15Screen Contrast AdjustmentYour screen has a backlight that automatically switches off after 15 secondsof inactivity. To decrease or increase the contrast of the backlight:Press MUTEUse ▲ or ▼ to select ‘SET PHONE’Press OKUse ▲ or ▼ to select ‘LCD CONTRAST’Press OKUse ▲ or ▼ to select the contrast level that is correct for youPress OK to exit (it will automatically return to time and date screen)Auto On HookWhen this feature is ON, if you leave the telephone off the hook by mistake,the AMPLI600 will automatically disconnect the line after 5-8 minutes andyour telephone will be ready to take another incoming call.Press MUTEUse ▲ or ▼ to select ‘SET PHONE’Press OKUse ▲ or ▼ to select ‘AUTO ON HOOK’Press OKUse ▲ or ▼ to select ‘ON’ or ‘OFF’Press OK to confirmPress C twice to exitSETTINGS
