Tait TB7304 User Manual

Contents

Draft12 Basic Operation Transportable Mobile Repeater User’s Guide© Copyright Tait International Limited March 20192 Basic Operation2.1 Battery Select SwitchWarning When shipping and charging the transportable, set thebattery select switch to External DC/Battery Isolate to comply withsafety regulations.The battery select switch is protected with a raised red surround to avoidaccidental switching on when the lid is closed.Warning Risk of missing calls! Switching between Internal Bat-tery and External DC/Battery Isolate will likely cause the trans-portable to restart!When the switch is set to Internal Battery, the transportable runs from theinternal battery (or mains supply if connected).When the switch is set to External DC/Battery Isolate, the internal batteryis disconnected from all circuitry in the transportable. In this situation, allthe circuits in the transportable,including the repeater, can only run from anexternal DC supply. When connected to a mains lead, the charger circuitryis automatically switched on and connected to the internal battery.2.2 Battery PowerWith a fully-charged battery, an operating regime of 10% transmit at 15W,and 90% standby time will keep the transportable running for approx. 8hours (with a new battery).2.3 Battery ChargingWarning Risk of fire! The lid must be open when charging. TheVRLA battery may vent when charged at a current greater than3A. This does not occur during normal charging.The transportable will shut itself down when the internal battery voltagedrops too low. When that level of discharge has been reached, it will takeup to 12 hours to recharge the battery using an AC mains connection. When

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