Wavetek 3SR Operation Manual page 14

PP-220-440 Tunable Precision Preselector (220 to 440 MHz)
PP-440-880 Tunable Precision Preselector (440 to 880 MHz)
7201 Tunable Precision Preselector (31 to 62 MHz)
7202 Tunable Precision Preselector (62 to 125 MHz)
7203 Tunable Precision Preselector (125 to 250 MHz)
7204 Tunable Precision Preselector (250 to 500 MHz)
(1)
Specification Change - The transmitter output is being changed
from +10 to +40 dBmV to +20 to +50 dBmV. To determine which
transmitter output range is available on your unit, access the Status
screen by pressing the FCN key followed by the status second
function key. If "Enhanced Output" is displayed in the options box,
the transmitter output range is +20 to +50 dBmV.
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