Radtel RT-490 User Manual Page 12 of 29
No DTMF prompt when key pressed
to transmit DTMF
Prompt for DTMF when transmit key pressed
Auto prompt when transmitting DTMF
DTMF prompt whether automatically
transmitting DTMF or pressing transmit key
Turns off auto keypad lock
Select time to turn on the auto keypad locking
Not changeable, SCAN ADD is on
1000Hz,
1450Hz,
1750Hz, 2100Hz
Select Tone from List. Tone can be
simultaneously sent by holding down [PTT]
and pressing [PF2].
Millisecs:
0,100,200, 400,
600, 800,1000
Ms Delay time before auto DTMF
transmits
Control seconds of time before MENU exits
Control the seconds of time for VOX to react
Due to the delay of the repeater, noise
appears when receive instant signal. Adjust
to eliminate the tail. To ensure if the repeater
is working or not, set to OFF
Adjust the length of time the tail sound
appears. If not needed set to OFF
In Multi Display Mode the ‘A’ band (Upper
line) displays the Option selected here: FREQ
for Frequency, CH for Channel Number and
NAME for Channel Name.