2-5. PRELIMINARY OPERATING PROCEDURE. (CONT)
Scan and Video Presentation Checks
Scan and video presentation checks are made in conjunction with the tuneup procedure in order to ensure optimum
operation of the equipment. For right-of-runway coverage, the azimuth cursor will curve down and for left-of-runway
coverage, it will curve up. The elevation cursor is turned down in both configurations.
On master control-indicator, adjust IF GAIN AZ control (1) counterclockwise, as necessary, to maintain the
ground return signal as small as possible.
Refer to the table on pages 2-19 through 2-21 when performing step 33.
On master and slave pulse generators, place SCAN MODE (2) and RANGE MILES (3) switches to the positions
indicated in the SWITCH POSITIONS columns. The DISPLAYED DATA columns Indicate the type of scan (beta
or ppi) and the type of video (radar and/or IFF) that will be seen on the crt displays when switches are in the