Before You Start; Safety Warning; Operating Recommendations; Unpacking And Inspection - DEVA Broadcast DB91-TX Maintenance And Operation Instruction Manual

SAFETY WARNING

• The servicing of electronic equipment should be performed only by qualified personnel;
• Before removing the covers DB91-TX must be switched off and the mains cable unplugged;
• When the equipment is open, the power supply capacitors should be discharged using a
suitable resistor;
• Never touch the wires or the electrical circuits;
• Use insulated tools only;
• Never touch the metal semiconductor. They might carry high voltages;
• For removing and installing electronic components, follow the recommendations for
handling MOS components.
ATTENTION: DB91-TX has an internal Lithium battery. Do not try to re-charge this battery!
Please contact us for detailed instructions in case the battery should be changed.

OPERATING RECOMMENDATIONS

For normal operation of DB91-TX, we recommend following the instructions listed below.
• Install the unit in places with good air conditioning. DB91-TX is designed to operate within
the ambient temperature range of 10 to 50°C. The equipment rack should be ventilated
in order for the device to keep its internal temperature below the maximum ambient
temperatures;
• We do not recommend installation in rooms with high humidity, dusty places or other
aggressive conditions;
• Locate the device away from abnormally high RF fields;
• Use only checked power supply cables. We strongly recommend the usage of shielded
cables;
• Connect DB91-TX only to reliable power supply sources. In case of unstable power supply,
please use Uninterruptible Power Supply (UPS);
• Use the device only with its top cover on to avoid electromagnetic anomalies. Otherwise,
this may cause problems with the normal functionality of the unit;
• For the normal remote operation of the unit, connect DB91-TX to a good quality Internet
connection;
• For the normal operation of DB91-TX, check if the network settings past through all the
required data traffic.

UNPACKING AND INSPECTION

Upon receipt, the equipment should be inspected for possible shipping damages. If such are
found or suspected, notify the carrier at once and contact DEVA Broadcast Ltd. The original
shipping carton box and packing materials should be kept for possible reuse, in case of return for
Warranty repair, for example. Shipping damages as a result of improper packing for return may
invalidate the Warranty!
IT IS VERY IMPORTANT
completed accurately and returned. This will assure coverage of the terms of the Warranty and it will
provide a means of trace in case of lost or stolen equipment. In addition, the user will automatically
receive SERVICE OR MODIFICATION INSTRUCTIONS from DEVA Broadcast Ltd.
E-mail: office@devabroadcast.com ,Web: www.devabroadcast.com

Before you start

that the "Product Registration Card"
- 13 -
65 Aleksandar Stamboliyski Str., 8000 Bourgas, Bulgaria
Tel: +359 56 820027, Fax: +359 56 836700
included in the Manual be