13
3
8
MIC
LOCK
ELECTRET CONDENSER MIC
MADE IN JAPAN
DWN UP
VFO MR PFCALL
3
5
4
21
6
7
4
12
37
6
5
6
8
MICROPHONE
qq
qq
qUP button
ww
ww
wDWN button
Raises or lowers the operating frequency, the
memory channel number, the menu number, etc.
Holding either button down causes the action to be
repeated. Also, switches between values for
functions with multiple choices.
ee
ee
ePTT (Push-to-Talk) switch
Press and hold to transmit, then release to receive.
rr
rr
rLOCK switch
Locks all microphone keys except [PTT] and (if
equipped) the DTMF keypad.
tt
tt
tCALL key
yy
yy
yVFO key
uu
uu
uMR key
Identical to the front panel CALL, VFO and MR
buttons. These keys can be reprogrammed, if
desired {page 62}.
ii
ii
iPF key
Depending on which function you select in Menu 1–8–1
(PF1), the function of this key differs. Refer to
“PROGRAMMABLE FUNCTION (PF) KEYS” {page 62}.
oo
oo
oDTMF keypad (MC-53DM only)
The 16-key keypad is used for DTMF functions
{page 59}, or to directly enter an operating frequency
{page 63}, a memory channel number {page 37}, a
tone frequency {page 30}, or a CTCSS frequency
{page 56}. The keypad is also available to program a
memory channel name {pages 38 and 60}, Power-ON
message {page 71}, or other character strings.
MC-53DM MC-45