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VXR-7000U

K66VXR-7000U_Alignment.doc

4

 
 
 

Base Mode

 

Alignment Setup

r

 

Set the 

BASE

 switch on the front panel of the repeater to the 

BASE

 mode (the 

REPEATER

LED will turn off).

r

 

Press the 

LOCAL/REMOTE

 switch on the front panel of the repeater to the 

REMOTE

 mode

(the 

REMOTE

 LED will turn on).

r

 

Set 

S4001

 and 

S4002

 on the CNTL Unit to the ”0 (off)” position and “1 (on)” position

respectively, and then select the Center channel.

 
 

Audio Level Adjustment (LINE OUT Level)

r

 

Inject a signal on the Center channel frequency at a level of 40 dBµ (1 kHz tone @ ±3.0 kHz
deviation) from the RF Signal Generator into the 

RX

 antenna jack, and adjust 

VR4002

 (on the

CNTL Unit) so that the “Line Out” audio level (

LINE

 jack pins 5 and 6) is –10 dBm (±0.1

dBm).

 
 

Deviation Adjustment (LINE IN Level)

r

 

Connect the AF generator to 

LINE

 jack pins 3 and 4, and the AF generator output level to

 

• • • 10 dBm, at a frequency of 1 kHz.

r

 

Key the repeater, and adjust 

VR4003

 (on the CNTL Unit) so that the deviation meter reading

(TX deviation) is 3.0 kHz (±0.1 kHz) deviation.

Содержание VXR-7000

Страница 1: ...proceed at their own risk Problems caused by unauthorized attempts at realignment are not covered by the warranty policy Also Yaesu Vertex reserves the right to change circuits and alignment procedures in the interest of improved performance without notifying owners Under no circumstances should any alignment be attempted unless the normal function and operation of the repeater are clearly underst...

Страница 2: ...ginning Note Signal levels in dB referred to in the alignment procedure are based on 0dBµ 0 5µV Set up the test equipment as shown below and apply AC power to the repeater The repeater must be programmed for use in the intended system before alignment is attempted The frequency and other parameters are loaded from the file during the alignment process In order to facilitate alignment over the comp...

Страница 3: ...y counter to J3001 on the RX Unit r Select the Center channel adjust TC3001 on the RX Unit if necessary so that the frequency counter reading is within 100Hz of the programmed Center channel frequency Receiver parameters excluding PLL r The following receiver parameters can be adjusted from the computer by utilizing the CE 27 Channel Alignment Diskette Refer to the onboard help of the CE 27 Channe...

Страница 4: ...ter channel Audio Level Adjustment LINE OUT Level r Inject a signal on the Center channel frequency at a level of 40 dBµ 1 kHz tone 3 0 kHz deviation from the RF Signal Generator into the RX antenna jack and adjust VR4002 on the CNTL Unit so that the Line Out audio level LINE jack pins 5 and 6 is 10 dBm 0 1 dBm Deviation Adjustment LINE IN Level r Connect the AF generator to LINE jack pins 3 and 4...

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