RPR-4000
Operations manual
REV 8-21 32
Repetition rate RR
Table 3.2 lists the different repetition rates provided. If a setting other than those listed is
entered the unit will select and display the closest setting below the entered value (e.g., an
entry of 390 Hz will result in a repetition rate of 250 Hz.)
If a rep. rate setting is entered which would result in a burst width exceeding 1% duty
cycle the unit will recalculate the burst width based on the new rep rate and display the
new P.W. in cycles and μs (USEC). The message ‘MAX DUTY CYCLE’ will be
displayed.
NOTE: Arrow keys cannot be used to change the RR setting. The desired RR
setting must be entered in using the numeric key pad. For example, to change the
repetition rate to 50 Hz, you must press ENTER 0 0 0 5 0 0 0 ENTER. See Table 2.1 for
the available repetition rates from the internal signal generator.
Table 2.1: Available repetition rate settings
10000.000
01000.000
00100.000
00010.000
00001.000
00000.100
08000.000
00800.000
00080.000
00008.000
00000.800
00000.080
05000.000
00500.000
00050.000
00005.000
00000.500
04000.000
00400.000
00040.000
00004.000
00000.400
02500.000
00250.000
00025.000
00002.500
00000.250
02000.000
00200.000
00020.000
00002.000
00000.200
01600.000
00160.000
00016.000
00001.600
00000.160
01200.000
00125.000
00012.000
00001.250
00000.125
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