TB 9-6625-2124-35
(15) Press SWEEP TRIGGER SINGLE key.
(16) Connect power meter to RF OUTPUT and RECORDER OUT (rear of power
meter) to EXT/MTR ALC INPUT.
(17) Press ALC MODE MTR key and adjust EXT/MTR ALC CAL for a power
meter indication of -1.0 dBm.
(18) Press SWEEP TRIGGER SINGLE key and observe power meter indication.
Power meter will indicate -1.0 0.2 dBm during the period the SWEEP LIGHT is on.
NOTE
Disregard power meter fluctuations when TI changes bands.
b. Adjustments
NOTE
The exact value of 10 dB attenuator at 50 MHz and 2.2 GHz
must be known before performing this adjustment procedure.
(1) Disconnect power meter from RF OUTPUT.
(2) Press function keys and enter corresponding data on keyboard as listed in (a)
through (o) below:
(a)
INSTR PRESET key.
(b)
CW key, DATA ENTRY 50 MHz.
(c)
POWER LEVEL key, DATA ENTRY -5 dBm.
(d)
SAVE key, DATA ENTRY 1.
(e)
CW key, DATA ENTRY 2.2 GHz.
(f)
SAVE key, DATA ENTRY 2.
(g)
POWER LEVEL key, DATA. ENTRY 3 dBm.
(h)
SAVE key, DATA ENTRY 3.
(i)
CW key, DATA ENTRY 50 MHz.
(j)
SAVE key, DATA ENTRY 4.
(k)
POWER LEVEL key, DATA ENTRY 10 dBm.
(l)
SAVE key, DATA ENTRY 5.
(m)
CW key, DATA ENTRY 2.2 GHz.
(n)
SAVE key, DATA ENTRY 6.
(o)
RECALL key, DATA ENTRY 1.
(3) Connect power meter to RF OUTPUT. Record power meter indication.
(4) Press RECALL key and enter data 2 on keyboard. Adjust A4R1 (fig. 11) for
power meter indication of equal difference from -5 dBm as the value recorded in (3) above
but in the opposite direction (example: if (3) above is -4.9 dBm then A4R1 is adjusted for
-5.1 dBm) (R).
34
