Simret 4000 Instructions, Issue 10, Jan 2011
© 1994-2011, Turnkey Instruments Ltd. Page 9 of 17
SD memory card backup
The 2GB SD card is a factory option and this menu will only be available when fitted and the
memory card has been inserted into the slot on the side of the instrument (behind the yellow cover).
A 2GByte SD card must be used. High capacity SDHC cards are not compatible.
SD Card Backup: single-click to review the memory card Folders. Change the Folder number to
be reviewed by highlighting, clicking and changing to the required number between 0 and
999. As you move though the folders, the display shows the time and date the folder was
saved and the serial number of the instrument that saved it. Single-click when the required
Folder is reached.
Single-click Save to backup this instrument’s entire internal memory to that Folder number.
The display first asks you to confirm you wish to erase and overwrite the Folder’s current
contents. Backing up the entire memory takes about 50 seconds The Folder is given the (un-
hidden) name SSSSSnnn.TKI, where SSSSS is a the five character instrument serial number
and nnn is folder number between 000 and 999.
Single-click Load to retrieve the SD card Folder into the instrument’s memory. This will
overwrite the instrument’s internal memory, but you will be able to append new tests if space
allows. Retrieving takes about 50 seconds.
Single-click Quit to return to the previous menu
The contents of the SD card can be imported into the Turnkey Winsim application.
Automatic Backup: if the SD card is fitted, whenever the instrument switches-off with its
internal memory more than 80% full or containing more than 75 tests, the internal memory
will be automatically backed-up to the next Folder Number on the SD Card. The internal
memory will then be erased. This will be repeated when it is next full until all 1000 folders
have been used (75,000 tests).
If the automatic backup isn’t needed as the instrument switches off, then the internal memory
is just backed up in Folder 0 but not erased. Thus after switch-off the SD Card is always ready
with the latest results backed up (in Folder 0).
Automatic backup does not happen if the low battery warning is on.
BLUETOOTH PEDAL FORCE TRANSDUCER
The Bluetooth Pedal Force Transducer can be used as either a simple ON/OFF external trigger or
as an indicator of the applied pedal force in kgF (1kgF=9.8 Newtons), or both.
When measure Pedal Force is selected, the recorded pedal force will be substituted for the
velocity time graph in the results. Don’t forget to set I/O Expansion on to use the Bluetooth
PFT (otherwise the analog port on the DIN connector will be measured). When the Brake
Testing menu is first selected, the display will indicate that the PFT is being zeroed (click OK
to abandon). Do not apply force to the transducer during zeroing, once ‘Zeroing PFT’
disappears from the display the brake can be applied to hold the vehicle during the remainder
of arming, or repeat brake tests.
The PFT is also zeroed when the Measure Gradient mode is selected. Again, do not apply
force to the transducer during zeroing. After zeroing, the gradient measurement display
indicates the force being applied to the PFT. This is a useful check on its calibration which
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