Safety 1st TR233 Specifiche Scaricare il pdf (Pagina 62)

4.5 THE PROCEDURE

4.5.1 VCO Alignment

4.5.1.1 VHF RECEIVE VCO

Step

Result

Measured by

Result

Measured at

Adjust

Result Notes

Switch on power

Select ch. 3..

Highest freq.

channel.

DVM, dc

volt, range

TP402 L407 15.0 +10.2V

DVM, dc

volt. range

TP402 Select channel 1 3.OV to 5.OV

Lowest freq.

channel.

4 Disconnect DVM.

4.5.1.2 VHF TRANSMIT VCO

Step

Result

Measur

ed by

Result

Measured at

Adjust

Result Notes

Switch on power.

Select ch. 3.

Highest freq.

channel

Activate PTT.

DVM, dc

volt. range.

TP402 L445 15.0 -/+ 0.2V

4 Disable PTT

DVM, do

volt. range

TP402

Select ch. 1

and activate PTT

3.0 to 5.0V Lowest freq. ch.

Disable PTT

Disconnect DVM

4.5.2 Transmitter Power Adjustment

Step

Result

Measured by

Result

Measured at

Adjust

Result Notes

Switch on power.

Select ch. 2.

Mid freq channel for

high power

Activate PTT

3 Power Meter

Antenna

socket

R581 25.0 -/+ 1 watt

Section 4 Page 4

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Safety 1st TR233 Specifiche Pagina 62

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