HEWLETT PACKARD (HP) 130BR
Instrukcja Serwisowa

Sect. I1 Page 4

Model 130B

H O R I Z O N T A L B A L A N C E ADJUSTMENT

RO

JUMPER

After warm-up:
1. Short together the horizontal INPUT terminals.

5. Set HORIZ. SENSITIVITY to VOLT/CM.

1 MILLI-

2. Set AC-DC switch to DC. 3. Set HORIZ. SENSITIVITY to CAL. VERNIER to CAL.
Turn

6 . Return the spot to the major vertical axis with the coarse (screwdriver) HORIZ. DC BAL. control or with the fine (knob) control if the unbalance is slight.

7. Repeat steps 2, 3 4, and 5 if necessary.
NOTE: A separate adjustment (Bal. Adj. on the etched board) is provided to balance the VERNIER.

4. Adjust the HORIZ. POS. control to place the

left edge of the calibrating signal trace on the major vertical axis.

Figure 2-3