The Rear Panel At A Glance - HP 53131A Operating Manual

WARNING:
1
I
N
P
U
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S
WARNING:
NOTE
Chapter 1 Getting Started

The Rear Panel at a Glance

The Rear Panel at a Glance
1
NO OPERATOR SERVICEABLE PARTS INSIDE, REFER SERVICING TO SERVICE TRAINED PERSONNEL.
AC LINE:
2
3
!
Ext Ref
10 MHz Out
Arm In
FOR CONTINUED FIRE PROTECTION, USE SPECIFIED ~ LINE FUSE.
4 5 6
1 Rear-panel input connectors
(optional)
2 Power module (Senses incoming
voltage and automatically
selects proper setup.)
3 Fan
4 External Arm input connector
5 External Reference Input connector
It is normal operation for the fan in the Counter to continue to run after
the Counter is placed in Standby mode. Power to the timebase is
continuous to maintain long term measurement reliability, and the fan
helps maintain timebase temperature stability.
Operating Guide
2
ISM 1-A
92
FOR LABORATORY USE BY
QUALIFIED PERSONNEL
FOUR USAGE EN LABORATOIRE
PAR PERSONNEL QUALIFIE
OPTIONS
001 MS Oven
010 HS Oven
HP-IB
Talk Only
To Configure:
Hold Recall during turn-on.
7
6 10 MHz Output connector
7 HP-IB (IEEE-488.1)
interface connector
8 Oscillator Adjust potentiometer
(This potentiometer is not present
for options 001, 010, and 012.)
9 RS-232 interface or Limit
Output connector
3
RS - 232
Osc Adjust
8 9
1-11