Poweroutputadjustment; Rfsensi~~Tyadjustmefi; Weather Alert Frequency Adjustment (Receiver) - Raymarine Apelco 5200 User Manual

5.3.4 Power Output Adjustment (TRANSMITTER)
1) Connect an RF power meterto the antenna connector through the coupler. Key to transmit and
adjust RVI and RV2 on the main PCB as shown in Table 5-2. (See Fig. 5-2)
Sequence
1
2
5.3.5 RF Sensitivity Adjustment (RECEIVER)
1) Connect an RF signal generatorto the antenna connector and a SINAD meter to the external
speakerline.
2) Set the deviation of the RF signal generator to 1 KHz +/- 3 Hz.
3) Set the output level of the RF signal generator and adjust T2-T6 and T301 on the RF
module as shown in Table 5-3,(See Fig.52).
Sequence
1
2

5.3.6 Weather Alert Frequency Adjustment (RECEIVER)

1) Connect an RF signal generatorto the antenna connector
Set the RF signal generator as follows:
. Frequency:
Output level: 60dBu
l
2) Select the weather channel WXI .
3) Connect a frequency counter to TP3 on the MAIN PCB and adjust VR4 to obtain 1050 kHz
Condition
Table 5-2
Conditlon
SG output:60dBu
CH.WXO
SG output:-6dBu
Table 5-3
162.550 MHz with no modulation
Power
LOW
High Power (limit25w)
I
Max.Sensitivity
T301
Over 12 dB SINAD
24
Target Power
Target Level