Maintenance Manual – 
8242 DECT Handset 
 
8AL 90310 USAA Ed01                   5 /18 
2.2.2  Reset settings  
This feature allows the Admin to clear only the changed parameters in Settings menu to default, without 
clearing the registration.  Same function as the Reset Settings in the settings menu. Please note that it 
does not reset the Alarm settings, nor clear local contacts, nor calendar appointments, nor Alarm   nor 
ringing melody selection   and volume level. 
Valid inputs: Yes or No 
 
Screenshots 
   
2.2.3  Site Survey Mode 
This feature allows the user to enable the Site Survey mode. Once Site Survey mode is enabled, it will 
remain active until it is disabled or the phone is restarted. 
 
This mode is intended for debugging purpose and shall not be used for normal end user operation (while 
active, this mode can interfere with other features of the phone).  
Valid inputs: On or off 
 
Screenshots 
   
 
In  Site  Survey  Mode  the  handset  MMI  shows  the  RFP  to  which  the  handset  is  locked  to  and  the 
corresponding signal strength (RSSI).  
Handsets in site survey mode can display up to 5 Bases/DAPs with the strongest signal strength. 
 
Note: In this mode, battery autonomy is reduced. 
 
Valid Inputs: On or Off 
 
Legend for the site survey: 
Line 1: Lock State | Frequency | Slot | Base RPN locked |  
Line 2: RPN (up to 5 Bases/DAPs) 
Line 3: RSSI (up to 5 Bases/DAPs) 
Line 4: A field CRC error | X field CRC error | Z field CRC error | No Lock / Lock to: base number 
Line 5: Quality index | Slow/Rapid Measurements | Syn error field | Fading.