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GMC-I Gossen-Metrawatt GmbH
☞
Press the <
RCL
> key.
!
rcl
appears at the left-hand display, and the last selected
memory location number appears at the right-hand display.
☞
Select the desired address (11 ... 255) by pressing the <
↓
>
key or the <
↑
> key.
☞
Acknowledge your selection with the <
ENTER
> key.
!
Iset and Uset settings saved to this address blink at the
display.
☞
Browse through this memory location with the <
SELECT
> key
in order to view the respective parameter settings (see
chapter 4.8).
☞
All of the data saved to this memory location can now be
loaded by once again pressing the <
ENTER
> key.
!
If one of the recalled Uset or Iset values exceeds the currently
valid soft limit (Ulim and Ilim), execution of the command is
aborted,
Err 21
id displayed briefly and bit 5 is set in event
register B.
!
Only Uset and Iset are executed: tset is loaded as a current
setting value and is not executed.
☞
Another memory location can be immediately accessed with
the <
↓
> key or the <
↑
> key while the previous function is
being executed.
☞
Press the <
CE/LOCAL
> key to abort the
RECALL
function.
☞
Press the <
RCL
> key in order to return to the memory location
selection function.
☞
The
RECALL
function can be exited and another function
accessed by pressing any other function key, or by turning the
adjusting knob.
4.12 Disabling Front Panel Controls
The front panel controls can be disabled against inadvertent
changes to selected values and settings.
The behaviour during power on is also determined by the
selected power-on status parameter Pon (page 27).
Disabling
☞
Simultaneously press the <
CE/LOCAL
> and <
RCL
> keys.
!
The front panel controls are now disabled.
!
The yellow
LOCAL LOCKED
LED lights up.
Enabling
☞
Press and hold the <
CE/LOCAL
> key for at least 4 seconds,
or until the
LOCAL LOCKED
LED goes out.
Disabling and Enabling via the Analog Interface
☞
The
<CE/LOCAL>
key can also be disabled by applying a signal
to the trigger input at the analog interface and selecting the
appropriate setting for the
T_MODE
function, thus preventing
manual reactivation of the front panel controls.
4.13 The <ENTER> Key
The <ENTER> key is used to execute various functions in
combination with the respectively selected operating mode.
Pre-Selecting Setpoints (fixed value selection)
1) <
ENTER
>: change display from Uout/Iout to Uset*/Iset.
2) <
↓
> or <
↑
>: preselect Uset, Uset LED blinks.
3) <
ENTER
>: activate Uset value.
4) <
ENTER
>: change to Iset*.
5) <
↓
> or <
↑
>: preselect Iset, Iset LED blinks.
6) <
ENTER
>: activate Iset value.
* The adjustable <
RESOL
> decimal place blinks.
See also page 22, Pre-Selected Settings.
Activating Parameter Values
Textual or numeric parameter values are activated with the
<
ENTER
> key during device setup.
Executing Commands
<
SAVE
>: save data to the selected address.
<
RCL
>: recall data saved to the selected address. After pressing
the <
ENTER
> key the first time, the selected data blink at the
display, and are then executed after pressing the <
ENTER
> key
once again.
Sequence control: execution of SEq xxxx commands.
Function group selection: access parameter settings for the
selected function group.
Sequence and Step-by-Step Control
A running sequence can be suspended by pressing the <
ENTER
>
key.
Status change: RUN
→
HOLD
A suspended sequence can be resumed by pressing the <
ENTER
>
key.
Status change: HOLD
→
RUN
The next memory location can be executed by pressing the
<
ENTER
> key in the step-by-step control mode.
4.14 The <CE/LOCAL> Key
The
<CE/LOCAL>
key is used to execute a specific function in
combination with the respectively selected operating mode.
RESET Device Settings
Disable and Enable Front Panel Controls
Switch from REMOTE to LOCAL
Abort an Operation
Uset / Iset Entry
☞
<CE/LOCAL>
key
Switch to display of measured Uout and Iout values.
<SELECT> Display
☞
<CE/LOCAL> key
Switch to display of measured Uout and Iout values.
<SAVE> / <RCL> Function
☞
<CE/LOCAL> key
Abort <SAVE> and <RCL> functions, switch to display of
measured Uout and Iout values.
Function Group Selection
☞
<CE/LOCAL> key
Return to display of measured Uout and Iout values from
function group selection.
Function Selection
☞
<CE/LOCAL> key
Abort function selection, return to function group selection.
Text Parameters
☞
<CE/LOCAL> key
Abort selection, switch to display of selected text parameter.