Tektronix PFG 5105, Instruction Manual

Page: 38 / 89

Table 2-2 (Cont)
FRONT PANEL ERROR CODES
Error Description
284 Pulse mode. Period-(width + delay) < = 40 ns
285 Double pulse. Delay =swidth
286 Double pulse. Delay :s; (width + NI) .
290 Synt illegal data
302 System error
350 Synthesizer out of lock
650 Low battery
660 Output overload
If no error is found during self test, the instru­
ment enters the local state with the settings listed in
Table 2-1.
Store/Recall Settings
The PFG 5105/5505 can store 99 front-panel setups
in non-volatile memory; the stored setups can be
recalled (front panel settings are changed to match
the stored setup).
To store the current front panel settings in a settings
buf f er, press STORE, a settings buffer number (using
the DATA keypad), then press ENTER. Settings buffers
are numbered O through 99; settings buffer number
o
is a read-only buf f er that contains the power-on
settings listed in Table 2-1. (At shipment, all buf f ers
contain the power-on settings.)
The following settings are not stored in settings buf f ers
by the STORE function, but are retained in non-volatile
memory and used at power-on:
Display intensity/backlight (SPCL function 220)
GPIB address (SPCL function 240)
GPIB message terminator (SPCL function 241)
To recall a stored setup, press RECALL, the number
of the buffer that contains the desired setup, and
press ENTER.
Special Functions
The PFG 5105/5505 has a series of special functions
that allow the user to change additional instrument
settings. These functions are listed in Table 2-3.
To invoke a SPCL function, press SPCL. Then, enter
the three-digit SPCL code and press ENTER, or press
PFG 5105/5505 Instruction Manual
Operating Instructions
the INCREMENT up- or down- arrow keys to page
through a menu in the display of the SPCL functions
(both the code and a the function name are displayed).
Use the keys indicated in the SPCL function descrip­
tion following to modify the function; then press any
FUNCTION key to exit the SPCL function and restore
the display.
Code
100
210
220
230
240
241
260
2 7 0
Table 2-3
SPECIAL FUNCTIONS
Description
Identifies the product type and displays the
product version number, the firmware ver­
sion number, and option number: TEK PFG
5105 V 81.1 F1 .0 OPT02. OPT02 indicates
that the Option 02 synthesizer is installed;
instruments without the option do not return
an option statement.
Enters the pulse generator frequency as a
period or returns to frequency ent r y. Use
the increment/decrement keys to toggle
between frequency or period ent r y. When
using period entry, there will be only 3 1 /2
digits resolution in SYNT mode.
Changes the intensity and back-lighting lev­
el; use the INCREMENT up and down arrow
keys to increase or decrease the intensity
of the characters; backlighting automati­
cally toggles between ON and OFF when
the user presses ENTER.
Frequency lock mode selection. Press eith­
er INCREMENT key to toggle the frequency
lock status between ON and OF F.
This function allows the user to change the
GPIB address from the front panel. Use
the INCREMENT keys to increment or dec­
rement the displayed address.
This function allows the user to change the
GPIB termination from the front panel. Use
the INCREMENT up and down arrow keys
to toggle between terminators.
Range lock (enables external wide sweep).
Press either INCREMENT key to toggle
range lock on or off. Refer to Frequency
Modulation in this section.
Downloads demo setting into settings buf­
fers 90-99. See Table 2-4 . This will write
over any se t ting in these buffers.
(continued on nex t page)
2-1 1