User manual
GMC-I Gossen-Metrawatt GmbH 17
Rotary Encoder
for Current
Current setpoint Iset – adjust output current setpoint
Condition: IL_L (lower setting limit) ≤ Iset ≤ IL_H (upper setting limit)
When the rotary encoder is activated, the display is switched to Iset (LED) and the cursor becomes active – the selected decimal
place blinks at the display and can be selected with the
Y and Z scroll keys The new setpoint becomes effective immediately.
Device Status Displays
REMOTE LED lights up Remote control is active
ADDR/DATA
LED lights up Addressing / data transmission is active
SRQ/ERR LED lights up Service request / error
LCL LOCKED
LED lights up
Control panel is disabled
SEQ STS LED lights up Sequence function in HOLD status
blinks Sequence is active (RUN)
Status Displays
TRG1 LED lights up Trigger signal 1 is active
TRG2 LED lights up Trigger signal 2 is active
Uext ON LED lights up Voltage input via analog interface is active
Iext ON LED lights up Current input via analog interface is active
M/S LED lights up Master-slave function
Numeric Keypad – Menu Functions
MENU Adjustment of parameters and functions
Sset Switching function: display and adjust signal level
SAVE Save basic device settings (device parameters)
RCL Recall basic device settings
SEQ ... Sequence functions: EDIT, CONDITION, CONTROL, MEMORY
NUM Numeric entry, if active the ENTER LED lights up:
↵
transfer setting value or acknowledge selection
ESC/LOCAL Return from menu level to standard display, abort of entry, ...
Lock ESC/LOCAL + SEQ CTRL: disable control panel,
press and hold ESC longer than 4 seconds: enable control panel
RST ESC/LOCAL + 0: reset device settings to default values
8
1012
Computer Interface
USB port
9
Scroll Keys
UIncrease Uset,
Iset or
parameter
values
VReduce Uset,
Iset or
parameter
values
Y Select entry
position or scroll
within the main
menu level
Z Select entry
position or scroll
within the main
menu level
7
Display B
Standard display: measured
current value Iout, display
function is changed by
pressing the SELECT A key
or by turning the rotary
knob. Adjust resolution
(select decimal place) with
the
Y and Z scroll keys.
Select B
Display selection:
Iout → Iset → OCset → Pout
Iset adjusting alternatives
Activate by turning the rotary encoder, or select with Select B Iset
Scroll keys
Y Z: select decimal place UV: immediately increase or reduce Iset
Numeric keypad Entry of numeric values, Uset LED blinks Execute with
↵, or abort with ESC