Icom ID-51A Service Manual - Page 31
Bc Band], 1.010 Mhz, 87.5 Mhz, Fm Mode, Squelch
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5-3 TRANSMIT ADJUSTMENT (Continued) 5-4 RECEIVE ADJUSTMENTS (Continued) 1) Select an adjustment item (band) using /. 2) Set the SSG as specified (frequency, deviation and output level), and then push to automatically adjust. ADJUSTMENT ADJUSTMENT ITEM OPERATION SQUELCH 1 1) Set the power supply voltage to 7.4 V. - 2) Connect an SSG to the antenna connector and set as; Modulation : 1 kHz [BC BAND] -1.010 MHz- [ASQ] 2 • Set the SSG as; Frequency : (Displayed on the function display) Level : -3 dBµ (-110 dBm)† Deviation : 30% (AM) -87.5 MHz- [WSQ] 3 • Set the SSG as; Frequency : (Displayed on the function display) Level : -3 dBµ (-110 dBm)† Deviation : 52.5 kHz [A BAND] -VHFFM mode FM-N mode [VSQ] 1 • Set the SSG as; Frequency : (Displayed on the function display) Level : OFF† 2 -UHFFM mode FM-N mode 3 [USQ] 4 [AIR BAND] [ASQ] 1 1) Set the power supply voltage to 7.4 V. 2) Connect an SSG to the antenna connector and set as; Frequency : (Displayed on the function display) Level : -26 dBµ (-133 dBm)† Modulation : 1 kHz Deviation : 30% (AM) [B BAND] -VHF- -UHF- [VSQ] [USQ] 2 • Set the SSG as; Frequency : (Displayed on the function display) 3 Level : -25 dBµ (-132 dBm)† Deviation : 3.5 kHz †; This output level of a standard signal generator (SSG) is indicated as SSG's open circuit. VALUE - Push . (Automatic adjustment) 5 - 13