IBM 390 Guide D’Installation Rapide
Function Keys
You can change operational features instantly using
the following Fn key and function keys
combinations:
the following Fn key and function keys
combinations:
Fn +
Result
F2
The window for the battery power status
appears or disappears. (The Fuel-Gauge
program must first be activated.)
appears or disappears. (The Fuel-Gauge
program must first be activated.)
F3
The computer enters standby mode.
F4
The computer enters suspend mode.
F7
The display output location changes.
F11
During battery-power operation, the power
mode changes.
mode changes.
F12
The computer enters hibernation mode.