Specifications

FRONT PANEL KEYPAD DEFINITION (PD-A > 600W Models)
VOLT CURR OV/TIME UTILIY
7 8

9 LOCAL
VLIST ILIST RANGE

4 5 6

RELAY
OUT ON/OFF OVP ON/OFF
OCP ON/OFF
1 2

3 CHANNEL
VLIST ON/OFF ILIST ON/OFF
RESET
0
x
CLEAR ENTER
Most soft keys have dual functions. The first function is mode entry as described by VOLT, CURR right
above the key. Once in a mode entry, use these keys as numeric keypad to enter the desired number. Press
ENTER key to accept the number keyed or CLEAR key to clear the number.
FRONT PANEL FEATURES
1. VFD Display Displays alphanumeric information with status enunciators. A detailed
listing of descriptions is presented in section VFD STAUS
ENUNCIATORS
2. Power On/Off Powers on the unit.
3. Press this key to enter a new voltage setting in flashing bracket or to
display the present voltage setting.
Numeric key
for 7.
4. Press this key to enter new current setting in flashing bracket or to
display the present current setting.
Numeric key for 8.
7. Press this key to enter new over voltage protection value in flashing
bracket or to display the present over voltage protection value. This
key can also be used after pressing #4 key or #5 key to alter time
interval in millisecond for STEP programming. Numeric key for 9.
8. Restarts the PDS similar to a warm boot for computer. If in entry
mode, pressing this key will clear the number entered or return
to the previous mode. This key can also be used to disable an
over-voltage condition.
7. Press this key to enter utility menu to change GPIB address, RS-232
speed, and RS-232 response speed or loop count of step. (These
functions will be explained in details in the display section). Use #8
key and #2 key to scroll to the desired sub-menu t be change and use #4
key and #6 key to alter the setting in the sub-menu.
8. Press this key to do current step programming. Use #8 key and #2 key
9
OV/TIME
CLEAR
RESET
LOCAL
UTILITY
5
ISTEP
7
VOLT
8
CURR
5-17