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FT-470 Mod EXPANDED RF | Radioaficion Ham Radio

FT-470 Mod EXPANDED RF

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YAESU FT-470

EXPANDED RF

1. Remove Battery and Antenna.

2. Remove control knobs, screws.top panel & body screws and open Radio

3. Locate the lithium battery.

4. Carefully unsolder the lithium battery and lift it to expose resistor position .

5. Solder a Jumper or 0 ohm resistor in the empty R69 position.

6. Solder the lithium battery back in place.

7. Reassemble the radio.

YAESU FT-470  Mod EXPANDED RF

Not to Scale!!! Range 140 MHz - 174 MHz

Note: Freq. expansion is possible using the keyboard only:

1. Press and hold [MR] and [VFO] Buttons and turn radio on

2. Release buttons and turn radio off. (Stop here for normal operation)

3. Press and hold [up] and [down] buttons and turn radio on.

Range: 140-150 MHz TX/RX and 430-450 MHz TX/RX

 

YAESU FT-470 EXPANDED 400-470 MHz RX/ Hyperscan Mod

The following procedure utilizes the "IT memory location to store the upper limit for the UHF reception. A high UHF frequency (ie 470 MHz) must always be stored in the "IT memory for the expanded UHF reception to work.

1. Program 450.00 MHz simplex.

2. Press [Function] and then [RPT].

3. Enter 0000 into the keypad.

4. Turn the radio off and turn back on.

5. Press [RPT] twice for a + (plus) offset.

6. Press the [REV] button. (The display should now be 1450 MHz)

7. Press [Function] and then [Down Arrow] to drop the frequency down 1 MHz at a time until the display reads 470 MHz.

8. Press and hold the [Function] key until your hear two beeps.

9. Rotate the dial knob until the "U" memory channel is displayed.

10. Press the [Function] key to store the frequency in memory.

11. Press [Function] and then [Down Arrow] to drop the frequency down 1 MHz at a time until the display reads 450 MHz.

12. Press and hold the [Function] key until your hear two beeps.

13. Rotate the dial knob until the "L" memory channel is displayed.

14. Press the [Function] key to store the frequency in memory. *** Stop here for 440 - 470 Coverage.

15. Turn radio off and on and select the "U" memory channel.

16. Press [MR] and then [RPT]

17. Press the PTT button 3 times. The display should read 070.00 MHz

18. Press [Function] and then [Up Arrow] to increase the frequency up1 MHz at a time until the display reads 400 MHz.

19. Press and hold the [Function] key until your hear two beeps.

20. Rotate the dial knob until the "L" memory channel is displayed.

21. Press the [Function] key to store the frequency in memory.

To receive a desired UHF frequency, you must use the following steps:

1. Select the "U" memory channel.

2. Press the [MR] key to enter the "MEMORY TUNE" mode.

3. Use the [arrow] keys or Dial Knob to select the desired frequency.

4. Store the selected in any memory channel, except memory channel "U" & L

Hyperscan Modification:

1. Select the "ALT mode by pressing [F] and [ALT]

2. Press the [UP] or [DOWN] arrow.

3. When the scan stops, Press [F] and then [VFO].

4. Press the [UP] or [DOWN] arrow. (HYPERSCAN MODE)

5. Press [F] and [ALT] to stop scan mode.

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