HP 5308A Operating And Service Manual page 25

1 (REAR)
Model 5308A
Operation
6,9 5 6
SEE WARNING ON PAGE 9H-3-11
2,7,10
10
4
1. Connect ac power to 5300B ac receptacle.
E
a.
Turn ac power on with 5300B SAMPLE RATE
control and adjust SAMPLE RATE for desired
display time.
Set SEP-CHK-COM B to SEP.
Two-Channel Totalizing
To totalize pulses input to Channel A between
two pulses input to Channel B, set FUNCTION
to TOT A, AA B. To totalize pulses input
to Channel A while Channel B is low, set
FUNCTION to TOT A, LT B.
NOTE
The position of the Channel B slope switch
determines the Channel B trigger level
polarity as described in paragraphs 9H-3-36
and 9H-3-37.
Set ATTENUATORS to X10; AC-DC switches
and slope switches as desired. Set LEVEL A
and LEVEL B to SET.
NOTE
Ensure that the 'SET' TRIG LEVELS switch
on the rear panel is in the .0V position when
the LEVEL control is in the SET position.
6. Connect Channel A input signal to CHAN A
connector and Channel B input signal to
CHAN B connector,
7. Press RESET. Display will accumulate the
number of counts that occur on Channel A per
switch settings of step 4. If trigger lights are
not illuminated, rotate each LEVEL control
until trigger light illuminates. If necessary, set
ATTENUATORS switches to X1.
Single-Channel Totalizing
8. To totalize on one channel, perform steps 1, 2,
3 and 5. Set FUNCTION switch to TOT A
AAR
9. Connect input signal to CHAN A connector.
10. Press RESET. Press OPEN/CLOSE switch to
initiate totalizing. Display will accumulate at
a rate dependent on input signal frequency.
When display has accumulated the desired
number of counts, press OPEN/CLOSE switch
to stop totalizing. If trigger lights are not illu-
minated, rotate LEVEL A control until trigger
light illuminates. If necessary, set ATTENUA-
TORS switch to XI.
Figure 9H-3-11. Making Totalizing Measurements
9H-3-15