Racal Instruments 2251A Operator's Manual page 58

Table 3.20 - Alphabetical List of 2251A Command Codes (continued)
CODE
R3 Enable external arm input on backplane connector P2 C 24 (TTLTRG3)
R4 Enable external arm input on backplane connector P2 A 26 (TTLTRG4)
R5 Enable external arm input on backplane connector P2 C 26 (TTLTRG5)
R6 Enable external arm input on backplane connector P2 A 27 (TTLTRG6)
R7 Enable external arm input on backplane connector P2 C 27 (TTLTRG7)
R8 Enable external arm input on front panel (Input D)
RA Selects Ratio A/B measurement mode
RC Selects Ratio C/B measurement mode
RDT Recalls arming delay time
RE Resets measurement
RF Reads total so far
RGS Recalls VXIbus Processor Software issue number
RGT Recalls Gate time
RLA Recalls Input A trigger level
RLB Recalls Input B trigger level
RMn Recalls memory setting n. Sets the 2251A to a previously stored configuration.
n=0 to 9. Note all stored settings are lost on powering down the 2251A. 2251A
configurations are stored by the SMn command code.
RMS Recalls master software issue number
RMX Recalls Math constant X
RMY Recalls Math constant Y
RMZ Recalls Math constant Z
RRS Recalls measurement resolution
RSF Recalls special function number
*RST Instrument Rreset. Sets the 2251A to its power-up (Default) state. Refer to
Table 3-1 for further details of the power-up state.
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