2013منتدى Monitors
Cinetronic 2 مراقبة التسخين المفرط والفشل الحاد عند التعرض لضوء الشمس المباشر
مضى على هذا 13 سنة. قد تكون المعدات والأسعار قد تغيّرت منذ ذلك الحين.
موضع خلافاختلف المشاركون ولم يصلوا إلى خلاصة. اقرأ النتائج على أنها مواقف، لا إجابة.
ما توصّل إليه النقاش
- وتحولت بيكسلز على الشاشة Cinetronic 2 إلى اللون الأسود بعد التعرض المطول لضوء الشمس المباشر، مما يشير إلى الضرر الحراري.
- وشهدت الوحدات المتعددة التي تم اختبارها (ثلاثة مراقبين على الأقل) إخفاقاً بالغاً عند وضعها في ضوء الشمس المباشر في درجات حرارة خارجية تتراوح بين 72 و79 درجة فهرنهايت في غضون 17-19 دقيقة من التشغيل.
- The monitor is marketed as sunlight-readable, but showed thermal failure at brightness and contrast settings of 50% with no LED panel lights active.
- The Cinetronic 2 uses a 1024x600 LCD screen with 900-1K nit output, which differs from other monitors using different screen specifications.
- The maximum operating temperature specification for the LCD panel is 140 degrees Fahrenheit, which can be reached in direct sun without additional power draw.
- Competitors have addressed thermal issues in high-brightness monitors by incorporating dual switchable cooling fans.
- Some operators reported no thermal issues with Cinetronic 2 monitors in field use under high temperature conditions, suggesting the problem may be intermittent or affected by specific conditions.
- The brightness and contrast menu settings appear to operate on a 0-100 scale where the 50 value may not represent 50% of maximum output, and software revisions may change the actual light output at any given numerical setting.
يعتمد على
- Testing conducted on monitors sitting stationary on a bench; field use involves constant movement which may provide some air cooling not present in stationary tests.
- The manufacturer stated they tested the monitor in sunlight without observing the reported problem, creating disagreement about whether the issue represents a real production defect.
- Unknown whether all Cinetronic 2 units share the same screen component or if different production batches used different LCD panels.
- No confirmation of the specific backlight settings used during reported failures; the relationship between menu brightness/contrast values and actual light output is unclear.
- The thermal failure may be reproducible only under specific environmental and usage conditions not yet fully characterized.