56 FT-2900E O PERATING M ANUAL5. Press the assigned microphone’s programmable button momentarily to exit ARTS™operation and resume normal functioning of the transceiver.ARTS™ Polling Time OptionsThe ARTS™ feature may be programmed to poll every 25 seconds (default value) or 15seconds. The default value provides maximum battery conservation, because the pollingsignal is sent out less frequently. To change the polling interval:1. Press and hold in the [MHz(SET)] key for one second, thenrotate the DIAL knob to select “33333 AR INTAR INTAR INTAR INTAR INT.”2. Press the [MHz(SET)] key, then rotate the DIAL knob toselect the desired polling interval (1515151515 or 2525252525 seconds).3. When you have made your selection, press and hold in the[MHz(SET)] key for one second to save the new setting and exit to normal operation.ARTS™ Alert Beep OptionsThe ARTS™ feature allows two kinds of alert beeps (with the additional option of turningthem off), so as to alert you to the current status of ARTS™ operation. Depending on yourlocation and the potential annoyance associated with frequent beeps, you may choose theBeep mode which best suits your needs. The choices are:IN RNGIN RNGIN RNGIN RNGIN RNG: The beeps are issued only when the radio first confirms that you are withinrange, but does not re-confirm with beeps thereafter.ALWAYSALWAYSALWAYSALWAYSALWAYS: Every time a polling transmission is received from the other station, the alertbeeps will be heard.OFFOFFOFFOFFOFF: No alert beeps will be heard; you must look at the display to confirm currentARTS™ status.To set the ARTS™ Beep mode, use the following procedure:1. Press and hold in the [MHz(SET)] key for one second, thenrotate the DIAL knob to select “22222 AR BEPAR BEPAR BEPAR BEPAR BEP.”2. Press the [MHz(SET)] key, then rotate the DIAL knob toselect the desired ARTS™ Beep mode (see above).3. When you have made your selection, press and hold in the[MHz(SET)] key for one second to save the new settingand exit to normal operation.ARTS™ (AUTOMATIC RANGE TRANSPONDER S YSTEM)