Nautel ATU-HP Скачать руководство пользователя страница 1

Страница: 1 / 4

Fig. 1

Remove front cover. Avoid contact with high
voltage points at top of coils and high voltage
insulator.

Inspect capacitors for visual signs of
lightning damage.

Capacitor values are frequency
dependent - see technical instruction
manual for NDB or DGPS values.

Check meter indications of FORWARD
REFLECTED PWR on test meter. When
compared to TX meter indications
values should be within 10%

ATU-HP

Tuning Procedure

ATU-HP: Tuning | Issue 1.0, Apr. 21, 2010

Page 1 of 4

Nautel Customer Support: 1.902.823.3900

Содержание ATU-HP

Страница 1: ...ghtning damage Capacitor values are frequency dependent see technical instruction manual for NDB or DGPS values 3 Check meter indications of FORWARD REFLECTED PWR on test meter When compared to TX met...

Страница 2: ...e on and the CPU OK LED is flashing 4 5 Select LOCAL control LED ON to activate INCREASE and DECREASE switches 6 Press INCREASE or DECREASE L TUNING switch verify auto tune moves coils back to previou...

Страница 3: ...g transformer L TUNING MAX or MIN LIMIT LEDs should turn ON only at extremes of travel Otherwise limit sensor may be defective Do not proceed to optimize the R tuning until the L TUNING NORMAL LED is...

Страница 4: ...mer T1 controls the final tuned position of the variable matching transformer If necessary change the input green and output red tap positions to center its tuned position between the MAX and MIN limi...