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TPH900 - Installation Handbook
Battery use
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1) Carry out a full charge/discharge cycle before the battery is used for the first time.
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2) Never allow a battery to discharge completely, and at the end of an assignment always charge the
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battery using a charger or installed in a terminal.
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3) Do not expose batteries in use to temperatures above 55°C.
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4) Carry out a periodic visual inspection of the battery. Also check that the contacts are clean.
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5) For temperatures lower than 0°C, the battery capacity is temporarily reduced. When the battery's
temperature returns to values between 0°C and +55°C, it will resume its normal capacity.
Safety precautions and information relating to exposure of users to electromagnetic fields
The TPH900 terminal complies with the limits for exposure of workers as laid down in the European
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Directive 2013/35/EU. This directive requires compliance with the Specific Absorption Rate (SAR)
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limit, which is the radio frequency energy absorbed by the body. This limit is fixed by the directive at
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10W/kg (averaged over 10 g of human tissue).
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The TPH900 SAR is measured against a European standard by operating the terminal at maximum
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power in permanent transmit mode against the ear, as with a GSM mobile.
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Therefore, for the TPH900 terminal, the SAR level is 4.5 W/kg (380–430 MHz) on the ear.
Precautions when using the TPH900 terminal
A - Precautions concerning users and non-users
Precautions must be taken in certain situations (when driving or using in certain locations:
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aeroplanes, hospitals, service stations, ammunition storage areas, etc.). Precautions should be taken
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by wearers of electronic implants (pacemakers, insulin pumps, neurostimulators, etc.), in particular
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regarding the distance between the portable radio and the implant.
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In collective listening mode, the terminal or speaker microphone should not be placed close to
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the ear: the audio power emitted by the terminal or speaker microphone may damage the user's
hearing after this incorrect use.
B - Advice to reduce the level of user exposure
The SAR level of the TPH900 can be reduced by the following actions:
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Reduce the power in direct mode (menu setting).
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Reduce the transmit time (the transmit time is the time during which the push-to-talk* button is
held down). For example, a handportable declared with an SAR of 4.5 W/kg in permanent transmit
mode will result in an SAR of 2.25 W/kg for the user, if the handportable is in transmit mode at
maximum power for 50% of the time (averaged over six minutes).
•
Use the offset roof antenna when using the vehicle kit inside a vehicle.
* It is estimated that the periods transmitting in BS-connected mode during base station polling are
insignificant compared to the periods transmitting via the push-to-talk (PTT) button.
This document and its contents are the property of Airbus DS SAS and must not be copied or circulated without authorisation.
Any usage outside the subject expressly specified is prohibited. Copyright© 2014-2015 - Airbus DS SAS - All rights reserved.
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10/2015
IH - PS11478AQLAE01
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