根据

技巧5
使你的信号强度显示成为数字
在桌面下按住alt并输入nmll
信号强度与信号柱状图间的对比关系
dBm 信号强度————-柱状图显示
-40 to-77 ——————–5
-78 to-86 ——————–4
-87 to-92 ——————–3
-93 to-101——————-2
-102 to-120——————1

我想请教的是，如何改回柱状图呢？
望高手点拨

How To - Change the signal strength indicator

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The signal strength indicator on the BlackBerry device can be displayed as either a number or a bar graph. The number represents the signal strength in decibels (dB).

To change the signal strength indicator on your BlackBerry device, complete the procedure that corresponds with your BlackBerry device model.
For the RIM 850 Wireless Handheld, RIM 850 Wireless Handheld, RIM 850 Wireless Handheld, and RIM 850 Wireless Handheld, press and hold the ALT key and type dbon. To switch back to the bar graph, press and hold the ALT key and type dboff. Note: The battery indicator will also appear as either a number or a bar graph. The number represents the percentage of battery life remaining.
For the BlackBerry 7100 Series, press and hold the ALT key and type nnmll. (There is an extra n beause the key is shared with the letter B.) To switch back to the bar graph, press and hold the ALT key and type nnmll.
For all other BlackBerry devices, press and hold the ALT key and type nmll. To switch back to the bar graph, press and hold the ALT key and type nmll.

就是说怎么来，就怎么回，嘿嘿，真笨