Operating Instructions; Power On And Set Up; Measurements - HP 4935A Operating And Service Manual

Operation
3-7. OPERATING

POWER ON and SET UP

A.C. POWER
1 .
Press POWER button ON. The 4935A will automatically do a self check of the transmitter, the
2 .
filters, and the LEDs.
BATTERY POWER (Optional)
1 . Press POWER button ON with no power cord connected. When switching between battery and
A C power cycle the POWER button from STBY to ON again.
NOTE: Proper care in charging and discharging NiCad batteries can dramatically improve their
lives. Consult Section I of this manual for recommended procedures.
SET UP
Connect circuit to 310 jacks. Do not connect more than BOOVDC or 10 Vrms at 60 Hz to these
jacks.
1.
2 .
Impedance
1.
Press the TRMT impedance button 12 that matches the impedance of the circuit on the TRMT
side.
Press the RCV impedance button $1 that matches the impedance of the circuit on the RCV side. If
2 .
the test set is to be used in the bridged mode press the BRG button also. This means that in the
bridged mode two RCV Setup buttons will be pressed in - the correct circuit impedance and the
BRG button. Note: Do not leave the BRG button IN while the instrument is actually terminating
the circuit as it will cause a 6 dB error.
INSTRUCTIONS
Always connect power cord to a properly grounded 3-wire power outlet.
For operator protection during battery operation, connect the chassis
terminal on the rear panel to earth ground.
Figure 3-2. Measurements
Model 4935A