OZONE MONITOR BMT 932 Manual, Rev. 02/2021
43
Appendix A: Link-Mode Commands
The following table describes all available Link-Mode commands. Commands with question-
marks retrieve information from the BMT 932.
Caution: This set of commands should only be used by programmers who have a good under-
standing of the BMT 932 and ozone measurement in general!
Cmd Meaning PC->932 932->PC
0 Start Link-Mode *0#DK0NHF *0#DL7ZN
2 Ozone Range and Unit?
byte1: Range-ID (see table on page 25)
byte2: Unit
0: ppm
1: µg/m³
*2# *2#byte1,
byte2
3 Set ozone unit
Meaning of byte:
0: ppm
1: µg/m³
*3#byte *3#
4 Low alarms?
Bits 0..5 show Low Alarms on Channels 1 to 6
*4# *4#byte
5 High alarms?
Bits 0..5 show High Alarms on Channels 1 to 6
*5# *5#byte
6 Serial number? *6# *6#long
8 Auto/Manual?
If Bit 7 of this word is set, Manual Mode is selected
*8# *8#word
9 Concentration?
float: Concentration
byte: Unit:
0: ppm
1: µg/m³
*9# *9#float,byte
11 Temperature?
float: in Kelvin
*11# *11#float
12 Operating hours? *12# *12#long
14 Get Scrubber Test Interval (normal 24h) 1..99h *14# *14#byte
15 Set Scrubber Test Interval (normal 24h) 1..99h *15#byte *15#
16 Get Scrubber Test Timer (how many minutes until Scrubber Test) *16# *16#word
17 Set High Alarm Latching
Bits 0..5 set High Alarms Latching on channels 1..6
*17#byte *17#
18 Set Low Alarm Latching
Bits 0..5 set Low Alarms Latching on channels 1..6
*18#byte *18#
19 Set High Alarm Enabled
Bits 0..5 set High Alarms Enabled on channels 1..6
*19#byte *19#
20 Set Low Alarm Enabled
Bits 0..5 set Low Alarms Enabled on channels 1..6
*20#byte *20#
21 Normalizing temperature?
float: in Kelvin
*21# *21#float
22 Set PIN (prevents changing parameters)
0: no PIN protection
*22#word
(0..9999)
*22#
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