530B User Manual Publication No. 980974 Rev. B
Calibration Procedure 4-2 Astronics Test Systems
b. FS RANGE switch to 10 VRMS
c. METER INPUT switch to NB
d. MANUAL-AUTO (Limit) switch to MANUAL
e. BW HZ thumb Switch to 010.
5. Ensure the following is set on the 530B main circuit board:
a. S2 to WB
b. S3 to LIN
c. S4 to LIN
d. S5 to OFF
e. S6 to SE
Figure 4-1, Adjustment Resistor Locations
DC of Frequency Adjustments (Linear)
1. Connect the generator to the REF INPUT jack, Pins 17 and 18 of P1.
2. Set the generator for a frequency of 10.000 ±10Hz and set for a level of
approximately 1 V.
3. Connect the DC voltmeter to the LIN DC of FREQ OUTPUT jack, Pin 8 of P1.
4. Set R1 (TACH FS ADJ) for 10.00 ±.05 V indication on the DC voltmeter.
5. Set the function generator for a frequency of 10 ±10 Hz.
W15 Board
C2