本文提供1939L 19英寸开放框架触摸屏文档的链接（已于2017年4月停产）
1939L开放框架触摸屏（已于2017年4月停产）所有文档的网络链接如下：
部件号：E215546 E248997 E945445 E779866
- 尺寸图 - https://docs.elotouch.com/open-frame-touchscreens/legacy-standard-aspect-ratio/MS500786_Rev_K.pdf
- CAD图纸 - http://www.support.elotouch.com/CadRequests/Agreement.aspx?Model=1939L&Type=LCD
- 机构批准证书 - https://docs.elotouch.com/open-frame-touchscreens/legacy-standard-aspect-ratio/MD600015.pdf
- WEEE报告 - https://docs.elotouch.com/open-frame-touchscreens/legacy-wide-aspect-ratio/ac600005_a.pdf
- 规格表 - https://docs.elotouch.com/open-frame-touchscreens/legacy-standard-aspect-ratio/DS000099_1939L_1931L_1.pdf
- 用户指南（英语） - https://docs.elotouch.com/open-frame-touchscreens/legacy-standard-aspect-ratio/sw600873_c_EN.pdf
- 用户指南（繁体中文） - https://docs.elotouch.com/open-frame-touchscreens/legacy-standard-aspect-ratio/SW601836.pdf
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