Chromalox 1604 User Manual download pdf (Page 22)

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SP2 = Flashing at slow rate when SP2 is used.

Flashing at fast rate when a set point from

serial link is used.

MAN= Flashing at slow rate, when the instrument

is in MANUAL mode.

Pushbutton functionality during operating mode.

FUNC = o when the instrument is in "normal

display mode"

1) with a brief pressure (<3s) it starts

the parameter modification

procedure.

2) with a pressure within 3s to 10s it

changes the indication on the lower

display (see "display function").

3) with a pressure longer than 10s it

enables the lamp test (see "Lamp

Test" paragraph).

o During parameter modification, it

allows to memorize the new value of

the selected parameter and go to the

next parameter (increasing order).

MAN = o when the instrument is in "normal

display mode", pushing MAN

pushbutton for more than 1 s, it is

possible to enable or disable the

manual function.

o During parameter modification, it

allows to scroll back the parameters

without memorizing the new setting.

s = o During parameter modification, it

allows to increase the value of the

selected parameter

o During MANUAL mode, it allows to

increase the output value.

t = o During parameter modification, it

allows to decrease the value of the

selected parameter

o During MANUAL mode, it allows to

decrease the output value.

s+FUNC = when device is in normal display

mode, they allow to enable/disable

the control output (see "Enable/

disable the control output" para-

graph).

s+MAN = During parameter modification they

allow to jump to the maximum

programmable value.

t+MAN = During parameter modification they

allow to jump to the minimum

programmable value.

NOTE: a 10 or 30 seconds time out (see P 35)

can be selected for parameter modification during

run time mode.

If, during parameter modification, no pushbutton

is depressed for more than 10 (30) seconds, the

instrument goes automatically to the “normal

display mode” and the eventual modification of

the last parameter will be lost.

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