但是偏偏N81上沒有這個編輯按鍵

How to use ScreenSnapS60 on the Nokia N92?
The Nokia N92 has no Edit key. There is however a workaround to still use ScreenSnapS60 on the Nokia N92:
Use the "Take screenshot" Options menu item in combination with the "Delay first shot" setting (setting nr 8) e.g. 5 sec
Process to folllow:
- switch back to ScreenSnapS60
- press Options | Take screenshot
- switch to the screen of which a screenshot has to be taken
- wait until screenshot is taken