Vectronics VC-300D User Manual download pdf (Page 9)

VC-300D Digital Bargraph Antenna Tuner Owner's Manual

METER CALIBRATION

METER CALIBRATION PEOCEDURE

•

••

•

Connect transceiver to TRANSMITTER IN connector.

•

••

•

Connect external 50

Ω

load to COAX 2 connector.

•

••

•

Set the OUTPUT SELECT switch to the COAX 2 DIRECT position.

•

••

•

Set the RANGE button to 300 W and the PEAK/AVG button to AVG.

•

••

•

Apply 100W of RF at 14.0 MHz.

•

••

•

Adjust R1 (see Figure 1) so that 100W of FORWARD power is read on the

meter.

•

••

•

Reduce the RF power to 10W and set the RANGE to 30W

•

••

•

Adjust R2 so that 10W of FORWARD power is read on the meter.

•

••

•

Reverse the transceiver and load connectors on the rear panel

•

••

•

Set the RANGE to 300W.

•

••

•

Apply 10W of RF power and adjust R4 to read 10W of REFLECTED power.

•

••

•

Set the RANGE to 30W.

•

••

•

Apply 2W of RF power and adjust R3 to read 2W of REFLECTED power.

1 2 3 4 5 6 7 8 9 10

Vectronics VC-300D 1
CONTOLS / CONNECTORS 2
INSTALLATION 5
USING THE BARGRAPH 7
TECHNICAL ASSISTANCE 8
METER CALIBRATION 9
SCHEMATIC DIAGRAM 10

Comments to this Manuals

No comments

Vectronics VC-300D User Manual Page 9

Comments to this Manuals

Related products and manuals for Measuring instruments Vectronics VC-300D