Yaesu FT-70DR, Руководство по эксплуатации

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15 FT-70DR/FT-70DE Operating Manual
Adjusting the squelch setting
The squelch level may be adjusted to mute the background noise when no signal is present.
1. Press the [
F
] key and then press the
MONI/T-CALL
switch.
“ SQL
□
” (0 - 15) appear on the display.
2. Rotate the DIAL knob to adjust to a level at which the background noise is muted.
3. Press the
PTT
switch to save the setting.
z
The default setting is “
SQL 1
”
z
When the squelch level is increased, the noise is more likely to be silenced, but it may become
more difficult to receive weak signals.
Selecting a Frequency Band
1. Press the [ BAND
] key to select the desired
frequency band.
Frequency ranges for each frequency band are below:
Information
radio band (1)
144 MHz band 430 MHz band
Information
radio band (3)
AIR band
Information
radio band (2)
108 - 137 MHz 137 - 174 MHz 174 - 222 MHz 222 - 420 MHz 420 - 470 MHz 470 - 580MHz
Press the [ F
] key, then press the [
BAND
] key to switch the frequency bands in reverse order.
Tuning to a Frequency
● DIAL knob
By pressing the [
F
] key and then rotating the
DIAL knob, the frequency will change in
1 MHz steps.
● The numeric keys
Press the numeric keys to enter the frequency digits in order, beginning with the
100 MHz digit.
Examples:
To enter 145.520 MHz, press [
1 ]
→
[ 4 ]
→
[ 5 ]
→
[ 5 ]
→
[ 2 ]
→
[ 0 ]
To enter 400.000 MHz, press [
4 ]
→
[ 0 ] (press and hold); or [ 4 ]
→
[ V/M ]
When entering a frequency using the numeric keys, it may be canceled by pressing the PTT switch.
Changing the Frequency Step
The DIAL knob rotation frequency step may be changed. Normally, the factory default
setting will provide a good frequency step.
1. Press the [
F ] key and then press the [ 4 ] (STEP) key, and rotate the DIAL
knob to
change the frequency step.
2. Press the PTT switch to save the setting and return to normal operation.
In the default setting, of the frequency step is set to “ AUTO ”, which automatically provides a
suitable frequency step according to the frequency band.