ADI Systems AT-201 - Manual (Page 9)

® Lock Button
This is to lock the battery case. Push up this button to
remove the battery case.
@ External Power Connector: DC IN
This is for Power Cable for an Automobile (PCA145).
When PCA145 is connected, power is not supplied from
the battery
NOTE:
Connect the PCA145 only to
this connector, as its plug is
the peculiar one.
A pin at the center is negative
CAUTION:
Turn the power switch off before connecting the cables.
Nominal input voltage for this H/H Transceiver is from 5V to
16V DC. Do not apply voltage beyond the range.
® Front Panel
A: Squelch Off Button: SQL
This button opens the radio squelch. While this button is
held depressed, the squelch operation is turned off and
the sound is heard from the speaker regardless of the
position of the squelch control.
B: Call Button: CALL
Press this button to switch the operating frequency and call
frequency.
C: Lamp Button: LAMP
Press the LAMP key to illuminate the LCD and keypad.
Pressing this switch only will activate the lamp for 5
seconds. Pressing Function and LAMP at the same time,
turns the lamp on full time.
D: Speaker
This is a built-in speaker, which is disabled when the
external speaker is connected.
E: Microphone
This is a built-in condenser micrpohone.
F: Key buttons for various operations