HFT Switch Test
Remove the HFT switch.
Measure the resistance between terminals No. 4 and No. 5 in each switch position according to the table.
HFT Switch
Position
Resistance
OFF
About 1 kΩ
HFT TALK button pressed
About 185 Ω
HFT BACK button pressed
About 47 Ω
If the resistance is not as specified, replace the switch.
