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PANEL DESCRIPTION
■ Microphone
q PTT SWITCH [PTT]
Push and hold to transmit; release to receive. (p. 8)
w CHANNEL UP/DOWN SWITCHES [
YY
]/[
ZZ
]
Push either switch to change the operating memory chan-
nel, set mode contents, etc. (p. 8)
e TRANSMIT POWER SWITCH [HI/LO]
➥Same as the [HI/LO] switch on the front panel.
➥When pushed at power ON, toggles the [Y]/[Z] and
[HI/LO] switch functions ON and OFF.
Speaker
Microphone
w
q
e
01 IC-M503-(1).qxd 01.12.17 5:00 PM Page 5 (1,1)