Operation - Kenwood TM-231A Instruction Manual

4. OPERATION
4-1. CONTROL FUNCTIONS
@) POWER switch
Press to turn the transceiver ON or OFF.
@ Tuning control
This control is used to select the desired transmit-
ter/receiver frequency, MHz step, Memory Channel, Fre-
quency Step, Tone Frequency, Scan Direction, etc.
@) VOL control
This control is used to adjust the volume from the inter-
nal and external speaker (if used). Clockwise rotation will
increase the volume and counterclockwise rotation will
decrease the volume.
@) SQL (Squeich) control
This control is used to select the desired squelch
threshold level.
@® LOW/DIM key
LOW
This function is used to select the transmit output pow-
er level (Hi, MID, or LOW). Note the TM-531A/531E does
not have a MID position.
DIM
This function is used to select the intensity of the front
panel display illumination. It is used in conjunction with
the F key, i.e. press the F key and then the LOW/DIM
key to alternate between High and Low display inten-
sities.
Microphone connector
Attach the supplied microphone to this connector. The
pin out of the connector is described in the accompany-
ing illustration.
GND @ GND (Microphone audio)
@ MIC
(Microphone Audio)
RX Audio Output
@ DWN
@ up
@® 8 VDC (Max 150 mA)