Intek HR-5500 Owner's Manual page 14

(6) SC Scanning Type Selection
This menu is to set Scan Type. Options are as follows :
SQ : When SQ is selected, scan would stop when a valid signal is
detected. The radio would resume scanning after signal disappears
for 5s.
TI : When TI is selected, scan would stop when a valid signal is detected.
The radio would resume scanning 5 seconds later, whether signal
disappears or not.
Default : SQ
(7) TSR (Transmitting SWR Protection)
This menu is to choose whether to enable Transmitting SWR Protection
function or not.
ON : When ON is selected, the radio will detect the SWR of antenna. Once
the SWR is beyond the SWR set in advance, the radio would
prohibit transmitting automatically and loudspeaker will emit voice
prompt. Then, "HI S" icon will display on the LCD to remind you that
the antenna SWR is too high or antenna do not connect well.
OFF : When OFF is selected, SWR Protection function is disabled.
NOTE : To protect the radio from long transmission under high SWR, the
radio would automatically start SWR Protection once the SWR
Value is higher than 20:1.
Default : ON (SWR=<10:1)
(8) TDC (Power Supplied Voltage Protection)
Function Menu Setup
This menu is to choose whether to enable Power supplied Voltage
Protection function or not.
ON : When ON is selected, the radio will detect the supplied voltage. Once
the voltage surpasses the voltage setup in advance, the radio would
display "DC LO" or "DC HI" to remind you that the voltage is not in
normal state. Meanwhile, the radio will prohibit transmitting and emit
beep prompt.
OFF : When OFF is selected, the Power Supplying Voltage is disabled.
Default : ON (DC 10.5V-16V)
(9) TLD (Content displayed on the LCD when
transmitting)
This menu is to set the content displayed on the LCD when transmitting.
TF : When TF is selected,LCD would display transmitting frequency when
transmitting.
SR : When SR is selected, LCD would display SWR value of antenna
when transmitting, for example: "1.2" on the LCD.
BAT : When BAT is selected, LCD would display Supplied Voltage when
transmitting, for example: "13.8DC" on the LCD.
TOT : When TOT is selected, LCD would display TOT remaining time when
transmitting. And TOT would count down till remaining time is 0, for
example: "170" displayed on the LCD display.
Default : TF
(10) RBF (ROGER BEEP Frequency Setting)
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