B
BU
UTT
TTO
ON
NS
S A
AN
ND
D K
KN
NO
OB
BS
S
This section describes the primary function of the button
and knob controls. Other functions associated with these con
-
trols are detailed in later sections.
S
SY
YS
ST
TE
EM
M//
G
GR
RO
OU
UP
P//
C
CH
HA
ANN
NNE
EL
L
K
KN
NO
OB
B
Selects systems or groups/channels
(depending on programming). This is a 16 -
position rotary knob. See SYSTEM/
GROUP/CHANNEL SELECTION for de
-
tails.
P
PO
OW
WE
ER
R
O
ON
N--O
OF
FF
F//
V
VO
OL
LU
UM
ME
E
K
KN
NO
OB
B
Applies power to the radio and adjusts
the receiver’s volume. Rotating the con
-
trol clockwise out of detent applies
power to the radio. A single alert tone
sounds (if enabled through programming)
to indicate the radio is operational.
Rotating the control clockwise increases
the volume level. Minimum volume levels
may be programmed into the radio to pre
-
vent missed calls due to a low volume set
-
ting. While adjusting the volume the dis
-
play will momentarily indicate the volume
level (i.e.
V
VO
OL
L =
= 3
311
). The volume range is
from a minimum programmed level of zero
(displayed as
O
OF
FF
F
in the display) up to 31
which is the loudest level.
E
EM
ME
ER
RG
GE
EN
NC
CY
Y
B
BU
UTT
TTO
ON
N
Provides single button emergency chan
-
nel access. See the EDACS and conven
-
tional emergency sections for more de
-
tails.
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