Agilent Technologies 53181A - 1 Getting Started the Front Panel at a Glance

Chapter 1 Getting Started
The Front Panel at a Glance
1-2 Operating Guide
1
The Front Panel at a Glance
NOTE 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.
1 Measurement function menu keys
2 Limits menu keys
3 Math menu keys
4 Sign (+ or −) selection toggle key
5 Data Entry/Select (or arrow) keys
6 Enter numeric data (terminate) key. Also
tranverses a menu and exits at the end of a
menu.
7 Channel 2 optional RF input
8 Utility menu key (Hold during power-up to access
Utility functions.)
9 Recall, Save and Print menu keys
10 Gate and External Arm menu key
11 Measurement control keys
12 Display Digits keys
13 Channel 1 Trigger/Sensitivity menu key and input
conditioning keys
Recall Utility Menu:
Hold at power up
Save &
Print
Run
LocalUtility
Other
Meas
Limit
Modes
Stats
Freq
Ch 2
Gate &
ExtArm
Uppr &
Lower
Scale &
Offset
Stop/
Single
MEASURE LIMITS MATH DISPLAY CHANNEL 1
CHANNEL 2
More Digits
Trigger
Sensitivity
X10
Attenuate
100kHz
Filter
Damage Lvl:
5V rms MAX.50Ω
!
Damage Lvl:
5V rms MAX.50Ω
!
100 MHz to MAX
Enter
53181A 3 GHz
FREQUENCY COUNTER
+
/
–
Freq
Ch 1
POWER
SRQ
Remote
DC
AC
50Ω
1M Ω
Fewer Digits
ON
STBY
Error (Flashing)
0.1 Hz − 225 MHz
23
4
5
67
1
12
13
9
Period Freq Ch 1 Ch 2 ExtRef
MHz
µs
Gate
Limit
11
8
10