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Panasonic KX-TC1503B Service Manual page 24

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Fig. Using TC1703 Handset-jig.
* KX-TC1703 is used as the jig.
7.7.2.2. Base Unit - jig (BS JIG) for Handset
The base unit jig uses two modes: NORMAL POWER mode and TEST POWER mode.
(1) NORMAL POWER mode. This test simulates the handset is at normal/close distance. The
base unit is in NORMAL POWER mode right after the AC adapter has been inserted.
(2) TEST LOW (POWER) mode. Place the portable unit on the base unit while pushing
and
key at the same time within 5 seconds after Power supply the
portable unit. Refer to fixation CH table, figure 1 for the
key. This test simulates the
handset is at very large distance from the base unit and the TX signal from base to handset is
very small.
Procedure: First, place handset under test to charge (exchange security code), then remove
handset from base after you hear a beep. Press TALK button on handset and if it links with the
base, then this handset sensitivity is OK.
* BS JIG becomes [NORMAL POWER] mode immediately after the power supply turning on.

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