[ICOM] Testing CI-V port

[U Sidarau]

You may put a voltmeter across the CI-V port, then turn the rig on and then
rotate the tuning knob. If the voltage changes between 5V and a lower level
during rotation, then your rig is OK. You may also repeat the procedure
toggling the TRANSCEIVE option on/off. An analog voltmeter is better than
modern digital multimeters which are pretty slow in response.

73,

Vlad VE3IAE

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-----Original Message-----
From: Icom [mailto:icom-bounces at mailman.qth.net] On Behalf Of Joe Stepansky
Sent: Monday, July 4, 2016 11:11 AM
To: 'ICOM Reflector'
Subject: [ICOM] Testing CI-V port

Noticed at Field Day that my 756 Pro2 wasn't communicating with the computer
for frequency info. I resolved when I got home to make sure my 756 Pro3
(different rig) was working fine, then substitute the Pro2 and modify
software settings to make sure something was really wrong.

 

Imagine my surprise when the Pro3 was exhibiting the same behavior. No
frequency info between rig and software. I substituted a second Rigblaster
with the same result.

 

Before I send both rigs off for repair (who knows what may have happened,
but the Pro2 hasn't even been connected to an antenna), is there a good way
to test the CI-V port?

 

73, Joe KQ3F

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