Specifications

1-4. INITIAL OPERATING PROCEDURE
Before starting the performance tests, the following procedure must be performed.
[Procedure]
1. Turn the
HP 4285A ON.
NOTE
Steps 2 through 4 must be performed only when the HP 4285A is
equipped with Option 002 Accessory Control Interface.
2. Press the CATALOG SYSTEM key and the 'SYSTEM CON FIG' softkey to
display the
SYSTEM CON FIG page.
3. Move the cursor to the
CON FIG field, using the CURSOR arrow keys.
4. Press the 'OFF' softkey to disable the Accessory Control
Interface.
5. Warm-up the HP 4285A for at least 30 minutes to allow its internal circuits to
stabilize.
1-5. SYSTEM RESET
By using SYSTEM RESET function the HP 4285A can be set up easily for the performance
tests.
SYSTEM RESET can be performed using the following procedure.
[Procedure]
1 . Press the
MEAS SETUP MENU key to display the MEAS SET UP page.
2. Move the cursor to the
SYS MENU field, using the CURSOR arrow keys.
3. Press the 'more 1/2' softkey to display the
'SYSTEM RESET' softkey.
4. Press the
'SYSTEM RESET' softkey.
5. Press the
'YES' softkey to perform a SYSTEM RESET.
1-4