12
FT-2800M O
PERATING
M
ANUAL
PTT
Switch
Press this switch to transmit, and release it to
receive.
Keypad
These 16 keys generate DTMF tones during
transmission.
In the receive mode, these 16 keys can be
used for direct frequency entry and/or direct
numeric recall of the Memory channels.
The [
A
], [
B
], [
C
], and [
D
] keys, on receive,
replicate the functions of the front panel keys
([
MHz
(
SET
)], [
REV
(
D/W
)], [
LOW
(
A/N
)],
and [
D/MR
(
MW
)]). See the previous discus-
sion.
[
P1
]/[
P2
]/[
P3
]/[
P4
] Buttons
These four keys are user programmable, al-
lowing quick access to features used often.
The default functions are described below.
[
P1
] button (
SQL OFF
/
T.CALL
)
In the USA version, pressing this button disables the noise and tone squelch systems. In
the EXP version, pressing this button activates T.CALL (1750 Hz) for repeater access.
[
P2
] button (
S SRCH
)
Press this button to activate the Smart Search feature.
[
P3
] button (
T SRCH
)
Press this button to activate the Tone Search feature.
[
P4
] button (
WX CH
)
Press this button to recall the “Weather” broadcast channel bank.
You can reprogram the [
P1
], [
P2
], [
P3
], and [
P4
] buttons for other functions, if de-
sired. See page 45 for details.
LAMP
Switch
This switch illuminates the Microphone’s keypad.
LOCK
Switch
This switch locks out the Microphone’s buttons (except for the keypad and
PTT
switch).
[
UP
]/[
DWN
] Button
Press (or hold in) either of these buttons to tune (or scan up or down) the operating
frequency or through the memory channels. In many ways, these buttons emulate the
function of the (rotary)
DIAL
knob.
M
ICROPHONE
S
WITCHES
DTMF MICROPHONE
MH-48
