Rear Panel - Motorola R-2001D Operator's Manual

TABLE 2-1. CONTROLS, INDICATORS, AND CONNECTORS
ITEM
RF SECTION:
DESCRIPTION
FRONT PANEL (figure 2-1)
FUNCTION
RFIn/Out connector
RF Level Variable
control
RF Level Step
attenuator
Ext Wattmeter
DUPLEX GEN switch
Output connector
Antenna Port
Type N connector
Potentiometer
14-position ganged atten-
uator and switch
Connector
Two-position toggle switch
BNC connector
Fused BNC connector
PN #09-80378A51
RF input in monitor mode, RF output in generate mode.
Vernier control of RF output level. Pull for antenna port.
Push for RF In/Out port. Exceeding the Am Limit marking
in AM generate mode may result in distorted output.
Ten dB per step control of RF output level in generate
mode. Also serves as RF input level step attenuator in
monitor and spectrum analyzer modes.
Allows input from Motorola ST-1200 series inline watt-
meter elements for measurement and CRT display of for-
ward and reflected transmitted power.
Select either On or Off. Duplex output from DUPLEX port
is enabled with switch On.
Output connector for duplex generator output.
Connector for the whip antenna.
FUSE REPLACEMENT PROCEDURE:
Place a male BNC connector on the antenna port. Use a
pair of slip-joint pliers to grab onto the knurled portion of
the male BNC connector. Turn counterclockwise to loosen.
Unscrew the connector all the way, off the front panel. The
fuse is plugged into the female center pin. Use a needle-nose
pliers to remove the defective fuse and replace it with a 0.10
A mini-fuse, PN #65-80377A61.
FIGURE 2-2. REAR PANEL
2-9