User manual

35Transmitter description - Hidden mode
not be read.
• If the selection window is empty …
FILE LIST
… then the transmitter could not find an appropri-
ate file on the inserted memory card. Check the
contents of the SD card’s “VoiceFile” directory on a
PC or laptop.
FIRMWARE UPDATE
Change display language
Important notice:
Be sure to check the charge status of your trans-
mitter’s battery or charge its battery as a precau-
tion before every update. Also backup all occu-
pied model memories so they can be restored if
that should become necessary.
 HIDDEN MODE 
VOICE
STICK CALI.
FIRMWARE UPDATE
BLUETOOTH INIT.
In the same manner as described above in the sec-
tion “VOICE”, this menu item can be used to update
or change the transmitter’s firmware, including its dis-
play language. At the time of this manual’s revision,
the standard SD card delivered with the set includes
the following languages:
• Dutch
• English
• French
• German
• Italian
• Spanish
Additional languages will follow at a later date.
Updates and additional information for your system
can be found on the product page for your specific
HoTT transmitter in the Download section at www.
graupner.de.
FILE LIST
MC-20_1V234_France.b
MC-20_1V234_English.
MC-20_1V234_Dutch.bi
MC-20_1V234_Italiano
MC-20_1V234_Spain.bi
MC-20_1V234_German.b
Now use the  selection keys of the left or right
four-way button to choose the desired firmware ver-
sion, for example:
FILE LIST
MC-20_1V234_France.b
MC-20 1V234 Dutch.bi
MC-20_1V234_Italiano
MC-20_1V234_Spain.bi
MC-20_1V234_German.b
MC-20_1V234_English.
Confirm the choice with another tap on the center
SET key of the right four-way button. The loading of
firmware into the transmitter’s memory will be started
and following two displays, visible only very briefly,
which only make reference to the firmware update …






Firmware Download
Prozess Start
Please Wait....






Boot Download
Success!!!
Please Wait....
…, the message:






Firmware
Downloading...
Progress 023/201
… will appear in the display. As soon as the counter
to the left of the “/” character reaches the value shown
on the right as the volume to be loaded, the message
…




Firmware Upgrade
success!!!
… will appear. After a few seconds this message
disappears, and the transmitter switches itself off. The
transmitter is now ready for use.
Notes:
• If the warning …
RF
must be
OFF
OK
…, then the RF section of the transmitter is still
active. Switch it off in the “RF module” line of the
»Basic settings« menu, and repeat the proce-