10 Start-up
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10.2.3 Navigation
10.3 HotCodes
A HotCode is a key sequence used to activate certain settings:
• language selection (see section 10.4)
• activation of the FastFood mode (see section 13.7)
• manual input of the lower limit of the inner pipe diameter (see section 13.9)
• activation the SuperUser mode (see section 18)
• change of the transmission parameters of the RS232 interface (see section 14.2.4)
A HotCode can only be entered in the main menu immediately after the transmitter has 
been switched on.  The HotCode will not be displayed during the input.
A vertical arrow ↕ will be displayed if the menu item contains a scroll list. The current list 
item will be displayed in the lower line.
Use key    and   to select a list item in the lower line. 
Press ENTER.
Some menu items contain a horizontal scroll list in the lower line. The selected list item is 
displayed in capital letters between arrows.
Press key   and   to scroll through the lower line 
and select a list item. Press ENTER.
Some menu items contain a horizontal scroll list in the upper line. The selected list item is 
displayed in capital letters between arrows. The current value of the list item is displayed 
in the lower line.
Press key   and   to scroll through the upper line 
and select a list item.
Press key   and   to scroll through the lower line and 
select a value for the selected list item.
Press ENTER.
Parameter ↕
for Channel A:
R1=FUNC<typ mode
Function: MAX