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2 utility: cid (circuit id), 3 utility: powermon – Comtech EF Data CPA User Manual

Page 74

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CPA C-Band Indoor Solid-State Power Amplifier

Revision 1

Front Panel Operation

MN/CPA-IN.IOM

5–18

5.3.3.2 UTILITY: CID (Circuit ID)

Edit Circuit ID:(◄ ►,▲ ▼)

24 CHARACTER TST MESSAGE

Only the bottom line is available (24 characters). To edit the Circuit ID string: First, use the

▲▼

arrow keys to set the cursor position to the bottom line. Next, use the

◄ ►

arrow keys to

select the character to be edited, and then use the

▲▼ arrow keys to change that character.

The following characters are available:

[Space] ( ) * + -, . / 0-9 and A-Z.

Compose the Circuit ID string, and press ENTER when done.

5.3.3.3 UTILITY: PowerMon

Forward Power Mon Offset

Reverse Power Mon Offset

This function allows you to calibrate (fine tune) the RF Power Monitor for a specific carrier

frequency. The RF Power Monitor is factory-calibrated at the CPA center frequency. You can

adjust (offset) the display level using this function.

Select Forward Power Mon Offset or Reverse Power Mon Offset using the

◄ ► arrow keys,

then, press ENTER.

UTILITY: PowerMon

Forward Power Mon Offset

Forward RF Power Monitor

Offset = +5.8 dBm

Use the

◄ ►

arrow keys to set the cursor position on the bottom line, and then edit the

numeric value using the

▲▼ arrow keys. The range is from -6.0 to +6.0 dBm, in 0.1 dBm

steps.

UTILITY: PowerMon

Reverse Power Mon Offset

Reverse RF Power Monitor

Offset = -5.8 dBm

Use the

◄ ►

arrow keys to set the cursor position on the bottom line, and then edit the

numeric value using the

▲▼ arrow keys. The range is from -6.0 to +6.0 dBm, in 0.1 dBm

steps.