Stereo Line Jacks
(Unbalanced) Dual function jacks. Factory supplied so that tip, ring, sleeve stereo signal applied to one jack can be looped through to other jack
loopthrough (see Internal switches).
LOOP THRU
1
PUSH | MONO XLR |
LOOP THRU 2
Mono XLR Connectors (Balanced) Loopthrough connec- tors accept both mic and line level signals. Volume adjusts with pull out triple±function Volume control (center detent is nominal volume).
LED Power Indicator
Lights when FP22 is turned on.
Stereo/Mono Headphone Mode Switch
Changes headphones from stereo to mono. Especially useful when monitoring monaural signal con- nected to stereo line jacks.
Stereo Line Pad 
Reduces gain on Stereo Line sig- nals by 30 dB. Especially useful with signal levels of +4 dBm or greater.
Mono XLR Mic/Line Switch Selects between microphone and line level signals coming into XLR connector (50 dB pad inserted be- fore mic preamp when switch is in Line position).
| STEREO LINE | Balance Control | |
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| (Outer ring of triple function Volume |
POWER | POWER/VOL | control.) Overall headphone balance | |
| BAL |
| control with center detent. |
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| PULL FOR |
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| MONO XLR VOL |
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STEREO |
| Triple Function Volume Control | |
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MODE |
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| Incorporates On/Off switch, overall |
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| Volume control (master volume), and | |
MONO |
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| Mono XLR Volume (on the pullout). | ||
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STEREO | 0 dB |
| Center±detented Mono XLR volume |
LINE | ±30dB |
| at nominal level. |
PAD |
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| 3.5 mm Stereo |
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| Headphone Connectors |
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| Mono or stereo program monitor. |
A |
| B |
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| phone Connectors |
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| Mono or stereo program monitor; us- |
| HEADPHONES | ing these jacks disables 3.5mm jacks. | |
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LINE |
| MIC | ||
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LEVEL |
| MONO XLR | ||
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Battery Compartment
Requires one 9 V alkaline battery.
12±24 Vdc
IN
± 
+
External Power Jack
Accepts external supply voltage from 12 to 24 Vdc (such as Shure PS20 or PS20E Power Supplies). Tip is positive, sleeve is negative.
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