Broadcast Electronics Marti Electronics ME-40, Руководство пользователя

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12
©2011 Broadcast Electronics
7
P.A. CURRENT
Relative P.A. Current (lower meter scale).
Refer to test sheet for nominal values
8
P.A. VOLTAGE Relative P.A. voltage (lower meter scale). Refer
to
9 +13V
SUPPLY
13 volt supply relative voltage (lower meter
scale). Refer to test sheet for nominal values.
10 AFCLEVEL
AFC level depends upon operating
frequency selected. Lower scale - refer to
11
LOCK
Status
Indicator
Illuminates to indicate the operating
frequency is stabilized.
12
VSWR
Status
Indicator
Illuminates to indicate reflected power
exceeds 5.5 watts.
13
TEMP
Status Illuminates to indicate the RF amplifier heat-
sink temperature exceeds a preset limit.
TABLE 3-2. POWER/VSWR CONVERSION
Reflected Power in Watts
-------------------------------------
=
POWER RATIO
Forward Power in Watts VSWR
0.000 1.0:1
0.002 1.1:1
0.008 1.2:1
0.017 1.3:1
0.028 1.4:1
0.040 1.5:1
0.053
1.6:1
0.074 1.75:1
0.111 2.0:1
0.183
2.5:1
0.250 3.0:1
0.360 4.0:1