932502G / 0618 7. FIRMWARE COMMANDS AND RESPONSES
where llllllllll represents the live time as returned by the SHOW_LIVE command, tttttttttt
represents the true time for the current device as returned by the SHOW_TRUE command,
aaaaa represents the active device mask as returned by the SHOW_ACTIVE_DEVICES
command, and hhhhh represents the hardware status, which is an ASCII representation of a
16 bit decimal number with the following bit definitions:
Bit 0 (LSB): Bias supply polarity (0=positive, 1=negative)
Bit 1: Bias supply overload (0=overload, 1=normal)
Bit 2: High voltage enabled (0=disabled, 1=enabled)
Bit 3: Unused
Bit 4: Amplifier PZ’d since initialization (0=normal, 1=needs
PZ’ing)
Bit 5 Optimization since initialization (0=normal, 1=needed)
Bits 6–7: Unused
Bit 8: Amplifier automatic PZ (1=Auto PZ in progress, 0=normal)
Bit 9: Optimization (0=normal, 1=in progress)
Bits 10–14: Unused
Bit 15 (MSB): Reserved
SHOW_THRESHOLD_AUTOMATIC
See also SET_THRESHOLD_AUTOMATIC.
Responses:
$IT<CR> Automatic threshold is enabled.
$IF<CR> Automatic threshold is disabled.
SHOW_THRESHOLD_FAST
Returns the current fast channel threshold in the form FMAN_ENA xxxxx or FMAN_DISA
xxxxxx where ENA and DISA indicate whether manual mode is enabled and the numeric
value is the current fast channel threshold. When manual mode is disabled the value is live
so it will change periodically.
Responses:
FMAN_ENA 00000000100 Manual mode is enabled with a setting of 100.
FMAN_DISA 00000000105 Manual mode is disabled with a current value of 105.
SHOW_THRESHOLD_NEGATIVE
See also SET_THRESHOLD_NEGATIVE.
Responses:
THR_NEG 0000379791 Negative threshold is 379791.
SHOW_THRESHOLD_POSITIVE
See also SET_THRESHOLD_POSITIVE.
Responses:
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