HP 8901B

Instrument Changes Model 8901B
7-4. A1 LEDS, AlDS31-37 AND AlDS42-45.
@14A to 2914A)
Ifthe serial preh of your instrument falls within 2314A to 2914A and you must replace A2DS31-37
or AlDS42-45 you must also order a new spacer and light pipe listed under MP15 (2920A and above)
in the miscellaneous replaceable parts list.
7-4
rei’. 15JUN90