40
KX-TG4771B/KX-TG4772B/KX-TG4773B/KX-TGA470B
10.1.6.4. TEST RANGE Check
Circuit block which range is defective can be found by the following check.
CHART1: Setting of TX Power and RX Sensitivity in Range Confirmation TX TEST, RX TEST
Note:
(*1) Refer to
Commands (Base Unit)
(P.52).
Item
BU (Base Unit) Check
P (Portable) Check
Range Confirmation TX TEST
(TX Power check)
P, BU setting
Checked unit: Low TX power (*1)
Regular unit: High TX power (*1)
1. Register Regular P to BU (to be checked).
2. Set TX Power of the BU and the Regular P
according to CHART1.
3. At distance of about 20m between P and BU,
Link OK = TX Power of the BU is OK.
No Link = TX Power of the BU is NG.
1. Register P (to be checked) to Regular BU.
2. Set TX Power of the P and the Regular BU
according to CHART1.
3. At distance of about 20m between P and BU,
Link OK = TX Power of the P is OK.
No Link = TX Power of the P is NG.
Range Confirmation RX TEST
(RX sensitivity check)
P, BU setting
Checked unit: High TX power (*1)
Regular unit: Low TX power (*1)
1. Register Regular P to BU (to be checked).
2. Set TX Power of the BU and the Regular P
according to CHART1.
3. At distance of about 20m between P and BU,
Link OK= RX Sensitivity of the BU is OK.
No Link = RX Sensitivity of the BU is NG.
1. Register P (to be checked) to Regular BU.
2. Set TX Power of the Checking P and the
Regular BU according to CHART1.
3. At distance of about 20m between P and BU,
Link OK= RX Sensitivity of the P is OK.
No Link = RX Sensitivity of the P is NG
BU (to be checked)
Regular_P
TX Power
TX Power
BU (Base Unit) TX Power Check
Low
High
BU (Base Unit) RX Sensitivity Check
High
Low
P (to be checked)
Regular_BU
TX Power
TX Power
P (portable) TX Power Check
Low
High
P (portable) RX Sensitivity Check
High
Low