0and (2) up/dwn (up/down) switches, D ptt (push to talk) switch, 0 16-tone dtmf keypad (u.s.a. version only) – Kenwood TM-521E User Manual
Page 11: 2. reception, 2-1. initial control settings, Note
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TM-221A/321A/421A/521A U.S.A. version only
0and (2) UP/DWN (Up/Down) switches
These switches are used to step the VFO frequency
or Memory Channel up and down. The frequency will
change continuously if the switches are pressed and
held.
(D PTT (Push To Talk) switch
The
transceiver
will
be
placed
into
transmit
whenever this switch is pressed. Operations such as
scanning will be cleared when this switch is pressed.
0
16-Tone DTMF Keypad (U.S.A. version only)
Used to activate the DTMF encoder. See Section 4-6
REPEATER for additional information on this item.
4-2. RECEPTION
4-2-1. Initial Control Settings
1. Connect the power supply and antenna and then
set the witches and controls as follows:
POWER switch : OFF
POWER switch of the DC power supply
(Fixed Station)
VOL control
SQL control
OFF
Fully counterclockwise
Fully counterclockwise
2.
Turn on the DC power supply and then press the
POWER switch on the radio; the display will in
dicate a frequency.
3.
Adjust the VOL control clockwise until a signal
or noise is heard.
4.
Rotate the TUNING control and select an open
channel. Then turn the SQL control clockwise
until the noise just disappears.
5.
Select the desired frequency using the TUNING
control or UP/DWN switches on the microphone.
(See Section 4-2-2 Frequency and Memory
Channel Selection.)
If a signal is received, the BUSY indicator will
turn on and the S-meter will deflect.
6.
To turn off the transceiver, turn off the
transceiver's POWER switch before you turn off
the power supply, or if in a vehicle, before you
stop the engine.
Note:-----------------------------------------------------------------------
The TM-221A front panel is used for illustration
purposes.
Note the initial factory delivered settings for Fre
quency, Tone Frequency, Memory Channel and
Frequency Step are shown in the accompanying
table.
TM-221A
TM-221ES
TM-321A
TM-421A
TM-421ES
TM-521A
TM-521E
VFO Frequency
144.000 MHz
220.000 MHz
440.000 MHz
(U.S.A version)
430.000 MHz
1240.000 MHz
430.000 MHz
Frequency Step
5 kHz
12.5 kHz
20 kHz
25 kHz
Memory Channel
Memory Channel 0
Memory Channel
144.000 MHz
220.000 MHz
440.000 MHz
(U.S.A. version)
430.000 MHz
1240.000 MHz
430.000 MHz
Tone Frequency
88.5 Hz
88.5 Hz
88.5 Hz
n