Technical Product Manual - DCT1900Maintenance, Fault Signalling3-8 Maint-DCT1900/R8/mw© 2000-20053.8.1 Activating DCA mode1. Switch off the Portable Telephone :2. Switch on again with special code: + + (Press the 3 keys simultaneously forlonger than 1 second)3. The display in Figure 3-2 is momentarily visible. Then the display will change to the normalstandby mode display.Fig. 3-2 Service Display4. For 9p23 Portables, while on hook:-Push the Menu button on the down arrow button-Scroll up or down until you reach Advanced Config-Push the Select button-You see -Push the Select button-Scroll down through the following menu items1. Link Info2. ALL-FP + RSS3. FP-Info4. Channel Inf5. Time Slots6. Sys Order7. Sys List8. MER tests9. Last Error-Press Select to make a menu choice-Press Back several times to exit the DCA-Services menu-Turn the portable off when your testing is done-To use DCA mode while on a call:- Turn the phone on in DCA mode- Make the call- Once a call is established- Press the down arrow- You will be at menu option 1-Link Info- Press Select to choose this option or scroll down the list for the other selectionTo terminate the call processing the back button or the off button until you return to the standbymode display and hang up the call.ON/OFF2 8 ON/OFFLine 1: (S/W number)Line 2: (S/W revision level)