HP 5355A - Page 26

Model 5355A
Operation and Programming
PULSE
•UNITS
When key is pressed and illuminated, a CW signal
input frequency is automatically acquired, mea¬
sured and displayed. The CW measurement mode
is initiated whenever power is applied to the
plug-in.
0 OFF-SET
f r e o key function is active
LOCAL
(illuminated) the DEC PI (blue-label) function is
active. With at least 3 digits displayed, the DEC FT
key shifts the decimal point on the display to the
right one place for each of the first two presses of
the DC PT key, then two places to the left on the
third press. This sequence repeats for successive
presses of the key.
When key is pressed and illuminated, a pulsed RE
signal input frequency is automatically acquired,
measured and displayed.
NOTE
To operate in PULSE mode, the GATE
OUT connector on the rear panel of the
5355A must be connected to the GATE
CONTROL INPUT connector on the rear
pane! of the 5345A.
When the [ • j] key function is active
(illuminated) the UNITS (blue-label) function is
active. The UNITS key shifts the displayed reso¬
lution annunciator from GHz to MHz, kHz, Hz,
mHz, and /uHz, respectively, with each successive
press of the UNITS key.
NOTE
If both the
keys are pressed
simultaneously (SET LAST MEAS) the last
measurement will be displayed on the
5345A if the 5355A is in the OFFSET FREQ
or MAN FREQ DATA ENTRY mode,(See
Table 3-5.)
:';ar$e
When key is pressed and illuminated, the 0.4 to
1.6 GHz is connected. Otherwise, the RF HEAD
INPUT is connected, if the 5356A/B/C Frequency
Converter Head is not connected to the 5355A,the
0.4 to 1.6 GHz input ^automatically selected when
power is applied.
When the f®j| ™ key function is active
(illuminated) the CHANGE SIGN key function is
active. Each time the key is pressed, the minus (-)
sign changes (on or off) in the display.
Figure 3-1. Front Panel Controls , Connectors and Indicators (Continued)
3-4