HP 50g Graphing Delay, Delkeys, RCLALARM, Stoalarm, CR, OLDPRT, PRLCD, PRST, PRSTC, PRVAR, PR1

…&9ALRM DELALARM

Input/Output:

		Level 1/Argument 1	Level 1/Item 1
		nindex	→
	FINDALARM,
See also:		RCLALARM, STOALARM
DELAY	Command
Type:
Description:	Delay Command: Specifies how many seconds the calculator waits between sending lines of
	information to the printer.
	Setting flag –34 directs printer output to the serial port. In this case, flag –33 must be clear.
	If flag –34 is set and transmit pacing is enabled (nonzero) in reserved variable IOPAR, then
	XON/XOFF handshaking controls data transmission and the delay setting has no effect.
	xdelay specifies the delay time in seconds. The default delay is 0 seconds. The maximum delay is 6.9
	seconds. (The sign of xdelay is ignored, so –4 DELAY is equivalent to 4 DELAY.)
	The delay setting is the first parameter in the reserved variable PRTPAR.
	A shorter delay setting can be useful when the calculator sends multiple lines of information to
	your printer (for example, when printing a program). To optimize printing efficiency, set the delay
	just longer than the time the printhead requires to print one line of information.
	If you set the delay shorter than the time to print one line, you may lose information. Also, as the
	batteries in the printer lose their charge, the printhead slows down, and, if you have previously
	decreased the delay, you may have to increase it to avoid losing information. (Battery discharge
	will not cause the printhead to slow to more than the 1.8second default delay setting.)
Access:	…µDELAY

Flags: I/O Device (–33), Printing Device (–34), I/O Device for Wire (–78)

Input/Output:

		Level 1/Argument 1	Level 1/Item 1
		xdelay	→
See also:	CR, OLDPRT, PRLCD, PRST, PRSTC, PRVAR, PR1
DELKEYS	Command
Type:
Description:	Delete Key Assignments Command: Clears userdefine d key assignments.
	The argument xkey is a real number rc.p specifying the key by its row number, its column number,
	and its plane (shift). For a definition of plane, see ASN.

Specifying 0 for xkey clears all user key assignments and restores the standard key assignments.

Specifying S as the argument for DELKEYS suppresses all standard key assignments on the user keyboard. This makes keys without user key assignments inactive on the user keyboard. (You can make exceptions using ASN, or restore them all using STOKEYS.) If you are stuck in User mode

—probably with a “locked” keyboard — because you have reassigned or suppressed the keys necessary to cancel User mode, do a system halt (“warm start”): press and hold ‡and C simultaneously, releasing C first. This cancels User mode.

Deleted user key assignments still take up from 2.5 to 62.5 bytes of memory each. You can free this memory by packing your user key assignments by executing RCLKEYS 0 DELKEYS STOKEYS.

Access: !&H KEYS DELKEYS

!°L MODES KEYS DELKEYS ( °is the leftshift of the Nkey).

Flags: UserMode Lock (–61) and User Mode (–62) affect the status of the user keyboard.

354 Full Command and Function Reference