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Softkeys:
Display:
Selecting menu-dependent
• Display of menus
functions
• Display of menu-dependent softkey
functions
LED on:
ON
Control unit is on
CU
Control unit ok
G
Squelch guard receiver active
Keys:
GO
ON/OFF
Radio ok
• ON: switching radio ON
• OFF: switching only control unit off
MENUHOME
Switching to start menu HOME
R&S M3SR Series 4100
Numerical keypad:
Input of
• Numerical values
• Decimal point
Key+/-
•Incrementing or decrementing selection
Tuning knob:
• Tuning values
• Selecting menus
Keys:
Loudspeaker/headphone
ENT
volume control:
• Confirming entries
Low volume
• Initiating processes
Control turned fully counter-clockwise
ESC CLR
Full volume
• Deleting entries
Control turned fully clockwise
• Aborting processes
Operating Manual 6175.4760.02 – 01
Figure 9.4 Control and Display Elements
LED on:
BATT
Battery operation
AC/DC
AC/DCoperation
INT EXT key:
Keys:
Selecting internal/
ON OFF
external loudspeaker
Switching transceiver
(togglefunction)
on or off (toggle function)
ERASE
Press erase key for 1 s to
clear all settings except
LED on:
the default setting on
TX
preset page 0 (fixed fre-
Radio is transmitting
quencyoperation)
GO
Radio ok
RX
Squelch receiver active
ICN-4D-E-231000-R-D0894-00096-A-02-1
Drawings
9.8
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