C3050 registration instructions using the Administration Terminal Page 7 of 10Meridian Companion Portable Telephone Registration Instructions5. Press OK . The display shows Deregistering... and thenItem erased. No system selected .Displaying the C3050’s wireless terminal numberWhen you register a portable, you assign it a WTN. If you register severalportables and forget which portable has which WTN, this procedure displaysthe WTN.1. Open the portable’s flap.2. Press Ï . The display shows MENU .3. Press ” or ’ until the display shows Feature request .4. Press SELCT . The display shows A- .5. Press ° º . The display shows the WTN for 3 seconds.Measuring RSSIThe Receive Signal Strength Indicator (RSSI) is a measurement of the signalstrength the Base Station receives from the portable. The Base Station controlsthe power transmitting mode of the portable. When the Base Station receivesa weak signal, it instructs the portable to transmit in high-power. When theBase Station receives a strong signal, it instructs the portable to transmit inlow-power. The strongest RSSI value the display shows is -35 dBm. Theweakest RSSI value the display shows is approximately -94 to -100 dBm.Measuring undirected RSSIYou can measure the signal strength between a portable and a system-selectedBase Station using undirected RSSI.1. Open the portable’s flap.2. Press Ï . The display shows MENU.3. Press ” or ’ until the display shows Feature request .4. Press SELCT . The display shows A- .5. Press ° • ª • . The display shows the cell number, theradio ID of the Base Station to which the portable is linked, the power