Motorola R-2001A Service Manual page 33

Item
DISPLAY
select switches
FUNCTION
select switches
Code Synth
Mode select
switches
Code Synth Lvl
control
Ext Level control
Mic connector
Ext Mod In
connector
1 kHz Level control
Table 4-1. Controls, Indicators, and Connectors (Cont)
Description
Two-pushbutton
switches
Two-pushbutton
switches
Two-pushbutton
switches
Potentiometer
Potentiometer/switch
4-pin connector
BNC connector
Potentiometer/switch
e. A/B indicator
Indicates Tone A/Tone B signaling sequence
will be output. See Tone Memory Table
example, figure 4-9.
f. Tone Remote indicator
Indicates access sequence for Motorola
Repeater will be output.
Tone A and B frequencies are entered from the
keyboard on the Tone Memory Display.
Selects the function to be displayed by the
equipment, as indicated by the DISPLAY LEDs,
a. ^ - moves the selection up one step at a
time
b. V - moves the selection down one step at
a time
Selects the type or mode of signal the equip-
ment will generate or monitor as indicated by
the FUNCTION LEDs. Operation is the same as
for the DISPLAY select switches.
Selects the Code Synthesizer output mode as
indicated by the CODE SYNTH MODE LEDs.
Operation is the same as for the DISPLAY
select switches.
Controls the level of Code Synthesizer for
modulation or MOD Output.
Controls modulation level of external input
(microphone and other external generators).
Switch at full counterclockwise position disables
external modulation inputs.
Microphone input. Provides microphone bias
and PUSH TO TALK (GENERATE) connection
to equipment.
External modulation signal input.
Internal 1 kHz tone modulation level control.
Switch at full counterclockwise position disables
1 kHz modulation tone.
4-8
Function