Rover Instruments CNG 90 User manual

www.roverinstruments.com
CNG 90CNG 90
CNG 90CNG 90
User’s Guide

2
Get to know your CNG 90
FRONT PANEL
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
repeatedly press the
key to activate
(ON LED on)
or disable (ON LED off) noise
at 50 Hz
 
Repeatedly press
the key to switch the
output level:
HIGH or LOW
(-20 dB)

TO TURN ON:
press
the ‘HOME’ key,
TO TURN OFF:
press and hold
the ‘HOME’ key,
1 = IF/RF output connector,
“F” type, 75 Ω.
2 = Power supply input connector
(12 V DC - 0,5A),


Keep the “HOME” key
pressed for 10” and turn
on again.

3

________________________________
RF Signal White Gaussian noise
Frequency Range 5 MHz – 2150 MHz
Power Output 83 dBuV (TV), 88 dBuV (SAT)
Spectral density –94 dBm/Hz
Flatness ± 2 dB from 5 to 2200 MHz
POWER SUPPLY
Battery Ni-MH battery, 7.2 V (2400 mAh)
Autonomy 8 hours
EXTERNAL
Voltage 12 Vdc
Power Consumption 2 W (operation)
4 W (in charge)

4
IMPORTANT:
• ALWAYS TURN THE GENERATOR OFF BEFORE CONNECTING THE BATTERY CHARGER.
• DO NOT LEAVE THE BATTERIES DISCHARGED FOR LONG PERIODS.
• ALWAYS CHARGE THE BATTERIES AT NIGHT FOR AT LEAST 6 HOURS, EVEN IF THEY ARE
NOT COMPLETELY DISCHARGED.
USEFUL INFORMATION:
1. The batteries supplied are high quality and tested individually, the autonomy depends on the
following conditions:
– The external temperature: with temperatures of less than 10°C, 20% of the capacity is lost
– The age of the batteries: a 10 % loss in efficiency each year.
BATTERY AUTONOMY:
The battery autonomy is between 6 hours min. to 8 hours max.
 
This device contains a built-in Ni-MH (Nickel-Metal Hydride) battery that can be recharged
many times. The battery contains chemicals that might wear with time even if they are not
used. Please dispose of batteries properly.
Do not take the battery pack apart or expose it to extreme temperatures (over 50°C). If the
device has been exposed to very low or high temperatures let it rest at room temperature
before use.
The Battery must be recharged at room temperature (about 25°C) with the device turned off.
To avoid premature failure of the battery never leave the device with an empty battery for
prolonged periods.
Ni-MH batteries have a high self-discharging rate and should be recharged periodically
even if not used to avoid failures.

__________________________

_______________________


5
This procedure allows you to regenerate/check your batteries.
USEFUL ADVICE:
• CHARGE THE BATTERIES EVERY NIGHT AFTER USE, EVEN IF THEY ARE NOT COMPLETELY
DISCHARGED;
• The maximum capacity of the batteries and battery charge indicator’s accuracy improves by up
to 20% if you carry out many battery test cycles;
• Do not replace the batteries: first carry out 3 to 5 battery test cycles until you recover the
maximum capacity of the batteries.
“BATTERY TEST” INSTRUCTIONS & PROCEDURE:
Before carrying out the test, connect the Generator to the original battery charger:
• Turn on the Generator;
• Simultaneously press the “MODULAT” and “OUTPUT POWER” keys for 5 seconds;
• The procedure starts with the discharge phase (8 hours max.), the LOW LED remains on
whereas the HIGH LED flashes;
• Once the discharging phase has finished, the charging phase starts (approximately 6 hours),
the LOW and HIGH LEDs remain on.
IMPORTANT ADVICE:
1. The battery test takes approximately 14 hours (discharging/recharging activities of the battery
autonomy), during this time the Generator must not be used. At the end of the test the
Generator will turn off automatically. If you need to interrupt the test, press the power ON key
or disconnect from the mains.
2. The batteries will be completely charged at the end of the test.



6
OPERATION SIGNALING:
Generator turned off, connected to the
mains power supply
MAINS LED:
• Flashes when charging,
• Remains ON when charging has finished
Generator on
HIGH LED:
• When ON this indicates that the generator
is at its nominal level
Generator on
LOW LED:
• When ON this indicates that the generator’s
output is attenuated by 20 dB.
Generator on
ON LED:
• When ON this indicates generation with
intermittent signal with a 50 Hz frequency.
Battery Test
• See paragraph Battery Test and battery
regeneration.
FAULTS / ABNORMALITIES REPORTS:
Battery status
LOW BATT LED
• ON indicates battery voltage less than 7
volts. Under 6 Volt the generator turns off.
• Flashes, in charging phase, if the battery
temperature exceeds 50 °C. Charging stops
and resumes when the value drops below
38 °C
Power supply is not the original or is faulty
MAINS & LOW BATT. LED
• Both LEDs will flash if the supply voltage
value is greater than 15 volts or less than
9 Volts.


MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
MAINS
& B.C
.
LOW
-20 dB
HIGHON LOW BATT.
N.B.:
When the generator is turned on and connected to external power, the battery will not charge.
The generator will shut off automatically 30 minutes after pressing any key.

7
CLEANING THE GENERATOR
Keeping the generator clean from dust and dirt is easy and helps mantain its optimum working
conditions over the years. The cleaning procedure is simple and quick and requires only minor
attention.
Never use chemically aggressive products (diluent) and/or abrasive or rough cloths which may
damage the plastic and displays.
Always use a soft cloth, dampened with tap water and a simple cleaning fluid or a de-greasing non
abrasive liquid soap.
The keyboard should be gently cleaned. Rubbing the keyboard may seriously damage its functions.
MAINTENANCE AND CARE OF THE GENERATOR
This generator has been designed to withstand severe conditions of use. Even so, its life may be
prolonged by respecting some simple and effective rules:
• The generator has not been designed to withstand high temperatures (over 60°C or 140° F).
Those temperatures can be easily reached when the generator is left in a car, especially behind
the windshield, or in the trunk.
• The internal battery may rapidly loose its efficiency if exposed to high or low temperatures. This
will result in reduced autonomy of the generator when powered by an internal battery.
• When recharging the internal battery, allow good air circulation around the generator and the
adapter: do not cover it and do not recharge the battery when the generator is in its transport
case.
• The generator is not waterproof, even if it is protected against incidental water droplets. If it
comes in contact with water, its electronic circuits may become damaged, so allow the generator
to dry thoroughly before trying to turn it on. Do not use hairdryers or other strong heating
sources, just leave the generator at room temperature. If necessary, contact Rover Laboratories
S.p.A. Technical Assistance.


8

(CEE and EXTRA CEE)
ROVER Laboratories. S.p.A. has a standard guarante period of 12 months.
This is extended to 24 months for countries within the European Community, and in any case, in
accordance with the laws and/or possible regulations applied in your country.
GUARANTEE REGULATIONS:
1. IMPORTANT: the guarantee is valid only upon the presentation of invoice or receipt to ROVER
Laboratories S.p.A. The purchase date must be clearly indicated on the invoice/receipt.
2. The guarantee covers the replacement free of charge of parts only, when malfunctioning
is solely due to manufacturing faults. The faults must be indentified and defined by ROVER
personnel only.
3. The guarantee is void if:
a. the equipment is tampered with or repaired by non-authorized personnel
b. damage is found, caused by the incorrect use of the equipment, without following the advice
explained in the User’s Guide accompanying the equipment.
c. damage is found caused by the use of the equipment in unsuitable working environments.
4. The following parts are not covered by the guarantee:
a. Parts subject to wear, such as aesthetic ones, keyboard, plastic chassis, etc.
b. Batteries.
c. Bags and carrying cases, including shoulder straps.
5. The equipment can not be replaced and the guarantee is extended after the repair of a fault.
SERVICE NOTES AND PROCEDURES:
6. The equipment can only be repaired by the manufacturer or by an authorized ROVER
Laboratories service center:
a. Before returning the meter for repair, always contact the distributor where you purchased
the unit or an authorized service center if present in your area to obtain the return
procedure for your analyzer. If no authorised ROVER service centers are available in your
area, please contact ROVER Laboratories S.p.A. directly at the following telephone/fax
numbers and/or e-mail address:
• [phone] Telephone number
• [phone] Fax number
• [e-mail]
b. Important: please take note that non-authorised returns for repair to ROVER Laboratories
S.p.A. will be rejected.
c. When returning the meter, always send it with the following documentation attached:
• the fully-compiled FAULT IDENTIFICATION FORM
• transport document
• the eventual request for an estimate of repair costs
d. Please note that the request for an estimate of repair costs must be submitted upon
return of the analyzer with a written note. If the repair cost estimate is not accepted,
ROVER Laboratories reserves the right to charge the customer for the estimate costs
analysis.

9
Disposal of electric / electronic equipment (applicable in all CEE countries and whereever
separate waste collection system is applied).
This symbol on the packaging indicates that the product should not be considered as
domestic waste. The product, at the moment of disposal, should be brought to a waste
collection point with the proper facilities to manage electrical/electronic appliances.
Electric/electronical appliances, if not disposed of correctly, may have
negative consequences on your health and enivironment.
Furthermore, a proper recycling procedure helps mantaining natural
resources.
To have more information about proper disposal of this product, please
refer to your local waste management offices or the shop where this
product was bought.

7. Risks and costs for transport to ROVER Laboratories S.p.A. must be sustained by the
buyer. After repair, if the equipment is under guarantee, ROVER Laboratories S.p.A.
will pay for the transport returning the goods to the customer. If the instrument is not
under guarantee, after repair, the equipment will be returned by courier service with the
amount to be paid by the customer shown on the invoice.
8. The guarantee does not cover compensation for direct or indirect damages of any kind to
people or goods caused by the use of the equipment and/or compensation caused by the
suspension of use due to eventual repairs.
9. ROVER Laboratories. S.p.A. is not responsible for eventual tampering and/or
modifications that may cause the goods to no longer adhere to the European “CE”
regulations, especially regarding EMC and safety.
10. ROVER Laboratories instruments is recognised and is fully compliant with DVB
regulations and specifications (ETS 300 421–12/94) and is consequently marked with
the DVB logo.

10

�
�
To: ROVER INSTRUMENTS SERVICE DEPARTMENT
Fax: [phone]
E-mail: [e-mail]
Skype: wecare.roverinstruments
Subject: FAULT Identification Form
PLEASE FILL IN ALL AREAS. Date:...................................................................................
CUSTOMER INFORMATION.
• Name & Surname: ......................................................................................................
• Company: ..................................................................................................................
• Contact name: ...........................................................................................................
• Address: ...................................................................................................................
• City: .........................................................................................
ZIP code: .....................
• Tel.: ................................................................ Mobile: ...............................................
• Fax:..........................................................................................................................
• E-mail: ......................................................................................................................
• Skype: ......................................................................................................................
METER INFORMATION.
• Meter Model: .............................................................................................................
• Purchase date:...............................................Invoice number: ......................................
• Bought from: .............................................................................................................
• Firmware version (FW): ....................................... Hardware version (HW): ...............................
• Serial number (S. NO):.................................................................................................
NOTE: the information relevant to : model, serial number, firmware/hardware version are available on the initial
display after switch on (start up) or on the meter’s information display in the configuration menu. In case the
meter does not switch on, you may find the meter’s serial number on the label placed on the rear of the meter.
FAULT DESCRIPTION.
Using few, but precise, words please describe here below (*) the fault found and forward to our Service
Department for more instructions on how to proceed. If necessary provide pictures or loggers & saved
screens using the SMART PC interface sortware (available on our website www.roverinstruments.com).
.........................................................................................................................................................
.........................................................................................................................................................
.........................................................................................................................................................
.........................................................................................................................................................
.........................................................................................................................................................
.........................................................................................................................................................
.........................................................................................................................................................
(*) add lines if more space is needed for your description.
  OUR 

 

NOTE:
the information relevant to serial number is available directly on the label placed on the rear of the meter.