Trigger Self-Test – Control Byte #21 (15h)
Description: Triggers a self test on the Spectrum Master.
Bytes to Follow: 0 bytes
Spectrum Master Returns: 12 bytes
1) Self-treport: (0b = Fail, 1b = Pass)
(LSB)
2) Self-treport: (0b = Fail, 1b = Pass)
(LSB)
3) Battery Voltage (Higher byte)
4) Battery Voltage (Lower byte)
5) Temperature (Higher byte)
6) Temperature (Lower byte)
7) Spectrum Analyzer Lock Fail Counter (Higher byte)
8) Spectrum Analyzer Lock Fail Counter (Lowest byte)
Notes:
Battery Voltage in 1/10th of a Volt (e.g. 124 = 12.4 Volts)
Temperature in 1/10th of degree Celsius (e.g. 362 = 36.2
on the current measurement unit (Metric or English) selected
Read Fail Counter – Control Byte #22 (16h)
Description: Reads the Fail Counter. Values are integer numbers of failures.
Bytes to Follow: 0 bytes
Spectrum Master Returns: 8 bytes
1) Value of SA Lock Fail Counter (Higher byte)
2) Value of SA Lock Fail Counter (Lower byte)
3) Reserved
4) Reserved
5) Value of SA Fatal Error Counter (Higher byte)
6) Value of SA Fatal Error Counter (Lower byte)
Clear Fail Counters – Control Byte #23 (17h)
Description: Resets the Lock Fail Counter and Integrator Fail Counter and spectrum analyzer Fatal Error Counter.
Bytes to Follow: 0 bytes
Spectrum Master Returns: 1 byte
1) 255 (FFh) Operation Complete Byte
21
bit 0 : Phase Lock Loop
bit 1 : Integrator
bit 2 : Battery
bit 3 : Temperature
bit 4 : EEPROM read/write
bit 5 : RTC Battery
bits 6- 7 : Not Used
bit 0 : Spectrum Analyzer Lock
bits 1–7 : Not Used
o
C) or degree Fahrenheit (e.g. 934 = 93.4
o
F), depending
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