TB 9-6625-2059-24
(14) Repeat technique of (13) above for BFO-RF LEVEL control settings and
FREQUENCY MHz switch settings at 250 000 0 listed in table 8. Measuring receiver will
indicate within limits specified.
Table 8. Output Level 250 MHz.
Test instrument
Measuring receiver indications (dB)
BFO-RF LEVEL control
FREQUENCY MHz
settings
switch settings
Min
Max
80
250 000 0
-36
-44
90
250 000 0
-46
-54
100
250 000 0
-56
-64
110
250 000 0
-66
-74
120
250 000 0
-76
-84
(15) Set HI LVL - VX100-NORM switch to NORM and BFO-RF LEVEL control
to -80 dBm. Measuring receiver will indicate between -76 and -84 dB.
(16) Set FREQUENCY MHz switches to 500 000 0 and HI LVL - VX100-NORM
switch to HI LVL.
(17) Adjust BFO-RF LEVEL control until TI 0 dBm light just illuminates.
(18) Repeat step (4) above.
(19) Measuring receiver will indicate between 6.0 and +6.0 dB.
(20) Set HI LVL - VX100-NORM switch to VX100 and adjust BFO-RF LEVEL
control to the first setting in table 9. Measuring receiver will indicate within limits
specified in first row of table 9.
(21) Repeat technique of (20) above for BFO-RF LEVEL control settings and
FREQUENCY MHz switch settings at 500 000 0 listed in table 9. Measuring receiver will
indicate within limits specified.
Table 9. Output Level 500 MHz.
Test instrument
Measuring receiver indications
(dB)
BFO-RF LEVEL
FREQUENCY MHz
control settings
switch settings
Min
Max
80
500 000 0
-34
-46
90
500 000 0
-44
-56
100
500 000 0
-54
-66
110
500 000 0
-64
-76
120
500 000 0
-74
-86
(22) Set HI LVL - VX100-NORM switch to NORM and BFO-RF LEVEL control
to -80 dBm. Measuring receiver will indicate between -74 and -86 dB.
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