16 EnglishAdditional InformationEmergencyCallsIf your radio is fitted with the Selcall option, it may alsobe preset to send an Emergency Call to apredetermined location (such as your despatcher),when you activate a hidden switch.• While an Emergency Call is in progress, your radio willquietly switch in and out of transmit mode so thatactivity around the radio can be monitored.• The radio that receives your emergency call willusually be able to transmit a code to return your radioto normal operation. Alternatively, you can reset theradio yourself by switching it off and on.Economy Mode To conserve battery power, your radio may beprogrammed to switch off the keypad backlighting (andthe display in the T2015II ) after a preset period ofinactivity.Any valid activity on the selected channel will restore theradio to full operation. The radio will also return tonormal as soon as you operate the PTT or any frontpanel key.Trouble-shootingIf none of the front panel indicators light when you turnthe radio on, power may not be getting through to theradio.Check all the leads, in-line fuses and connectionsbetween the battery and the radio. If this does not reveala fault, contact your Tait dealer for further assistance.