Tau User’s Manual Appendix B—Serial Communication Technical Details
TAU-0035-00-10, version 150 June 2011 B-7
0x15 BRIGHTNESS
Gets and sets the manual brightness value
Get Cmd: 0 None
Set Cmd: 2
&
Resp: 2
Brightness value
(0x0000 to 0x3FFF)
0x18 BRIGHTNESS_BIAS
Gets and sets the brightness bias value in the auto bright mode
Valid range is +2048 to -2048 decimal
MSB is the sign bit
Get Cmd: 0 None
Set Cmd: 2
&
Resp: 2
Brightness bias value (2’s complement:
0x0000 to 0x0FFF)
Set Cmd: 2
&
Resp: 2
0x0000 = disabled (off)
0x0001 = on, Fahrenheit scale
0x0002 = on, Centigrade scale
0x1F SPOT_METER_ MODE
Gets or sets the spot-meter mode.
Get Cmd: 0 None
Set Cmd: 2
&
Resp: 2
0x0000 = disabled (off)
0x0001 = on, Fahrenheit scale
0x0002 = on, Centigrade scale
0x20 READ_SENSOR
Gets the FPA temp. in Celsius x 10 or raw counts
(e.g. value of 512 decimal represents 51.2C)
Sign bit is the MSB.
Set Cmd: 2
&
Resp: 2
0x0000 = temp in C*10
0x0001 = temp in raw counts
0x21 EXTERNAL_SYNC
Enables or disables the external sync feature
Get Cmd: 0 None
Set Cmd: 2
&
Resp: 2
Ext sync mode
0x0000 = disabled
0x0001 = slave
0x0002 = master
0x22 ISOTHERM
Gets or sets the isotherm mode (on/off). If isotherm option is not
enabled (see CAMERA_OPTIONS), command returns an error.
Get Cmd: 0 None
Set Cmd: 2
&
Resp: 2
0x0000 = Disabled
0x0001 = Enabled
0x23 ISOTHERM_ THRESHOLDS
Gets or sets the isotherm thresholds in percent of full-scale-range
(e.g. 97 decimal = 97% FSR) or in deg C. Bit 15 of the lower
threshold is used to specify units (1 = deg C, 0 = %).
Get Cmd: 0 None
Set Cmd: 4
&
Resp: 4
Bytes 0 -1: lower threshold
Bytes 2 -3: upper threshold
Table B-4: RS232 Function Codes
Function
Code (hex)
Command Description Byte Count
Argument
(i.e, Data Bytes) (hex)
Notes
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