I Your First Contact - Icom IC-7400 Instruction Manual

3. Other convenient items
Headphones:
") mono jack for operation without
1
A 6.35(d) mm ( ⁄
4
using the internal or external speakers. Perfect for op-
eration without disturbing others in the room.
HEADPHONES
I Your first contact
Now you should have your IC-7400 installed in your
shack, and like a kid on his birthday, you are probably
excited to get on the air. We would like to take you
through a few basic operation steps to make your first
"On The Air" an enjoyable experience.
D D Getting started
1. Before powering up your radio, you may want to
make sure the following controls are set in the fol-
lowing positions:
• [AF] : Commonly referred to as the vol-
ume: fully counter clockwise.
• [NR] : The noise reduction control: fully
counter clockwise.
• [MIC GAIN] : The mic gain: fully counter clock-
wise.
• [RF/SQL] : The control for the RF Gain and
Squelch circuits: 12 o'clock.
• [CW PITCH] : The control for the CW pitch:
12 o'clock.
• [KEY SPEED] : Internal CW Keyer Speed: fully
counter clockwise.
• [NOTCH] : Control for the manual notch:
12 o'clock
QUICK REFERENCE GUIDE
External Speaker:
") mono jack for operation with an ex-
1
A 3.5(d) mm ( ⁄
8
ternal speaker. (Input impedance: 8 Ω/Max. input
power: 5 W)
EXTERNAL SPEAKER
SP-21 (optional)
2. Resetting the CPU: Although you have purchased
a brand new radio, some settings may be changed
from the factory defaults during the QC process. So
your radio can start from Factory Defaults resetting
the CPU is necessary.
[POWER] [F-INP] [M-CL]
IV