Operating instructions

LOCAL OPERATION
3-14
Logic Lines
The optional Accessory Port on the rear panel allows the control of external devices by logic
control from the instrument. The use of this facility, how to make connections to it and how to set
up the switching is explained under Accessory port (rear optional) starting on page 3-101
The state of the logic lines are set from the Set-up page accessed by pressing the [Logic Lines] soft
key.
GPIB Address
Pressing the [GPIB Addr] key allows a new GPIB address to be entered by using the data input
keys to enter the digits, followed by the ENTER terminator key. It may have a value between 1
and 30.
Remote Control
The Service Monitor can be operated by remote control using either the RS232 (serial) port or the
optional GPIB (IEEE 488) interface. The [Remote Control] key toggles between the two options
The active function is highlighted in inverse video.
Serial Setup
The[Serial Setup] key gives access to the serial port setup menu. The parameters that must be set
for compatibility with other equipment connected to the port are:-
Baud Rate; Parity Bit; Character Length; Stop Bit; and Handshaking.
Setting up of the serial port is described in the Chapter 4 of the Programming manual (46882/318)
under Preparing the Service Monitor for remote operation.
Printer Setup
A menu of printer type options and printer port selection is accessed through this key. The options
are:-
Epson FX80 or FX100.
Laser Printer 75 dpi, 100 dpi, 150 dpi.
RS232 serial port or ‘Centronics’ parallel port. The selected port is highlighted in inverse video.
If the parallel port option is not fitted, it is not shown on the menu, and the [Printer Port] key
enables or disables the RS232 serial port as a printer port.
Power Up From
Successive presses of this key will toggle through the options available for configuration of the
Service Monitor at ‘Power Up’.
Last Used Store 0
Store 0
is loaded with the current settings each time power is removed from the instrument. With
this selection made, the instrument will power up to the same settings as when power was
removed, whether this was by user action or through power failure.
Preset Store 1
Store 1 contains the factory preset settings. With this selection made, the instrument will power
up to the Rx TEST mode with all settings, for every mode, to the factory preset settings and
options.
User Store 2
Store 2 is the first user accessible store, which is loaded through the user memory function. With
this selection made, the instrument will power up to the settings stored in user memory store 2
without having to access the memory as a separate function.
Access to the user memory is by pressing the orange [MEM] key. See Stores, settings/results,
later in this chapter, starting on page 3-91.