Specifications

13. Set the LINE switch to STANDBY and then to ON. The HP 8568B
should power up normally, without any flags displayed on the
CRT.
14. Set the LINE switch to STANDBY and remove the power cable
from the rear of the RF section.
15. Install the controller cover,
16. Replace the RF section bottom cover and the two rear feet.
17. Place the HP 8568B top side up and reconnect the power cable to
the RF section.
18. Set the LINE switch to ON and allow a 2-hour warm-up.
19. Recalibrate the instrument with the following steps. (For a more
complete description of the calibration, refer to the HP 8568B
Operating and Programming Manual.)
a. Connect the front-panel CAL OUTPUT signal to the SIGNAL
INPUT 2.
b. Press [RECALL) 8, and then adjust the front-panel AMPTD CAL
adjust for a marker amplitude of -10.00 dBm.
c. Press cm] 9, and then adjust the front-panel FREQ ZERO
adjust for maximum signal amplitude.
d. Press @iiF] [FREQUENCY SPAN] w to load the error correction
data in the instrument’s memory.
General Information l-17