Casio DT-X5 Series manual F1 Deletes one character to the left

General Guide

11	Function Keys	These can be assigned arbitrary functions other than functions for reading
		bar codes. They are initially assigned the following default settings.
		F1: Deletes one character to the left.
		F2: Inputs a hyphen (-).
		F3: Inputs a period (.).
		F4: Switches character input (between numbers and alphabets
		(upper case)).
		F5: Inputs a space.
		F6: Functions similar to the Tab key on a PC. Used to move
		items for input or selection.
		F7: Functions similar to the Tab key on a PC. Used to move
		items for input or selection (but moves the opposite to F6).
		F8: Not set.
12	IR Port	This port is used for IR communication with another Handheld
		Terminal or with the Bridge Satellite Cradle/Bridge Basic Cradle.
13	Power Contacts	These are used to supply power from the Bridge Satellite Cradle/
		Bridge Basic Cradle and Cradle-type Battery Charger.
14	CLR Key	This is pressed to clear the contents of all key inputs.
15	Fn Key	This is used to make various settings or start up preliminary
		registered applications by sequentially pressing in combination with
		a function key (F1 to F8) or numeric key (0 to 9).
		The following examples show the combinations with the numeric
		keys.
		Fn + 1: Switches backlight on and off.
		Fn + 2: Darkens contrast.
		Fn + 3: Lightens contrast.
16	Main Battery Cover	Slide these switches when opening and closing the main battery
	Lock Switches	cover.
17	R Trigger Key	This key is used to read bar codes. It is also pressed when
		performing a full reset.
18	L Trigger Key	This key is used to read bar codes. It is also pressed when
		canceling a full reset.
19	Wrist Strap Hook	This is used when attaching the wrist strap.
20	Reset Switch	This is pressed to reset the Handheld Terminal.
21	Main Battery Cover	Covers the compartment that holds the battery pack or AA size
		alkaline batteries.
22	Bar code Reader Port	Laser light is emitted from this.
		Reads bar codes (Laser Scanner models)
		Reads bar codes and stacked 2D codes (C-MOS Imager models)
23	Buzzer	Produces a buzzer tone.
24	Maintenance	This is used when performing maintenance and repairs. This
	Connector Cover	cover should normally not be opened.

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DT-X5_E_P25_26.p65 26 04.7.27, 3:30 PM