Lufft CHM 15k, User Manual

Page: 69 / 73

Operating Manual CHM 15k R13 / 07-2019
Appendix 69
Firmware version Description Released
0.743 1. Aerosol Layer Height (ALH) algorithm was further improved (for
ALH values at low SNR)
2. A table with current measurements (cbh, cpd, alh, tcc) are
displayed in the viewer tab of the web interface (display is limited
to. 5 layers).
3. Used overlap file name and its creation date is displayed in Web
Interface as well as saved in the NetCDF file
4. Vaisala CT25K telegram messages No. 1 and 6 are included in
user telegrams 8 and 9
5. SD card operation adapted, CHM works without a present SD card
6. New setting DhcpMode & DnsServer available, DHCP mode can
be deactivated
7. HTTP port can be set
8. LAN port and Telegram mode for the telegram query via LAN can
be set.
Jul 2016
0.747 Please Note: ChmDataViewer version 1.7 required!
1. Current CloudDetectionMode is displayed in the NetCDF attribute
'software_version' on last position (e.g. software_version =
"17.05.1 2.13 0.747 1" for Mode 1)
2. Cloud detection variant "higher low clouds" introduced, useable
with new settings CloudDetectionMode = 1 (RS485 short: CDM).
Restart need after changing the CloudDetectionMode value.
3. Correction for handling time slots after setting the time
4. Display no ALHs above clouds and undershots and during
precipitation
5. Handling Location with umlauts
6. Telegram No. 2 can be used with up to 9 layers
7. Manual: Version R09 integrated
May 2017
0.754 1. Log Error "APD temperature not in range" (bit 26) only used if
PeltierMode is 1
2. Lifetime of APD temperature read errors reduced
3. Changed service password. (Superuser password not changed.)
4. Synchronization of internal file system after important write
operations.
5. The fan will not be switched on if the external temperature is not
valid. Heat-related ventilation will only be performed if the indoor
temperature is valid.
6. Invalid module temperature results in error in status bit 10.
7. Disable AlhFilters in Test-Mode. (relevant for CH-Simulator)
8. Correction: Location parameter can be set to default (NN).
May 2018