بسم الله الرحمن الرحيم
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ما ذكرته يستنتج منه ان الشاشة في مود الـ picture mute - black mute .

وتستلزم عمل reset أو دخولها في SDM - Service defult mode

عن طريق الآتي :

How to Activate SDM

For this chassis there are two kinds of SDM: an analog SDM
and a digital SDM. Tuning will happen according table “SDM
Default Settings”.

• Analog SDM: use the standard RC-transmitter and key in
the code “062596”, directly followed by the “MENU” button.
Note: It is possible that, together with the SDM, the main
menu will appear. To switch it “off”, push the “MENU”
button again.

• Digital SDM: use the standard RC-transmitter and key in
the code “062593”, directly followed by the “MENU” button.
Note: It is possible that, together with the SDM, the main
menu will appear. To switch it “off”, push the “MENU”
button again.
.

والله اعلي وأعلم .

تحياتي .