Kenwood TM-401A Instruction Manual page 5

~
-_~
-_
(©) MHz/M3 (1 MHz up) key
M3
'd) M/M4 (memory input)
key
Cm
4
'e&) AL/MBS (alert) key
re v5 |
Eas]
f) A/B (VFO AJB selection,
scan stop) key
A/B
CI
© MIC connector (8 pin)
@ COM (common channel) key
For users other than Europe and England.
COM
E4
TONE switch (For British version)
TONE
When depressed, the displayed frequency shifts up 1 MHz. During memory
recall operation, depressing this key recalls memory CH3.
Used to store the desired frequency in memory channel (and in COM channel:
European and British versions excluded).
For memory input, refer to page 15.
During memory recall operation, depressing this key recalls memory CH4.
In memory CH4, transmit and receive frequencies are stored independently for
odd split operation.
When depressed, the ALERT indicator lights to show alert operation is in pro-
gress.
Depressing this key again releases this operation. For more details, refer to
page 17.
For more details, refer to page 15.
As shown in the table, this key provides three types of operation.
Mode A/B key functions
VFO Each time the key is depressed, VFO A and B are selected
alternately.
MR When depressed, VFO before memory recalled is restored.
SCAN When depressed, scan is released.
Microphone audio input. Frequency UP/DWN control and PTT lines are includ-
ed. Pin assignments of the MIC connector are shown below.
@©+8V
(10 mA Load)
@ STEven Note: Do not apply voltage to
omic pins@, @, and @.
® GND
The pin
should not be
shorted nor applied any
FRONT VIEW voltage.
When the key is depressed, the common channel can be recalled any time.
This channel can be changed to your desired frequency. For common channel
replacement, refer to page 15. To release common channel operation,
depress this key. No other key can release the operation.
When the optional TU-3 tone unit is installed, the 1st tone frequency is emitted
when operating the COM channel.
TONE switch (For European version) When this switch is pressed, the repeater control tone signal (1,750 Hz) cir-
TONE
cuit is activated and the unit is set in the.transmit mode.