增益控制器 Security Panel - QSC DCA1222 User Manual

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Security panel
After setting the gain controls, you can install the security panel to prevent
tampering and accidental misadjustment.
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Installing the security panel
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1. Use a 9/64" or 3.5 mm hex key to back the screw out several turns.
2. Slide the right end of the security panel just under the screw head.
3. There are tabs on the left end of the security panel. Insert them into the
keyed portion of the rightmost ventilation slots, then slide the panel to the
right so it locks in the slot.
4. Now insert the tabs on the right end of the security panel into the pair
of slots at that end, then tighten the screw to secure the panel. Do not
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Removing the security panel
1. Use an angle 9/64" or 3.5 mm hex key to back the screw out several turns.
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2. Use a small fl at screwdriver to lift the right end of the security panel so that
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its tabs are free of the slots in the front panel.
3. Slide the security panel to the left until you can lift the left end free of the
slots, then slide the panel to the left to remove it from behind the screw.
安全面板
设置增益控制器后，就可以安装安全面板，以防止误用和意外错
误调整。
安装安全面板
1. 使用 9/64 英寸或 3.5 毫米六角扳手将螺丝松开几圈。
2. 将安全面板右端滑动到刚好螺丝头下方。
3. 安全面板的左端上有接头。将接头插入最右端通风插槽的键控
部分，然后将面板向右滑动，以使其锁定在插槽中。
4. 现在，将接安全面板右端的接头插入右端的那对插槽，然后旋
紧螺丝，以固定面板。不要拧得过紧。
拆除安全面板
1. 使用 9/64 英寸或 3.5 毫米的六角扳手将螺丝松开几圈。
2. 使用小扁平螺丝刀撬起安全面板右端，以使其接头脱离前面板
中的插槽。
3. 将安全面板向左滑动，直到可以左端移离插槽，然后将面板向
左滑动，以将其从螺丝后方拆除。