B) Status Requests
Table 1.1 lists the status requests for the 2017-03 and briefly describes them.
*
PLEASE NOTE: The two character {aa}(00-31) prefix, in the table below,
should be used ONLY when RS-485, (OPTION-Q), is selected.
Table 1.1 2017-03 Status Requuests
Req
uests
Command
Syntax*
Description
Command Status
{aaS1}
Returns {aaS1bbbbccccdddeeffLMNOP} where:
• bbbb = Tx frequency
4 characters - standard (7 characters - Option-X)
• cccc = Rx frequency
4 characters - standard (7 characters - Option-X)
• ddd = Tx gain (-10 to 30) (4 characters - Option-Z)
• ee = Rx gain (00 to 50)
• ff = Tx input level (10 to 40 => -10 to -40 dBm)
• L = 0 - non-inverted Receiver; L = 1 - inverted
• M = 0 - Receiver synth alarm
• N = 0 - Transmitter synth alarm
• O = 0 - Summary alarm
• P = 0 - Transmit signal disabled (muted)
External 10 MHz (option -E)
{aaS2}
Returns {aaS2bcd} } where:
• b = 10 MHz Selected (0=Internal; 1=External]
• c = Upconverter 10 MHz insertion RF [J5]
(0 = not inserted; 1=inserted)
• d = Downconverter 10 MHz insertion RF [J2]
(0 = not inserted; 1=inserted)
SSPB Current (option -V)
{aaS4}
Returns {aaS4bbb} where:
• bbb = SSPB current, range 000 to 250 (0 to 2500 ma)
Unit Temperature (option -T)
{aaST}
Returns {aaSTbbb} where:
• bbb = Unit Temperature in degrees C
2017-03 Manual, Rev. N
Page 6
03/22/18