Chapter 3
Theory of Operation
Trimble S, VX, SPS & RTS Service Manual3 - 58 P/N 57150002, Revision 5.0
F
LM80
Instrument constant files
See page 6-6 for instructions to save and initialize instrument constant files.
Instrument constant
The IPC board constant file is a text file with a checksum to avoid editing. The file contains
instrument data such as serial numbers, model name etc. and also variables for the servo and angle
system. The name of the file is the same as the instruments serial number, e.g. 93510132.txt.
1” HTU (Horizontal Turning Unit correction) file
1” angle accuracy instruments also includes a correction file for the pre calibrated Horizontal Turning
Unit. This file will also be saved and initialized together with the instrument constant file. The name
of the file is the part number and serial number of the HTU, e.g. 58110019 00215.txt.
LM80 Software vs. Instrument Firmware
Inst. FW S VX SPS TCU TSCe TSC2 Recon
R1.1.0 No No No N/A N/A N/A N/A
R2.0.0 Yes No Yes N/A N/A N/A N/A
R2.1.0 Yes No Yes N/A N/A N/A N/A
R3.0.41 Yes No Yes 1.30 to 2.01 1.30 to 2.01 1.30 to 2.01 N/A
R3.2.3 Yes No Yes 1.30 to 2.01 1.30 to 2.01 1.30 to 2.01 N/A
R4.0.104 Yes No Yes 1.30 to 2.01 1.30 to 2.01 1.30 to 2.01 N/A
R4.1.3 Yes No Yes 2.10 to 2.12 2.10 to 2.12 2.10 to 2.12 N/A
R4.1.5 Yes No Yes 2.10 to 2.12 2.10 to 2.12 2.10 to 2.12 N/A
R6.0.38 Yes No Yes 2.20 or later 2.20 or later 2.20 or later N/A
R6.1.92 Yes No Yes 2.20 or later 2.20 or later 2.20 or later N/A
C7.2.2 Yes No Yes 2.20 or later 2.20 or later 2.20 or later N/A
C8.0.37 Yes No Yes 2.20 or later 2.20 or later 2.20 or later N/A
C8.0.39 Yes No Yes 4.50 or later 4.50 or later 4.50 or later N/A
C8.1.18 Yes No Yes 4.50 or later 4.50 or later 4.50 or later N/A
C8.1.22 Yes No Yes 4.50 or later 4.50 or later 4.50 or later N/A
C8.2.1 Yes No Yes 4.50 or later 4.50 or later 4.50 or later N/A
C9.0.15 Yes No Yes 4.50 or later 4.50 or later 4.50 or later N/A
R5 Yes Yes No N/A N/A N/A N/A
R7 Yes Yes No N/A N/A N/A N/A
R9 Yes Yes No N/A N/A N/A N/A
R10 Yes Yes No N/A N/A N/A N/A
R11 Yes Yes No N/A N/A N/A N/A
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