Specifications

Page 53FT-450 OPERATION MANUAL
REPEATER OPERATION
The FT-450 may be operated on 29 MHz and 50 MHz repeaters. Use this procedure to set the repeater shift
direction, and the CTCSS squelch mode & tone.
1. Press and hold the
[
F
]
button for one second to
enter the Menu mode. The “ ” icon will ap-
pear on the display.
2. Rotate the
[
DSP/SEL
]
knob to select the menu
item “
EXT MNUEXT MNU
EXT MNUEXT MNU
EXT MNU”.
3. Press the
[
DSP/SEL
]
knob to enable adjustment of
this menu item. The “ ” icon will be blinking.
4. Rotate the
[
DSP/SEL
]
knob to select “
ONON
ONON
ON” to ex-
pand the menu items.
5. Press the
[
DSP/SEL
]
knob. The “ ” icon
returns to appear continuously.
6. Rotate the
[
DSP/SEL
]
knob to select the menu
item “
RPTRPT
RPTRPT
RPT”.
7. Press the
[
DSP/SEL
]
knob to enable adjustment
of this menu item. The “ ” icon will change
to blink.
8. Rotate the
[
DSP/SEL
]
knob to select the desired
repeater shift direction. Available selections are
–SHIFT–SHIFT
–SHIFT–SHIFT
–SHIFT,
SIMPLEXSIMPLEX
SIMPLEXSIMPLEX
SIMPLEX, and
+SHIFT+SHIFT
+SHIFT+SHIFT
+SHIFT.
9. Press the
[
DSP/SEL
]
knob. The “ ” icon
returns to appear continuously.
10. Rotate the
[
DSP/SEL
]
knob to select the menu
item “
SQL TYPSQL TYP
SQL TYPSQL TYP
SQL TYP”.
11. Press the
[
DSP/SEL
]
knob to enable adjustment of
this menu item. The “ ” icon will be blinking.
12. Rotate the
[
DSP/SEL
]
knob to select the desired
CTCSS mode. If you just need to send the up-
link encoding tone, select “
ENCENC
ENCENC
ENC”. For encode/
decode operation, choose “
ENC DECENC DEC
ENC DECENC DEC
ENC DEC” instead.
13. Press the
[
DSP/SEL
]
knob. The “ ” icon
returns to appear continuously.
14. Rotate the
[
DSP/SEL
]
knob to select the menu
item “
TONE FTONE F
TONE FTONE F
TONE F”.
15. Press the
[
DSP/SEL
]
knob to enable adjustment of
this menu item. The “ ” icon will be blinking.
16. Rotate the
[
DSP/SEL
]
knob to select the desired
CTCSS tone to be used. A total of 50 standard
CTCSS tones are provided.
17. Press the
[
DSP/SEL
]
knob. The “ ” icon
returns to appear continuously.
18. Press and hold the
[
F
]
button for one second to
save the new setting and return to normal opera-
tion.
19. Rotate the
[
MAIN DIAL
]
to the output frequency
(downlink) from the repeater.
20. Close the microphone’s PTT switch to begin
transmission. You will observe that the frequency
has shifted to correspond to the programming
you set up in the previous steps. Speak into the
microphone in a normal voice level, and release
the PTT switch to return to the receive mode.
FM MODE OPERATION
ADVICE:
The conventional repeater shift used on 29 MHz is
100 kHz, while on the 50 MHz band the shift may
vary between 500 kHz and 1.7 MHz (or more). To
program the proper repeater shift, use Menu Item
“
RPT SFTRPT SFT
RPT SFTRPT SFT
RPT SFT”.
[
F
]
button
[
DSP/SEL
]
knob
[
MAIN DIAL
]
knob
CTCSS TONE FREQUENCY
(
Hz
)
67.0 69.3 71.9 74.4 77.0 79.7 82.5 85.4
88.5 91.5 94.8 97.4 100.0 103.5 107.2 110.9
114.8 118.8 123.0 127.3 131.8 136.5 141.3 146.2
151.4 156.7 159.8 162.2 165.5 167.9 171.3 173.8
177.3 179.9 183.5 186.2 189.9 192.8 196.6 199.5
203.5 206.5 210.7 218.1 225.7 229.1 233.6 241.8
250.3 251.4