2.9.5 Site SurveyThe PS has a Radio Signal Test mode that monitors the state of the radio link to the CS for site survey. InRadio Signal Test mode, the frame loss and signal strength of a synchronous slot, and the signal strength ofthe other slots can be measured when the PS is monitoring the CS. After installing the CSs temporarily asplanned during site planning, set the PS to Radio Signal Test mode and locate each CS to measure its coveragearea. Then, record the results on the map of the installation site.Testing the Radio Signal StrengthAfter locating the CS(s) temporarily, execute the Radio Signal Test using the PS. Directly after entering RadioSignal Test mode, the PS scans channel 0 for a CS that it can connect to. The channel to be scanned can bechanged by pressing the appropriate keys 0 through 4.1. Enter Radio Signal Test mode.Using the KX-TD7685/KX-TD76950 to 9Log No.To store the scan dataPress 1, 9, and POWERfor more than 2 seconds.1 99Previous or Next 0 to 4Channel No.To survey other slots To survey specific channel/RADIO STRENGTH<<< MEASURING >>> RADIO STRENGTHCH0* 1 SLOT:06* 2 SYNC* 3L:12* 4 0000/0100* 5CS-ID:90053012340Display example:*1 : Channel number*2 : Slot number*3 : When a slot is synchronised, "SYNC" is displayed.*4 : Radio signal strength level (12 to 00)*5 : Frame error (0000 to 9999)/Frame counter (0000 to 9999). Frame error indicates the number oferrors out of 10 000 radio signal receptions. An increased number of frame errors indicates greaterradio signal interference and more frequent noise during conversation. The ideal number of frameerrors is "0000".*6 : Error rate (%) = Frame error (0000 to 9999) / Frame counter (0000 to 9999) ´ 100Note• Storing the scan data will clear all directory data.• The PS will not operate in normal mode if scan data is saved on it. For details on clearing scandata, refer to "Clearing the Stored Scan Data".2. Measure the radio signal strength by moving towards and away from the CS.a. Move to the CS until the radio signal strength level becomes "12".b. Move away from the CS and identify the CS coverage area within which the radio signal strength levelis greater than "8". Draw the area on the map.194 Installation Manual2.9.5 Site Survey
