Optiquest iRIS 220 LCD & Keypad iRIS 320 only, LCD Operation, Status Icons, Keypad Buttons

iRIS 220 / iRIS 320, V1.19 User Guide - 42

5.2 LCD & Keypad (iRIS 320 only)

5.2.1 LCD Operation

The iRIS 320 LCD is controlled to optimise power consumption. If the display has powered down, the unit is in a lower power mode and can be woken by pressing any key on the keypad.

After a certain period of no key presses, the display and backlight will power down again, although other functions continue normally. If the user was logged on (PIN entered), they will be logged off. This version of software has the timeout period set to 5 minutes.

5.2.2 Status Icons

At the top of the LCD is a row of status icons.

House			R
Indicates current wireless connection state as given below:			Indicates presence of data in receive buffer
￿	Invisible	Disconnected	￿	Invisible	No data in receive buffer
￿	Outline	Connecting	￿	Solid	Some data in receive buffer
￿	Solid	Connected

Envelope	D
Flashes when an unsolicited call-in is pending or in progress. Indicates presence of data in transmit buffer
	￿	Invisible	No data in transmit buffer
	￿	Solid	Some data in transmit buffer

Padlock			Signal
Indicates current access level			Indicates signal strength.
￿	Invisible	logged in	Only updated when wireless modem is powered up
￿	Outline	logged out	but GPRS/CDMA-1X session not active.
￿	Solid	secure

Spanner			Battery
Indicates presence of terminal connection			Indicates current battery charge.	The level
￿	Invisible	No terminal connected	indication bars cycle when charging is in progress.
￿	Solid	Terminal connected

5.2.3 Keypad Buttons

The four keypad buttons are used to navigate through the LCD screens. Their use varies depending upon the current screen in view; however the key combinations listed below are constant for all screens.

Alt +	Pan display right
Alt -	Pan display left

NOTE: The display has been designed for a maximum of 24 characters per line even though the actual LCD can only display 12 characters. Using the panning function allows additional text to be viewed. This is most useful when viewing logged data samples, where the sample date and time information is off the screen when the display is fully left.

42 iQuest (NZ) Ltd - PO Box 15169, Hamilton, New Zealand Tel: +64 7 857-0810 Fax: +64 7 857-0811 Email: iquest@iquest.co.nz