User manual YAESU VX-170

[. . . ] VHF FM TRANSCEIVER VX-170 OPERATING MANUAL VERTEX STANDARD CO. , LTD. 4-8-8 Nakameguro, Meguro-Ku, Tokyo 153-8644, Japan VERTEX STANDARD US Headquarters 10900 Walker Street, Cypress, CA 90630, U. S. A. YAESU EUROPE B. V. P. O. Box 75525, 1118 ZN Schiphol, The Netherlands YAESU UK LTD. Unit 12, Sun Valley Business Park, Winnall Close Winchester, Hampshire, SO23 0LB, U. K. VERTEX STANDARD HK LTD. Unit 5, 20/F. , Seaview Centre, 139-141 Hoi Bun Road, Kwun Tong, Kowloon, Hong Kong Contents General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Accessories & Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Controls & Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] Store the frequency you wish to be the "Priority" Channel into memory channel "1. " 2. Now, set the radio for operation on another memory channel. Press the [F] key, then press the [VFO(PRI)] key to activate the Memory Priority mode. The display will remain on the current memory channel frequency, but every five seconds the radio will check the Priority Channel (memory channel "1") for activity. Press [F] [VFO(PRI)] again to disable the Memory Priority mode. When the Memory Bank feature is activated, the VX-170 will check the lowest numbered memory channel in the current Memory Bank as the Priority Channel. HOME Channel Priority 1. Recall the memory channel you wish to use as the "Priority" frequency. Now set the radio for operation on the HOME channel by pressing the [F] key followed by [REV(HOME)]. Press the [F] key, then press the [VFO(PRI)] key to activate the HOME Priority mode. The display will remain on the HOME channel frequency, but every five seconds the radio will check the Priority Channel (memory channel) for activity. Press [F] [VFO(PRI)] again to disable the HOME Priority mode. 42 VX-170 OPERATING MANUAL SCANNING "PRIORITY CHANNEL" SCANNING (DUAL WATCH) WX Channel Priority 1. Recall the memory channel you wish to use as the "Priority" frequency. Now, set the radio for operation on a WX channel by pressing and holding in the [1(SQ TYP)] key for one second. Press the [F] key, then press the [VFO(PRI)] key to activate the WX Priority mode. The display will remain on the WX channel frequency, but every five seconds the radio will check the Priority Channel (memory channel) for activity. Press [F] [VFO(PRI)] again to disable the WX Priority mode. VFO-VFO Dual Watch 1. Press the [VFO(PRI)] key to switch the VFO mode, if needed. Press the [F] key, then press and hold in the [VFO(PRI)] key for one second. The VX-170 will now periodically change from VFO-A frequency to the VFO-B frequency, checking for activity on each VFO for 0. 2 second interval. Press the [VFO(PRI)] key to disable the VFO-VFO Dual Watch. Priority Revert Mode During Priority channel operation (Dual Watch), a special feature is available which will allow you to move to the Priority channel instantly, without waiting for activity to appear on the Priority channel. When this feature is enabled, and Priority monitoring is engaged, just press the PTT switch; operation will instantly revert to the Priority channel. To enable the Priority Revert operation: 1. [. . . ] ON Default: SAV. OFF VX-170 OPERATING MANUAL 79 SET (MENU) MODE Set Mode Item 50 [VFO. SPL] Function: Enables or disables "VFO Split" operation. ON Default: VSP. OFF Set Mode Item 51 [WID. NAR] Function: Select Wide (±5 kHz) or Narrow (±2. 5 kHz) TX Deviation. Available Values: WIDE/NARROW Default: WIDE Note: If "Narrow" is selected, the receiver audio level is increased slightly to compensate for the reduced deviation. The receiver IF filter bandwidth is not changed via this setting. [. . . ]