Via Leonardo da Vinci, 21/23
20090 Segrate (MI) Tel.: +39 02 2699871
Fax: +39 02 26998700
AMS-8063
AREA MONITOR SYSTEM
ITALY
Manufacturing Plant:
Via Benessea, 29/B
17035 Cisano sul Neva (SV)
Tel.: +39 0182 58641
Fax: +39 0182 586400
User’s Manual
AMS-8063/00
AMS-8063/01
AMS-8063/02
SERIAL NUMBER OF THE INSTRUMENT
You can find the serial number on the side of the metal bracket located under the
baseplate, on the side of the Power pack and on the side of the Solar panels.
Serial number is in the form: 000XY00000.
The first three digits and the two letters are the Serial Number prefix, the last five
digits are the Serial Number suffix. The prefix is the same for identical instruments, it
changes only when a configuration change is made to the instrument.
The suffix is different for each instrument.
® Names and Logo are registered trademarks of Narda Safety Test Solutions GmbH and L3 Communications
Holdings, Inc. – Trade names are trademarks of the owners.
If the instrument is used in any other way than as described in this User’s Manual, it
may become unsafe.
Before using this product, the related documentation must be read with great care and fully understood to familiarize
with all the safety prescriptions.
To ensure the correct use and the maximum safety level, the User shall know all the instructions and
recommendations contained in this document.
In accordance with the IEC classification, the power supply of this product meets requirements Safety Class II and
Installation Category II (having double insulation and able to carry out mono-phase power supply operations).
It complies with the requirements of Pollution Class II (usually only non-conductive pollution). However,
occasionally it may become temporarily conductive due to condense on it.
The information contained in this document is subject to change without notice.
EXPLANATION OF ELECTRICAL AND SAFETY SYMBOLS :
You now own a high-quality instrument that will give you many years of reliable service.
Nevertheless, even this product will eventually become obsolete. When that time comes, please
remember that electronic equipment must be disposed of in accordance with local regulations.
This product conforms to the WEEE Directive of the European Union (2002/96/EC) and belongs to
Category 9 (Monitoring and Control Instruments). You can return the instrument to us free of
charge for proper environment friendly disposal. You can obtain further information from your
local Narda Sales Partner or by visiting our website at www.narda-sts.it .
This product is a Safety Class III instrument according to IEC classification
and has been designed to meet the requirements of EN61010-1 (Safety
Requirements for Electrical Equipment for Measurement, Control and
Laboratory Use).
Warning, danger of electric shock
Read carefully the Operating Manual and its
instructions, pay attention to the safety symbols
Earth Protection
KEY TO THE SYMBOLS USED IN THIS DOCUMENT:
The DANGER sign draws attention to a serious risk to a person’s safety,
which, if not avoided, will result in death or serious injury. All the
precautions must be fully understood and applied before proceeding.
The WARNING sign indicates a hazardous situation, which, if not avoided,
could result in death or serious injury. All the precautions must be fully
understood and applied before proceeding.
The CAUTION sign indicates a hazardous situation, which, if not avoided,
could result in minor or moderate injury.
The NOTICE sign draws attention to a potential risk of damage to the
apparatus or loss of data.
The NOTE sign draws attention to important information.
Earth
Unit Earth Connection
Equipotential
II Note and symbols
Contents
Safety requirements and instructions…..........……........
EC Declaration of Conformity .........................................
4.2.1 Data window..................................................…......................
4.3 Data display...............................................…..…..…..................
4.3.1 Main commands ….……………………………………………….
4.3.1.1 Open Scan………………………………………………………
Data folder….…………………………………………………………….
Structure of the .TXT file………………………………….…………….
Structure of the .JPG, .BMP and .PCM file…………………………..
Structure of the Table.mode.txt file……………………………………
Events folder………….………………………………………………….
AMS-8063-00 or AMS-8063-01 Are Monitor System..…………
AMS-8063-02 receiver baseplate……..……………………….…
Panel of EHP-8063………….……………………………………..
AMS-8063/WMK Wall Mounting Kit……………………………...
AMS-8063/02 on AMS-8063/WMK……………………………….
AMS-8063-00 or AMS-8063-01 on AMS-8063/WMK ………….
Tables
Table
1-1
1-2
1-3
2-1
2-2
Technical Specifications of the AMS-8063…………………..….
General Specifications of the EHP-8063…………………..……
Technical Specifications of the EHP-8063……..……………….
Led 8063-Shutter………………….……………………………....
Led EHP-8063 status …………..……………………..……….…
Page
1-1
1-4
1-9
5-1
5-8
5-8
Page
1-7
1-8
1-10
2-20
2-20
Contents V
SAFETY RECOMMENDATIONS AND INSTRUCTIONS
This product has been designed, produced and tested in Italy, and it left the factory in conditions fully
complying with the current safety standards. To maintain it in safe conditions and ensure correct use,
these general instructions must be fully understood and applied before the product is used.
• When the device must be connected permanently, first provide effective grounding;
• If the device must be connected to other equipment or accessories, make sure they are all safely
grounded;
• In case of devices permanently connected to the power supply, and lacking any fuses or other
devices of mains protection, the power line must be equipped with adequate protection
commensurate to the consumption of all the devices connected to it;
• In case of connection of the device to the power mains, make sure before connection that the
voltage selected on the voltage switch and the fuses are adequate for the voltage of the actual
mains;
• Devices in Safety Class I, equipped with connection to the power mains by means of cord and plug,
can only be plugged into a socket equipped with a ground wire;
• Any interruption or loosening of the ground wire or of a connecting power cable, inside or outside the
device, will cause a potential risk for the safety of the personnel;
• Ground connections must not be interrupted intentionally;
• To prevent the possible danger of electrocution, do not remove any covers, panels or guards
installed on the device, and refer only to NARDA Service Centers if maintenance should be
necessary;
• To maintain adequate protection from fire hazards, replace fuses only with others of the same type
and rating;
• Follow the safety regulations and any additional instructions in this manual to prevent accidents and
damages.
VI Safety considerations
Dichiarazione di Conformità
EU Declaration of Conformity
In accordo alla Decisione 768/2008/EC, conforme alle direttive EMC 2014/30/UE, Bassa Tensione 2014/35/UE e
RoHS 2011/65/UE, ed anche alle norme ISO/IEC 17050-1 e 17050-2.
In accordance with the Decision 768/2008/EC, compliant to the Directives EMC 2014/30/EU, Low Voltage 2014/35/EU and
RoHS 2011/65/EU, also compliant to the ISO/IEC standard 17050-1 and 17050-2
Il costruttore
The manufacturer
narda Safety Test Solutions S.r.l. Socio Unico
Indirizzo
Address
Via Benessea, 29 / B
I-17035 Cisano sul Neva (SV) - Italy
sulla base delle seguenti norme europee armonizzate, applicate con esito positivo:
based on the following harmonized European Standards, successfully applied:
EMC - Emissioni:
EMC - Emission:
EMC - Immunità:
EMC - Immunity:
Sicurezza:
Safety:
EN 61326-1 (2013)
EN 61326-1 (2013)
EN 61010-1 (2010)
dichiara, sotto la propria responsabilità, che il prodotto:
declares, under its sole responsibility, that the product:
Descrizione
Description
SISTEMA DI MONITORAGGIO SELETTIVO
AREA MONITOR SYSTEM
Modello
Model
AMS-8063 /00 /01 /02
è conforme ai requisiti essenziali delle seguenti Direttive:
conforms with the essential requirements of the following Directives:
Bassa Tensione
Low Voltage
2014/35/EU
Compatibiltà Elettromagnetica
EMC
2014/30/EU
RoHS
RoHS
Cisano sul Neva, 30 June 2017
2011/65/EU
Egon Stocca
General Manager
EC Conformity VII
This page has been intentionally left blank
VIII Safety considerations
1.1 Documentation
1.2 Introduction
1 – General Information
This Users Manual contains the following annexes:
• A form to be returned to NARDA with the device when requesting
service.
• A checklist of the accessories included in the shipment.
The AMS-8063 family products are revolutionary, accurate and reliable
solutions for remote and continuous monitoring of electromagnetic fields.
The AMS-8063 Area Monitor consist of a protective case made of material
that is transparent to electromagnetic fields and designed to house the
EHP-8063 E-H fields analyzer and the data transmission devices.
EHP-8063 has been designed for 3 axis accurate measurements of both
electric and magnetic fields, in the frequency range 9 kHz to 30 MHz.
The Wi-Fi Serial Converter (AMS-8063-00) allow the connection of the
system to a WLAN network with TCP/IP protocol.
The AMS-8063-01 can only be connected to the PC by RS232 cable.
The PC handles the AMS-8063-02 through the AMS-8063-02 Interface box
that allows a long optical connection
The AMS-8063-00 e AMS-8063-01 models are powered by high capacity
back-up batteries and solar panels (twin pair).
AMS-8063-02 does not have any solar cells, as it is powered by high
capacity rechargeable batteries.
An external power supply is provided for continuous, indoor operation for
all models.
The system of acquisition makes it possible to program each parameter
and transfer to a PC the data saved into the unit. The recorded data can be
viewed either as a graph or as a table.
Solar panels 2x40W 17.5V (AMS-8063-00 and AMS-8063-01 only)
Consumption 4W
External power supply 100…240 V, 50/60 Hz to 24 VDC, 1.25A
Autonomy with batteries only > 48 Hours
Autonomy with Solar panel 24 Hours / 365 days for PSH ≥ 2
Recharge time > 12 Hours with external power supply
Operating temperature -20 °C to +55 °C
Dimensions Radome (ØxH) 250x740 mm
Pole (ØxH) 60x760 mm
Base (LxPxH) 660x600x95 mm
Battery pack (LxPxH) 310x240x190 mm
Solar panels (LxPxH) 930x35x665 mm
Weight
AMS-8063-00 3,5 kg only the unit;
35.0 kg total weight inclusive of supports and base
AMS-8063-01 3,0 kg only the unit;
35.0 kg total weight inclusive of supports and base
AMS-8063-02 3,5 kg only the unit;
26.5 kg total weight inclusive of supports and base
Protection grade IP54
1-8 General Information
1.7 EHP-8063
Fig. 1-3 Panel of EHP-8063
EHP-8063 is housed in a small cubic housing; the bottom side panel
includes an optic fiber connector, ON/OFF level switch and operation LED.
EHP-8063 is managed internally with a microprocessor that controls all the
main functions.
Electric or Magnetic field is picked up by three sensors on the X, Y and Z
orthogonal axes. A Digital/Analog conversion follows which transforms the
signal into numeric information processed by a Digital Signal Processing
unit.
The magnetic sensor system is composed by three magnetic loops
positioned orthogonal each other. The electric sensor system is composed
by three orthogonal parallel capacitors installed on opposite side of the
magnetic loops.
EHP-8063 has an internal rechargeable Ni-Mh battery that can be
recharged with the battery pack.
Key:
DATA: Led
POWER ON: switches EHP-8063 on/off
OPTIC LINK: Fiber optic connector
CHARGER: Not available
AUX: Not available
Correct readings may be conditioned by the nature of the places in
which the field monitoring system is installed.
The field sensor is affected by huge metallic masses or other objects
that may reflect the signal, if located in the vicinity of the unit.
Whenever possible, it is a good rule to install the unit at some
distance from walls, high voltage pylons, buildings and other
obstacles that could affect the signals reaching the sensor.
EHP-8063 is automatically detected by the control system integrated
in the AMS-8063, so it is not necessary to perform any operation.
Do not expose the EHP-8063 to a field higher than the max. allowed.
Field strengths exceeding the allowed may cause severe probe
damage whether it is connected or not, either turner ON or OFF.
When opening the protective case of the monitoring station, to avoid
damages, remove along its axis the protective case from probe.
The minimum voltage level for operation is 3V. Under this battery
voltage the analyzer will turn OFF automatically and the battery will
be charged.
General Information 1-9
Table 1-3 Technical specifications of the EHP-8063 Electric and Magnetic Field Analyzer
Frequency range
Measurement range @10kHz RBW
with preamplifier ON
Electric Field Magnetic Field
Mode A
9 kHz ÷ 30 MHz 9 kHz ÷ 3 MHz 300 kHz ÷ 30 MHz
0,1 ÷ 1000 V/m
0,02 ÷ 200 V/m
30 mA/m ÷ 300 A/m
6 mA/m ÷ 60 A/m
Magnetic Field
3 mA/m ÷ 30 A/m
0.6 mA/m ÷ 6 A/m
Mode B
Dynamic range
Resolution
Sensitivity @10kHz RBW (*)
Calibration
Temperature error
Dimensions
Weight
Preamplifier
Units
Internal battery
1,2 V x 3 Ni-Mh, rechargeable
Firmware updating
Self-test
Operating temperature
Storage temperature
(*) The maximum sensitivity is achieved with the filter to 10 kHz
1.8 Support pole
The supplied support pole is used to position the EHP-8063 field analyzer
far from the data transmission/power supply devices and the operator
avoiding any alteration of the field to be monitored.
The support pole is fixed to the baseplate and to the EHP-8063 plexiglass
bracket.
The support pole has been specifically designed to prevent
influencing the field measurements.
> 80 dB
30 mA/m
6 mA/m
0,8 dB
150 kHz – 3 MHz
@ 166 mA/m
0.8 dB
0,5 dB from FS to –60 dBFS
9 kHz to FULL SPAN
2
internal E
PROM
0,02 dB/°C
92 x 92 x 109 mm
550 g
selectable ON/OFF, 14dB
V/m, A/m
through PC connection
automatic at power on
-20 to +55°C
-20 to +70°C
3 mA/m
0.6 mA/m
0,8 dB
300 kHz – 27 MHz
@ 53 mA/m
1-10 General Information
2.1 Introduction
2.2 Initial inspection
2.3 Working environment
2.4 Return for repairs
1
2 - Installation and use
This section provides the information necessary to install and use the
AMS-8063 Area Monitoring System.
It also includes information regarding initial inspection, power
requirements, interconnections, working environment, assembly, cleaning,
storage and shipment.
Inspect the package for any possible damage
If the packaging or protective material are damaged, check that the
content is complete and that the instrument has not been damaged in
any of its electrical or mechanical parts. Check the accessories,
referring to the checklist enclosed with the manual. Report any
noticed damage to the forwarder and to NARDA.
The working conditions for the instrument are as follows:
• Temperature
• Relative humidity
From -20°C to +50°C
< 95%
The instrument should be stored in a clean, dry place free of acids, dust
and moisture
The storage environment must have the following specifications
• Temperature
• Relative humidity
• Altitude
From -20°C to + 70°C
< 99%
Up to 4000 m (a.s.l.)
Any part of the instrument, including the batteries, can only be replaced by
NARDA, therefore, in case of damage to parts and/or malfunctions, contact
the NARDA service center.
When the instrument has to be returned to NARDA for repairs, please
complete the form included in this User’s Manual, filling in all the
information necessary for the service requested.
To reduce the time necessary for the repair, be as specific as possible in
describing the malfunction. If the problem only occurs under specific
conditions, detail in the best possible way how to reproduce these
conditions.
Whenever possible, it is preferable to use the original packing for return,
making sure to wrap the device in heavy paper or plastic (see section 6 for
detailed packaging instructions). In alternative, pack the equipment in a
sturdy cardbox with plenty of impact absorbing material all around the
equipment, to ensure a tight fit and prevent it from moving inside the box.
Take special precautions to protect the solar cells and GSM modem
antenna. Seal the package securely and write FRAGILE on the outside to
encourage careful handling.
Use a clean, soft, dry cloth to clean the instrument and the solar cells.
It is suggested to replace air filter at least once a year or more
frequently if needed.
To clean the instrument do not use solvents, acids, cleaning fluid,
turpentine, acetone or similar products which could damage it.
2.6 Installation and use
The AMS-8063 Area Monitor consist of a protective case made of material
that is transparent to electromagnetic fields and designed to house the
EHP-8063 E-H fields analyzer and the data transmission/power supply
devices.
The AMS-8063-00 e AMS-8063-01 models are powered by high
capacity back-up batteries and solar panels (twin pair).
Model AMS8063-02 don’t have the solar panel module.
2-2 Installation and use
2.6.1 Installation of
AMS-8063-00
1. Connect and set the PC and all devices to the network.
2. Install the Support base on the site to be monitored (§ 2.6.4).
3. Install the Solar panels paying attention to orienting toward south (in
the northern boreal hemisphere) the solar cells (§ 2.6.5.1, § 2.6.5.2 and § 2.6.5.3).
4. Connect the Solar panels and place the fuse (§ 2.6.5.4).
5. Mount the receiver unit on the pole and tight the screws at the desired
position (§ 2.6.7);
6. Remove the four screws and take off along its axis the protective case
from the monitoring unit (§ 2.6.8);
7. Connect the Battery pack power cable (§ 2.6.9).
8. Check the both LEDs 8063-Shutter status (§ 2.6.10).
9. Check the Led WiFi device status (see the User’s Manual provided with the device)
10. Be sure that the fiber optic is well connected to the Optic link of the
EHP-8063.
11. Make sure that the EHP-8063 plexiglass bracket is fixed to the EHP8063 and support base.
12. Make sure that the support base is fixed to the baseplate.
13. Be sure that the battery pack power cable is well connected to the
8063-Shutter.
14. Be sure that the fiber optic is well connected to the 8063-Shutter.
15. Switch the EHP-8063 on (§ 2.6.12).
16. Check the Led EHP-8063 status (§ 2.6.13).
17. Insert along its axis the protective case and tight the four screws to fix
the Radome (§ 2.6.15).
18. Install the strays and the ballast bags (§ 2.6.16).
19. Complete a charge cycle before starting measurements (§ 2.6.17).
20. Run the 8063SW02 software (chapter 3)
21. Display and manage of the data downloaded (chapter 4).
Installation and use 2-3
2.6.2 Installation of
AMS-8063-01
1. Connect and set the PC and all devices to the network.
2. Install the Support base on the site to be monitored (§ 2.6.4).
3. Install the Solar panels paying attention to orienting toward south (in
the northern boreal hemisphere) the solar cells (§ 2.6.5.1, § 2.6.5.2 and § 2.6.5.3).
4. Connect the Solar panels and place the fuse (§ 2.6.5.4).
5. Mount the receiver unit on the pole and tight the screws at the desired
position (§ 2.6.7);
6. Remove the four screws and take off along its axis the protective case
from the monitoring unit (§ 2.6.8);
7. Connect the Battery pack power cable (§ 2.6.9).
8. Connect the RS-232 cable
9. Check the both LEDs 8063-Shutter status (§ 2.6.10).
10. Be sure that the fiber optic is well connected to the Optic link of the
EHP-8063.
11. Make sure that the EHP-8063 plexiglass bracket is fixed to the EHP8063 and support base.
12. Make sure that the support base is fixed to the baseplate.
13. Be sure that the battery pack power cable is well connected to the
8063-Shutter.
14. Be sure that the fiber optic is well connected to the 8063-Shutter.
15. Switch the EHP-8063 on (§ 2.6.12).
16. Check the Led EHP-8063 status (§ 2.6.13).
17. Insert along its axis the protective case and tight the four screws to fix
the Radome (§ 2.6.15).
18. Install the strays and the ballast bags (§ 2.6.16).
19. Complete a charge cycle before starting measurements (§ 2.6.17).
20. Run the 8063SW02 software (chapter 3)
21. Display and manage of the data downloaded (chapter 4).
2-4 Installation and use
2.6.3 Installation of
AMS-8063-02
1. Connect and set the PC and all devices to the network.
2. Install the Support base on the site to be monitored (§ 2.6.4).
3. Remove the Power pack cover and place the fuse (§ 2.6.6)
4. Mount the receiver unit on the pole and tight the screws at the desired
position (§ 2.6.7);
5. Remove the four screws and take off along its axis the protective case
from the monitoring unit (§ 2.6.8);
6. Connect the Battery pack power cable (§ 2.6.9).
7. Connect the AMS-8063-02 Interface box to the PC by USB cable
8. Connect the power supply cable to the AMS-8063-02 Interface box
9. Connect the Interface box to the AMS-8063-02 Area Monitor Station by
fiber optic paying attention to the correct correspondence. (§ 2.6.14).
10. Check the both LEDs 8063-Shutter status (§ 2.6.10).
11. Be sure that the fiber optic is well connected to the Optic link of the
EHP-8063.
12. Make sure that the EHP-8063 plexiglass bracket is fixed to the EHP8063 and support base.
13. Make sure that the support base is fixed to the baseplate.
14. Be sure that the battery pack power cable is well connected to the
8063-Shutter.
15. Be sure that the fiber optic is well connected to the 8063-Shutter.
16. Be sure that the fiber optic is well connected to the AMS-8063-02
Interface box
17. Switch the EHP-8063 on (§ 2.6.12).
18. Check the Led EHP-8063 status (§ 2.6.13).
19. Switch the AMS-8063-02 Interface box on (§ 2.6.14).
20. Insert along its axis the protective case and tight the four screws to fix
the Radome (§ 2.6.15).
21. Install the strays and the ballast bags (§ 2.6.16).
22. Complete a charge cycle before starting measurements (§ 2.6.17).
23. Run the 8063SW02 software (chapter 3)
24. Display and manage of the data downloaded (chapter 4).
Installation and use 2-5
2.6.4 Support base, feet
and pole
Install the Support base on the site to be monitored.
Correct readings may be conditioned by the nature of the places in
which the AMS-8063 Area Monitor System is installed.
The field measuring is affected by huge metallic masses or other
objects that may reflect the signal, if located in the vicinity of the unit.
Whenever possible, it is a good rule to install the unit at some
distance from walls, high voltage pylons, buildings and other
obstacles that could affect the signals reaching the sensor.
Whenever possible, it is a good rule to install the unit at some
distance from walls, buildings and other obstacles that could affect
the wireless signals reaching the WiFi device (AMS-8063-00 only)
Screw the four adjustable feet under the support base.
2-6 Installation and use
Remove the bolt from the pole support, place the pole and fasten it to the
base using the bolt with nut and washers.
Using the supplied pole, whose characteristics have been carefully
assessed, is recommended to avoid any alteration of the field to be
monitored.
Installation and use 2-7
2.6.5 Solar panels
(AMS-8063-00 and
AMS-8063-01)
2.6.5.1 Solar panels
mounting kit
The accessories included are:
1) 40W Solar panel (2 pcs);
2) Hexagon head bolt M4x10mm (4 pcs.);
3) Upper L shaped bracket (1 pc.);
4) Tooth washer Ø4mm (4 pcs.);
5) M4 nut (4 pcs.);
6) M5 nut (2 pcs.);
7) Tooth washer Ø5mm (2 pcs.);
8) M5 nut (2 pcs.);
9) Tooth washer Ø5mm (2 pcs.);
10) S shaped bracket (1 pc.);
11) Pan head machine screw X shaped M5x10mm (2 pcs.);
12) PA6 black bracket (1 pc.);
13) Pan head machine screw X shaped M5x25mm (2 pcs.);
14) Hexagon head bolt M4x10mm (2 pcs.);
15) Hexagon head bolt M8x12mm (2 pcs.);
16) Pan head machine screw X shaped M4x16mm (2 pcs.);
17) Lower support (1 pc.);
18) M8 nut (2 pcs.);
19) Tooth washer Ø4mm (2 pcs.);
20) Tooth washer Ø4mm (2 pcs.);
21) M4 nut (2 pcs.);
22) M4 nut (2 pcs.);
- 13mm combination wrench;
- 7mm combination wrench;
- Reversible screwdriver.
2-8 Installation and use
2.6.5.2 Installation
steps
Upper L shaped bracket
S shaped bracket and PA6 black bracket
Lower support
Installation and use 2-9
2.6.5.3 Install the Solar
panel to the
Unscrew the Pan head screw inside the PA6 black bracket without losing it
completely.
Support base
Insert and slide the Solar panel into the fiberglass pole and position the
lower support on the base
Position the Solar panel and the Support base on the ground as shown
and install the lower support.
2-10 Installation and use
Install the lower support to the support base with the 2 pcs. Pan head
machine screw X shaped M4x16mm (16), 2 pcs. Tooth washer Ø4mm (20)
and 2 pcs M4 nut (22) remaining.
Position the Solar panel and the Support base on the ground as shown
below.
In the northern (boreal) hemisphere, the Area Monitor System should
be installed with the solar cells facing south, in order to take the best
advantage of the solar radiation for continuous recharging of the
internal batteries. An angle around of 35° with respect to vertical is
the ideal position for the solar cells to optimize solar radiation in the
European latitudes, specially in winter when the light levels are
generally lower than in summer.
To ensure maximum efficiency in recharging the battery and to take
advantage of the maximum operating autonomy, make sure the
position in which the unit is installed receives sunlight all the day
long and is not shaded by buildings or other screening objects.
To ensure maximum efficiency of recharging and optimum autonomy
of the internal batteries, it is a good rule to keep the solar cells clean,
inspecting them periodically.
If necessary, clean them with a soft cloth and a normal glass cleanser
Installation and use 2-11
Fasten the Solar panel by tightening the bracket screws
2-12 Installation and use
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