TB 9-4931-495-24
(9) Change output attenuator (fixed) in 1 step (10 dB) meter range control in 10 dB
increments to -30 dBm. Power meter will indicate within +2.0 dB of reference established
in (8) above.
b. Adjustments
(1) Model 86210A
(a) Set POWER LEVEL control to +13 dBm and adjust A1R14 (fig. 7) for
+13 dBm 0.2 dB power output indication (R).
(b) Set POWER LEVEL control to 0 dBm and adjust A1R13 (fig. 7) for 0
dBm 0.1 dB power output indication (R).
(2) Model 86220A-H80
(a) Set POWER LEVEL control to +10 dBm and adjust A1R1 (fig. 7) for +10
dBm 0.1 dB power output indication (R).
(b) Set POWER LEVEL control to 0 dBm and adjust A1R13 (fig. 7) for 0
dBm 0.1 dB power output indication (R).
(3) No adjustments can be made for models 86230B-H80, 86241A-H80, 86242A-
H80, 86250B-H80, and 86260A-H80.
27. Final Procedure
a. Deenergize and disconnect all equipment.
b. Annotate and affix DA label/form in accordance with TB 750-25.
CALIBRATION PROCESS FOR RF PLUG-IN, MODELS 8621A AND 8621B WITH
RF PLUG-IN MODULE MODELS 86320A, 86330A, AND 86341B
28. Frequency Range
a. Performance Check
(1) Connect equipment as shown in figure 6, connection A.
(2) Position controls as listed in (a) through (k) below:
(a) BAND selector to BAND 1 (0.1 to 2 GHz).
(b) START MARKER pointer to 0.1 GHz.
(c) STOP MARKER pointer to 2.0 GHz.
(d) MODE switch to MANUAL.
(e) TRIGGER switch to INT.
(f) TIME-SECONDS switch to 0.1-0.01.
(g) 1 kHz SW WV switch (rear panel) to OFF.
