Store Settings; Deleting Stored Settings; Recall Settings; Extra Functions - TTI QL Serie Manual De Instrucciones

Store Settings

The instrument can store 10 set-ups in non-volatile memory; the parameters stored are range,
voltage, current limit, OVP and OCP. The output state and remote sense setting are not stored.
To store a set-up press SHIFT, STORE, store no., OK; the store no. is any key 0 to 9.
After key-presses SHIFT, STORE, the display shows
(the light goes off). At this point, pressing any number key will display that number in place of the
and show either
e.g.
StorE 1.E
after another (i.e. without having to press SHIFT, STORE each time) before the selection is
confirmed with the OK key. A full store can be overwritten with new settings. At any time before the
OK key is pressed the store function can be exited without saving a set-up by pressing ESCAPE or
by waiting 10 seconds from the last key entry.

Deleting Stored Settings

Any store can be returned to 'empty' as follows: select the store by pressing SHIFT, STORE, store
no.; at that point press · . The display now shows
2.F ; pressing OK deletes the content of the store.

Recall Settings

To recall a set-up press SHIFT, RECALL, store no., OK; the store no. is any key 0 to 9. After
key-presses SHIFT, RECALL, the display shows
light goes off). At this point, pressing any key 0 to 9 will preview the voltage and current settings of
that store number; the settings flash to indicate preview mode.
Any number of stores can be previewed by pressing one number after another (i.e. without having to
press SHIFT, RECALL each time) before the selection is confirmed with the OK key. Empty stores
are indicated by flashing
Recall function can be exited without recalling a set-up by pressing ESCAPE or by waiting 10
seconds from the last key entry.
Settings may be recalled with the output on or off. However, if the recalled setting involves a range
change the output is turned off to avoid any 'glitches'. After pressing SHIFT, RECALL, store no., the
ON/OFF key will flash (as well as the OK key) if completing the recall involves a range change. The
output may be turned off with the ON/OFF key and the recall then completed by pressing OK, or OK
may be pressed directly in which case the output is automatically turned off and the recall completed.

Extra Functions

Variations on some of the factory default functions can be set by the user by using the # extra
functions facility. Each function change, detailed in the list below is accessed by pressing SHIFT, #,
nn, when nn is the 2-digit number in the list below; the display changes to
SHIFT, # and the buzzer gives a confirmation beep when the 2-digit number entry is complete.
# Code
00
01
20
21
22
23
24
E (store Empty) or
, . Any number of stores can be checked by pressing one number
StorE 2.F
in every digit position. At any time before the OK key is pressed the
–
Function
Output always off at power-up (factory default)
Output status at power-up the same as at last power-down
Alarm output 'open' for Output off, 'closed' for Output on
(not used in single output PSU)
Alarm output 'closed' when over-temperature trip occurs
Alarm output 'closed' when sense trip occurs
Alarm output 'closed' when over-current trip occurs
StorE -
F (store Full) beside it,
dELEt
rECAL –
; the SHIFT function is cancelled
in place of
StorE
; the SHIFT function is cancelled (the
HASH No._
–
, e.g.
dELEt
after
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