Kenwood TH-K4AT Service Manual

Also see for TH-K4AT: Instruction manual Instruction manual Service manual

TH-K4AT/K4E30(8) Press the [MENU] key to write the current APC value intothe EEPROM.27.5V TX H power (Center frequency)(1) Press the [LAMP] or [MONI] key on the transceiver to display“P7C” on the LCD.In this case, the “ ” icon appears.(2) Press the [VFO], [MR] or [CALL] key to switch to thefrequency display.(3) Turn the encoder to display the center frequency on theLCD.(4) Repeat steps (4) to (8) of “17.5V TX H power (Lower limitfrequency)” described on page 29.37.5V TX H power (Upper limit frequency)(1) Press the [LAMP] or [MONI] key on the transceiver to display“P7H” on the LCD.In this case, the “ ” icon appears.(2) Press the [VFO], [MR] or [CALL] key to switch to thefrequency display.(3) Turn the encoder to display the upper limit frequency onthe LCD.(4) Repeat steps (4) to (8) of “17.5V TX H power (Lower limitfrequency)” described on page 29.G. 7.5V TX M power (Lower limit frequency, centerfrequency, upper limit frequency)17.5V TX M power (Lower limit frequency)(1) Press the [LAMP] or [MONI] key on the transceiver to display“P7L” on the LCD.In this case, the “ ” icon appears.The current APC value is displayed at the lower digits ofthe frequency display, and the value stored in the EEPROMis displayed on the memory channel number display.(2) Press the [VFO], [MR] or [CALL] key to switch to thefrequency display.(3) Turn the encoder to display the lower limit frequency onthe LCD.(4) Press the [CALL] key to switch to the adjustment display.(5) Press the [PTT] key to enable the transmit mode.(6) Adjust the output voltage from DC power supply until thevoltage at the battery terminal becomes 7.5V while thetransceiver is transmitting.(7) Turn the encoder to change the current APC value and adjustthe transmission power.(8) Press the [MENU] key to write the current APC value intothe EEPROM.27.5V TX M power (Center frequency)(1) Press the [LAMP] or [MONI] key on the transceiver to display“P7C” on the LCD.In this case, the “ ” icon appears.(2) Press the [VFO], [MR] or [CALL] key to switch to thefrequency display.(3) Turn the encoder to display the center frequency on theLCD.(4) Repeat steps (4) to (8) of “17.5V TX M power (Lower limitfrequency)” described on page 30.37.5VTX M power (Upper limit frequency)(1) Press the [LAMP] or [MONI] key on the transceiver to display“P7H” on the LCD.In this case, the “ ” icon appears.(2) Press the [VFO], [MR] or [CALL] key to switch to thefrequency display.(3) Turn the encoder to display upper limit frequency on theLCD.(4) Repeat steps (4) to (8) of “17.5V TX M power (Lower limitfrequency)” described on page 30.H. 7.5V TX L power (Lower limit frequency, centerfrequency, upper limit frequency)17.5V TX L power (Lower limit frequency)(1) Press the [LAMP] or [MONI] key on the transceiver to display“P7L” on the LCD.In this case, the “ ” icon appears.The current APC value is displayed at the lower digits ofthe frequency display, and the value stored in the EEPROMis displayed on the memory channel number display.ADJUSTMENT