Specifications

Operating Manual SEFRAM 4451
M4451 A00
30
GPIB Menu
F2: RS232 -Selects the RS232 remote control mode. After selection, the baud rate can be selected as
1200, 2400, 9600, 19200, 38400, 57600 or 115K. Always the RS-232 uses 8 bit data, 1
stop bit and no parity.
F3: INTEN - Selects the intensity of the LCD display. Select a value using the rotary input knob.
Valid numeric values are from 1 to 31. The value is kept in the nonvolatile memory, after
a 20 seconds time-out.
F4: POWER - (Power-on default) Selects the power-on default setting. Select a value using the data
keys or the rotary input knob. The selection is effective after a 20s time-out period.
Select zero (0) to have the pulse generator power on with the factory default settings.
Select 99 to have the pulse generator power-on with the settings it had at the last power-
off. Select any other value in the range from 1 to 98 to have the pulse generator power-on
with the settings that you have saved with SETUPS STORE in the range 1 to 98.
Power-On Menu
3.7 ON Key
Use these key to control the main output signal. A build-in LED lights when the output is active.
3.8 Cursor Movement Keys
Use these keys to move the cursor (when visible) either left or right. They are used in conjunction with the
rotary input knob to set the step size of the rotary input knob.
3.9 Rotary Input Knob
Use this knob to increase and decrease numeric values or to scroll through a list. The cursor indicates the low-
order position of the displayed value which changes when you rotate the knob (for straight numeric entries
only). For other types of data, the whole value changes when you rotate the knob.
3.10 Power-On Settings
At power-on, the pulse generator performs a diagnostic self-test procedure to check itself for errors.