Series EJ, ET, EY, FJ & FR
102002-177 Rev M2
13
\1020\02177M2.doc 17 Jun 2019
Table 3
Front Panel Control, Display and Indicators
ELEMENT
DEVICE
TYPE
FUNCTION
DESCRIPTION
1
VOLTAGE
ENCODER
Optical Rotary
Sets: VOLTAGE PROGRAM in
FINE or COARSE increments,
and SS SLOPE.
0.025% / 0.25% Resolution for
Fine/Coarse Adjustment. SS SLOPE:
0-31 seconds
2
CURRENT
ENCODER
Optical Rotary
Sets: CURRENT PROGRAM in
FINE or COARSE increments.
0.025% / 0.25% Resolution for
Fine/Coarse Adjustment.
3
HV ON
Momentary
Pushbutton;
Latching
Turns the HV ON and lights
LED. (Item 18)
With HV ON set to ON the SS SLOPE
button is inactive.
4
PRESET
Momentary
Pushbutton;
Toggle On
Timer*
Allows viewing and setting of the
VOLTAGE PROGRAM and the
CURRENT PROGRAM and
lights LED. (Item 15)
When the PRESET button is pressed,
the values of the voltage and current
programs are displayed on the front
panel meters.
5
FINE ADJ.
Momentary
Pushbutton;
Toggle
Sets 0.025% resolution for FINE
adjustment and 0.25% resolution
for COARSE Adjustment and
lights LED. (Item 17)
Affects only VOLTAGE PROGRAM
and CURRENT PROGRAM.
6
CONTROL
LOCK
Momentary
Pushbutton;
Toggle
Locks the voltage and current
encoders at their current settings
and lights LED. (Item 19)
7
SS SLOPE
ADJ.
Momentary
Pushbutton;
Toggle On
Timer*
In standby, pressing first the
PRESET button, then this button
allows SS SLOPE adjustment.
Voltage display reads the SS Slope
setting in seconds. SS SLOPE: 0-31
seconds.
*
On Timer: A 5 second timer is initialized after pressing the button and is reset continuously while adjusting the
optical encoders. At the end of the last uninterrupted cycle of approximately 5 seconds, the display switches back from
showing the respective function to the default state (showing actual Voltage and Current outputs).
