Quantum HD 9021 If a high value is to be set, Disabled, Threshold this key is used to, E1 appears

ENGLISH

Key	Symbols lit besides	Description
	the numbers

if a high value is to be set.

	This key has two functions; in the
	first, when Q is set, it increases the
	value; the second function enables
	the serial output. When the key is
	pressed only once, the figure
	shown on the display is sent to the
	serial output. If the key is pressed
	for more than three seconds the
	continuous serial output is enabled;
	this means that what is shown on
	the display is sent continuously to
	the serial output every 10 seconds.
	To quit, press the 1key.
	During Q setting the serial output is
	disabled.
	During setting of the maximum Q
	threshold this key is used to
	decrease the set value.
A	Key for selecting the input A probe,
	if the probe is not inserted the "Err"
	message appears.
B	Key for selecting the input B probe,
	if the probe is not inserted the "Err"
	message appears.
A-B	Key for displaying the difference in
	value between inputs A and B; if no
	probe is inserted, or if the probes
	are of a different type, the message
	E1 appears.

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