minutes. The ephemerides remain valid
for only 2 hours.
Signal-to-satellite noise ratio: Power of satellite position signal. The signal power

16 SW-BA-e-1710
is lower during rain or indoors.
The GPS mode has 3 start modes: cold start, warm start and hot start.
The initial position determination, when the current ephemerides must be
downloaded, requires more time.
The GPS module stores the last location information data saved, but it requires
another downloading of the ephemerides, as they are obsolete. The warm start re-
quires almost the same time as the cold start.
The GPS module includes the current ephemerides, so the position can be deter-
mined in a very short time.
3 Measurement screen
The sound level meter has two measuring modes: Level Measurement and 1/1 Oc-
tave Measurement. The user can choose the type of measurement in the Function
menu.
The level measurement includes 8 screens that you can switch using the navi-
gation keys <◄> i <►>. The 8 screens are: home, 3 profiles, LN statistics, time his-
tory, custom measurement 1, custom measurement 2, GPS 1 and GPS 2.
The 1/1 octave measurement includes 4 screens: octave bar chart and octave ta-
bles 1 to 3.
3.1 Screen symbols and their meanings
All the symbols on the home screen are active, their meanings are specified below:
Start/Stop. Defines the measurement status.
Overload or exceeding the lower range limit. If the arrow is
displayed continuously, the current status is “Overload” or
“Excess of lower range limit”. The unfilled arrow indicates if
the lower range limit was exceeded or the device was over-
loaded during integration. Upon starting a new integration
period, the symbol of overload or excess of the lower range
limit is deactivated.
Status of ICCP module. It is shown when the ICCP module

SW-BA-e-1710 17
is deactivated.
Trigger status. It is shown when the trigger is active.
RS-232 interface status. The symbol is shown in the re-
mote mode, and the symbol — in the printer mode.
Timer status. The symbol indicates that the timer is ac-
tive and was activated only once. The symbol indicates
that the timer is active and will be activated again.
Status of microSD memory. It is shown when the microSD
memory is active.
Switch-off status. The following symbols are shown, from left
to right: external power supply, battery power supply (with
voltage indicator), USB power supply.
Measurement calculation mode.
Filter status.
Detector status.
Profile symbol. Shows the profile number of the current indi-
cation.
Measured value.
Visualisation and displaying of measured values in the cur-
rent measuring range as a dynamic bar indicator.
Date and time.
Current screen number and total number of screens.
Ambient temperature indicator.
The symbol refers to the integration period, the symbol
shows the current time. The measurement will stop when
the current time equals to the total measurement time (inte-
gration period * repetitions).
The symbols are displayed in such a sequence all the time. All the symbols can be
seen on each screen and always have the same meaning.
3.2 Screen in the level measurement mode
Home screen
Indication of measurement data, information on the filter,
detector, mode and profile number. The home screen only
shows the group of data from one of the 3 profiles. To
switch between the 3 profiles, press the navigation keys
<▲> and <▼> simultaneously.

18 SW-BA-e-1710
3 profiles
Indication of data and the relevant measurement mode,
information on the filter and profiled measurement detec-
tor. The data of the 3 profiles can be saved in a single
SWN file.
LN statistics
Showing 10 groups of statistical results. Each group of
data source can be adjusted (a fixed mode for SPL, filter
and detector), and the percentage can be set in the menu.
Time history
Showing the current noise level and characteristics as a
function of time. The data sources (one of 3 profiles) and
time axis (1 minute, 2 minutes and 10 minutes) can be
adjusted.
Press <ESC> to remove the characteristics from the
screen and display it again.
Custom Measurement screen 1
The user can set the parameters for 14 measurement
groups. Here you can display the first 7 measurement
groups.
Custom Measurement screen 2
The user can set the parameters for 14 measurement
groups. Here you can display the last 7 measurement
groups.
GPS screen 1
Display of GPS information: GPS state, GPS date, GPS
time, longitude, latitude, altitude and speed.

SW-BA-e-1710 19
GPS screen 2
Display of the number of satellites used to determine the
position and the signal-to-noise ratio for all the visible sat-
ellites (0–99 dB).
☆
Hint: The number of visible satellites can be higher
than the number of satellites used to determine the posi-
tion, as many satellites are not available for position de-
termination.
3.3 1/1 Octave Mode screen
1/1 octave bar chart
Shows 10 bands in a range from 31.5 Hz to 16 kHz and
the LAeq, LBeq, LCeq, LZeq parameters in the form of a bar
chart. Press the navigation keys <▲> and <▼> to see
detailed values for each band. You can define a threshold
value for each band. If the data exceed the threshold
value, a red LED will light up.
Octave Table screen 1
Shows measurement data within a range from 31.5 Hz to
500 Hz. If the data exceed the threshold value, a red LED
will light up and the symbol will appear.
Octave Table screen 2
Shows the measurement data within a range from 1 kHz
to 16 kHz. If the data exceed the threshold, a red LED will
light up and the symbol will appear.
Octave Table screen 3
Shows the measurement data of LAeq, LBeq, LCeq and
LZeq. If the data exceed the threshold value, a red LED
will light up and the symbol will appear.

20 SW-BA-e-1710
4. Operation and setting the menu
Press <MENU> to show the next menu. All the measurement pa-
rameters can be set in the menu.
Menu tree
4.1 Function Select Function and press <ENTER> to open this menu. You can
choose 2 types of measurement. Level measurement and
1/1-octave measurement. Press the navigation keys <▲> and
<▼> to choose the measurement mode. Press <ENTER> to save
the setting and return to the previous menu. Press <ESC> to re-
turn to the previous menu.
4.2 Calibration Select Calibration and press <ENTER> to open this menu.
The microphone sensitivity is influenced by many factors, such as
temperature, humidity or air pressure. This is why you must per-
form at least one calibration before the measurement.
Two calibration methods are available. By Measurement and By
Calibration Factor. Choose By Measurement to perform the
calibration using the sound calibrator. Calibration By Calibration Factor allows the
user to manually adapt the calibration factor.