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2.8 Connection of DECT Portable Stations
Installation Manual 157
2.8.5 Site Survey Using the KX-TCA255/KX-TD7590
The PS has a Radio Signal Test mode that monitors the state of the radio link to the CS for site survey. In
Radio Signal Test mode, the frame loss and signal strength of a synchronous slot, and the signal strength
of the other slots can be measured when the PS is monitoring the CS. After installing the CSs temporarily
as planned during site planning, set the PS to Radio Signal Test mode and locate each CS to measure its
coverage area. Then, record the results on the map of the installation site.
Testing the Radio Signal Strength
After locating the CS(s) temporarily, execute the Radio Signal Test using the PS. Directly after entering
Radio Signal Test mode, the PS scans channel 0 for a CS that it can connect to. The channel to be scanned
can be changed by pressing the appropriate keys 0 through 9.
1. Enter Radio Signal Test mode.
Using the KX-TCA255
Using the KX-TD7590
Notes
*1: Channel number
*2: Slot number
*3: When a slot is synchronised, "SYNC" is displayed.
*4: Radio signal strength level
*5: Frame error (0000 to 9999)/Frame counter (0000 to 9999). Frame error indicates the number of
errors out of 10 000 radio signal receptions. An increased number of frame errors indicates greater
radio signal interference and more frequent noise during conversation. The ideal number of frame
errors is "0000".
CAUTION
Storing the scan data will clear all directory data.
2. Measure the radio signal strength by moving towards and away from the CS.
0 to 9
Log No.
To store the scan data
Press 1, 9, and POWER
for more than 2 seconds.
1
9
9
Previous or Next 0 to 9
Channel No.
To survey other slots To survey specific channel
/
RADIO STRENGTH
<<< MEASURING >>>
RADIO STRENGTH
CH0
*1
SLOT:06
*2
SYNC
*3
L:12
*4
0000/0100
*5
CS-ID:9005301234
0
Display example:
Display example:
RADIO STRENGTH
<<< MEASURING >>>
CH0
*1
SLOT:06
*2
SYNC
*3
L:12
*4
0000/0100
*5
CS-ID:9005301234
0 to 9
Log No.
To store the scan data
Press 1, 9, and POWER
for more than 5 seconds.
1
9
9
0
Previous or Next 0 to 9
Channel No.
To survey other slots To survey specific channel
/