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KX-TG4753B/KX-TG470B/KX-TGA405B
<How to change the Auto Disconnect activation time and VOX level>
A) Auto Disconnect activation time:
Some Telephone Company lines (fiber or cable) ON Hook and OFF Hook voltages are lower than conventional lines, which may
cause a malfunction of Auto Disconnect detection. To solve this problem, try changing the Auto Disconnect activation through
the procedures below.
1) Press "MENU " key at standby Mode and "#" key.
Note:
The set must power on and be linked.
2) Press "9", "0", "0", "0"," " .
3) Press "7","3","1".
4) Then enter the below last digit;
5) Back to "standby" mode automatically after step 4).
You can hear beep sound which is a confirmation tone.
Service ready
:7 3 1
CLEAR
Service ready
:
BACK
LCD (H/S)
last digit
"0"
Auto disconnect & CPC
: enable
㨇
default
㨉
(*1)
(*1)
Auto disconnect & CPC
: disable
(*2)
"1"
"2"
Auto disconnect : enable
CPC : disable
Note:
(*1) Both Auto Disconnect and CPC don't detect for the first 2 seconds.
(*2) If the "Disable" is selected, even if the parallel-connected telephone is OFF HOOK,
the line isn't disconnected.
